Biography
Dr. Shaheen specializes in the gastrointestinal malignancies and she has expertise in treating neuroendocrine tumors (NETs). Following her fellowship in Hematology and Oncology, Dr Shaheen completed an advanced fellowship in Neuroendocrine tumors from Stanford University. The NET advanced fellowship is first of its kind in United State started under the leadership of Dr Pamela Kunz who is the founding Director of the Stanford Neuroendocrine Tumor Program established in 2015. After completing her advanced fellowship, Dr Shaheen joined Stanford Oncology division as Clinical Assistant Professor. Dr Shaheen is involved in further developing the neuroendocrine oncology program at Stanford which serves as a centre of excellence in the treatment of neuroendocrine tumors. Dr Shaheen is actively involved in clinical research and clinical trials. Dr Shaheen is also involved in taking care of patients admitted to the oncology service as well as resident and fellow teaching.
View Full Biography
Professional Summary
Education & Certifications
- Fellowship: Stanford Hospital and Clinics Neuro-Oncology Fellowship CA
- Board Certification: American Board of Internal Medicine, Medical Oncology (2018)
- Fellowship: Loma Linda University Hematology and Medical Oncology Fellowship (2018) CA
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- Residency: St Joseph Hospital Internal Medicine Residency (2010) IL
- Medical Education: MGM Medical College (2004) India
- Fellowship, Stanford University, Neuroendocrine Tumor Fellowship (2019)
- Fellowship, Loma Linda University, Hematology and Oncology Fellowship (2018)
- Residency, Saint Joseph University of Illinois at Chicago, Internal Medicine (2010)
- Internship, Government Medical College, Kashmir, Internship (2003)
- Medical Education, MGM Medical College, India, Bachelor of Medicine and Surgery (2002)
- Board Certification, American Board of Internal Medicine, Medical Oncology (2018)
- Board Certification, American Board of Internal Medicine, Internal Medicine (2010)
Publications
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Concomitant KRAS and BRAF mutations in colorectal cancer
Midthun, L., Shaheen, S., Deisch, J., Senthil, M., Tsai, J., & Hsueh, C.-T. (2019). Concomitant KRAS and BRAF mutations in colorectal cancer. JOURNAL OF GASTROINTESTINAL ONCOLOGY, 10(3), 577–81. -
Targeted and novel therapy in advanced gastric cancer
Selim, J. H., Shaheen, S., Sheu, W.-C., & Hsueh, C.-T. (2019). Targeted and novel therapy in advanced gastric cancer. EXPERIMENTAL HEMATOLOGY & ONCOLOGY, 8(1), 25. -
Conservative management of nivolumab-induced pericardial effusion: a case report and review of literature.
Shaheen, S., Mirshahidi, H., Nagaraj, G., & Hsueh, C.-T. T. (2018). Conservative management of nivolumab-induced pericardial effusion: a case report and review of literature. Experimental Hematology & Oncology, 7, 11. -
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Characterization of disease progression in ovarian cancer by utilizing 'chemograms' of ovarian cancer stem cells.
Guddati, A. K., & Shaheen, S. (2013). Characterization of disease progression in ovarian cancer by utilizing 'chemograms' of ovarian cancer stem cells. Journal of Chemotherapy (Florence, Italy), 25(3), 184–91. -
Gastrointestinal stromal tumor: a rare abdominal tumor.
Shaheen, S., & Guddati, A. K. (2013). Gastrointestinal stromal tumor: a rare abdominal tumor. Case Reports in Oncology, 6(1), 148–53. -
Uterine leiomyosarcoma manifesting as a tricuspid valve mass.
Marak, C. P., Ponea, A. M., Alappan, N., Shaheen, S., & Guddati, A. K. (2013). Uterine leiomyosarcoma manifesting as a tricuspid valve mass. Case Reports in Oncology, 6(1), 119–26. -
Extracavitary manifestation of primary effusion lymphoma as a right atrial mass.
Marak, C. P., Ponea, A. M., Shim, C., Shaheen, S., & Guddati, A. K. (2013). Extracavitary manifestation of primary effusion lymphoma as a right atrial mass. Case Reports in Oncology, 6(1), 114–8. -
Cutaneous metastasis of uterine adenocarcinoma: a case report and review of the literature.
Selim, A. A., Shaheen, S., Lockshin, N., & Khachemoune, A. (2009). Cutaneous metastasis of uterine adenocarcinoma: a case report and review of the literature. Cutis, 84(1), 33–8. -
Melanotic neuroectodermal tumor of infancy: review of literature and case report.
Selim, H., Shaheen, S., Barakat, K., & Selim, A. A. (2008). Melanotic neuroectodermal tumor of infancy: review of literature and case report. Journal of Pediatric Surgery, 43(6), E25–9. -
Secondary mucosa-associated lymphoid tissue (MALT) lymphoma of the colon.
Shaheen, S., & Guddati, A. K. (2013). Secondary mucosa-associated lymphoid tissue (MALT) lymphoma of the colon. Medical Oncology (Northwood, London, England), 30(2), 502. -
Patient Selection and Toxicities of PRRT for Metastatic Neuroendocrine Tumors and Research Opportunities.
Shaheen, S., Moradi, F., Gamino, G., & Kunz, P. L. (2020). Patient Selection and Toxicities of PRRT for Metastatic Neuroendocrine Tumors and Research Opportunities. Current Treatment Options in Oncology, 21(4), 25. -
Prevalence of Bone Metastases in Neuroendocrine Neoplasms by 68Ga DOTATATE PET Scan
Shaheen, S., Gardner, R., Sundaram, V., Hornbacker, K., Moradi, F., Wu, J., & Kunz, P. (2020). Prevalence of Bone Metastases in Neuroendocrine Neoplasms by 68Ga DOTATATE PET Scan. PANCREAS. LIPPINCOTT WILLIAMS & WILKINS. -
Neuroendocrine and Adrenal Tumors, Version 2.2021, NCCN Clinical Practice Guidelines in Oncology.
Shah, M. H., Goldner, W. S., Benson, A. B., Bergsland, E., Blaszkowsky, L. S., Brock, P., … Hochstetler, C. (2021). Neuroendocrine and Adrenal Tumors, Version 2.2021, NCCN Clinical Practice Guidelines in Oncology. Journal of the National Comprehensive Cancer Network : JNCCN, 19(7), 839–868. -
Evaluation of Liver and Renal Toxicity in Peptide Receptor Radionuclide Therapy for Somatostatin Receptor Expressing Tumors: A 2-Year Follow-Up
Duan, H., Ferri, V., Fisher, G. A., Shaheen, S., Davidzon, G. A., Iagaru, A., & Aparici, C. M. (2022). Evaluation of Liver and Renal Toxicity in Peptide Receptor Radionuclide Therapy for Somatostatin Receptor Expressing Tumors: A 2-Year Follow-Up. ONCOLOGIST. -
Phase II trial of organ preservation program using short-course radiation and folfoxiri for rectal cancer (SHORT-FOX)
Pollom, E. L., Shelton, A., Fisher, G. A., Bien, J., King, D., Johnson, T. P., … Chang, D. T. (2022). Phase II trial of organ preservation program using short-course radiation and folfoxiri for rectal cancer (SHORT-FOX). JOURNAL OF CLINICAL ONCOLOGY. LIPPINCOTT WILLIAMS & WILKINS. -
Evaluation of Liver and Renal Toxicity in Peptide Receptor Radionuclide Therapy for Somatostatin Receptor Expressing Tumors: A 2-Year Follow-Up.
Duan, H., Ferri, V., Fisher, G. A., Shaheen, S., Davidzon, G. A., Iagaru, A., & Mari Aparici, C. (2022). Evaluation of Liver and Renal Toxicity in Peptide Receptor Radionuclide Therapy for Somatostatin Receptor Expressing Tumors: A 2-Year Follow-Up. The Oncologist. -
Striking Size Reduction of Rapidly Growing Pancreatic Neuroendocrine Carcinoma Metastatic Nodal Conglomerate After Only 2 Cycles of 177Lu-DOTATATE.
Somoza, E. A., Duan, H., Shaheen, S., Fischer, G. A., & Aparici, C. M. (2022). Striking Size Reduction of Rapidly Growing Pancreatic Neuroendocrine Carcinoma Metastatic Nodal Conglomerate After Only 2 Cycles of 177Lu-DOTATATE. Clinical Nuclear Medicine. -
Peptide Receptor Radionuclide Therapy (PRRT) in Advanced Pheochromocytoma and Paraganglioma From a Single Institution Experience
Duan, H., Ferri, V., Fisher, G. A., Shaheen, S., Davidzon, G. A., Moradi, F., … Aparici, C. M. (2022). Peptide Receptor Radionuclide Therapy (PRRT) in Advanced Pheochromocytoma and Paraganglioma From a Single Institution Experience. PANCREAS. LIPPINCOTT WILLIAMS & WILKINS. -
Chromogranin A as surveillance biomarker in patients with carcinoids: CASPAR
Meng, Q., Halfdanarson, T. R., Bornhorst, J., Jann, H., Shaheen, S., Shi, R. Z., & Halperin, D. M. (2023). Chromogranin A as surveillance biomarker in patients with carcinoids: CASPAR. JOURNAL OF CLINICAL ONCOLOGY. LIPPINCOTT WILLIAMS & WILKINS. -
Phase 3 Trial of Cabozantinib to Treat Advanced Neuroendocrine Tumors.
Chan, J. A., Geyer, S., Zemla, T., Knopp, M. V., Behr, S., Pulsipher, S., … Meyerhardt, J. A. (2024). Phase 3 Trial of Cabozantinib to Treat Advanced Neuroendocrine Tumors. The New England Journal of Medicine. -
Circulating Chromogranin A as Surveillance Biomarker in Patients with Carcinoids - The CASPAR Study.
Meng, Q. H., Halfdanarson, T. R., Bornhorst, J. A., Jann, H., Shaheen, S., Shi, R. Z., … Halperin, D. M. (2024). Circulating Chromogranin A as Surveillance Biomarker in Patients with Carcinoids - The CASPAR Study. Clinical Cancer Research : an Official Journal of the American Association for Cancer Research. -
Efficacy and safety of cabozantinib for advanced gastrointestinal (GI) neuroendocrine tumors (NET) after progression on prior therapy: Subgroup analysis of the phase 3 CABINET trial (Alliance A021602).
Strosberg, J. R., Zemla, T. J., Geyer, S. M., Knopp, M. V., Behr, S., Pulsipher, S., … Chan, J. A. (2025). Efficacy and safety of cabozantinib for advanced gastrointestinal (GI) neuroendocrine tumors (NET) after progression on prior therapy: Subgroup analysis of the phase 3 CABINET trial (Alliance A021602). JOURNAL OF CLINICAL ONCOLOGY. LIPPINCOTT WILLIAMS & WILKINS. -
Phase II trial of organ preservation program using short-course radiation and FOLFOXIRI for rectal cancer (SHORT-FOX): Two-Year primary outcome analysis.
Klebaner, D., Brown, E., Fisher, G. A., Shelton, A., Johnson, T. P., Shaheen, S., … Pollom, E. L. (2025). Phase II trial of organ preservation program using short-course radiation and FOLFOXIRI for rectal cancer (SHORT-FOX): Two-Year primary outcome analysis. Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology, 207, 110884.
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Characterization of disease progression in ovarian cancer by utilizing 'chemograms' of ovarian cancer stem cells.
Clinical Trials
Clinical trials are research studies that evaluate a new medical approach, device, drug, or other treatment. As a Stanford Health Care patient, you may have access to the latest, advanced clinical trials.
Open trials refer to studies currently accepting participants. Closed trials are not currently enrolling, but may open in the future.
- Cisplatin, Carboplatin and Etoposide or Temozolomide and Capecitabine in Treating Patients With Neuroendocrine Carcinoma of the Gastrointestinal Tract or Pancreas That Is Metastatic or Cannot Be Removed by Surgery
- Testing Cabozantinib in Patients With Advanced Pancreatic Neuroendocrine and Carcinoid Tumors
- Chromogranin A as Blood Marker in Cancer Patients
- Study to Evaluate the Safety, PK, and Dose Response of Paltusotine in Subjects With Carcinoid Syndrome
- Capecitabine, Temozolomide, and Bevacizumab for Metastatic or Unresectable Pancreatic Neuroendocrine Tumors
- Pazopanib Hydrochloride in Treating Patients With Progressive Carcinoid Tumors
Practice Locations
Gastrointestinal (GI) Cancer Program in Palo Alto Palo Alto, CA
Palo Alto, CA
Gastrointestinal (GI) Cancer Program in Palo Alto
875 Blake Wilbur Dr
Palo Alto , CA 94304
Make An Appointment More Clinic Information Getting HereImportant Information about Our Organizations and Physician Affiliation
Stanford Health Care, Stanford Health Care Tri-Valley, and Stanford Medicine Partners are each independent nonprofit organizations that are affiliated with but separate from each other and from Stanford University. The physicians who provide care at facilities operated by Stanford Health Care, Stanford Health Care Tri-Valley, and Stanford Medicine Partners are faculty, foundation, or community physicians who are not employees, representatives, or agents of Stanford Health Care, Stanford Health Care Tri- Valley, or Stanford Medicine Partners. Stanford Health Care, Stanford Health Care Tri-Valley, and Stanford Medicine Partners do not exercise control over the care provided by such faculty, foundation, and community physicians and are not responsible for their actions.
Patient Reviews
(123 reviews)
Dr Shaheen is always so kind and encouraging.
Thank you for your time, it is much appreciated.
Dr. Shaheen is the best! She is thorough, decisive, and compassionate, combined with wisdom and insight.
I’m privileged to be her patient.
Dr Shaheen is such a wonderful, kind and very knowledgeable physician. We feel so blessed to have her on this journey!
Amazing doctor who takes the time and explains things so that I can understand them. She listens to my concerns.
Very easy to listen to. Explained everything very clearly.
Excellent professional
Very nice and caring doctor.
She is terrific. Very personable and smart. She gets to point quickly and directly which I appreciate.
Thank you for your time and attention and all you do. Also, thank you to your PA Theresa for listening and for her support and advice.
Shagufta Shaheen has provided excellent care for me.
Dr.Shaheen and her team have given me a better understanding of my illness and what the plan going forward is. They gave me peace of mind
Dr Shaheen is awesome!
Very good and caring Doctor.
She makes me feel calm with her professional and kind demeanor.
I am extremely grateful for the communication Dr. Shaheen has with my oncologist. She is extremely knowledgeable. She tries to explain to me my care even when I am overwhelmed.
She always gets back to me with any questions I have.
She is a great doctor and explains everything well so we can understand.
Very Nice, Good listener and professional..
Dr. Shaheen explained my pathology result and answered my questions very clearly. It’s great to talk to her to get clarity for my test results.
Excellent
Excellent Doctor, very thorough, friendly and caring.
We are good for the time being , we will be seeing her again in a few weeks!
Always a pleasure and her care and concern including that of her staff is always apparent and more importantly felt by all family members participating in the visit.
look forward to collaborating with her on my healthcare.
Efficient, compassionate, knowledgeable, and a pleasure to talk with. I appreciate her excellent grasp of my overall health condition(s) and her guidance.
Dr. Shaheen is very comprehensive and caring. We feel we can trust her judgement and knowledge in the scary environment of cancer treatment.
Very professional
Very efficient and informative....knew my case well which I appreciate
Very helpful Dr.
She is a wonderful, compassionate, extremely knowledgeable doctor.
She was very efficient and kind. I felt very at ease
Caring, compassionate physician; a good listener!
I felt like I was in good hands with a high quality medical care from her. Top notch..
As caring as ever. She really is the best. Also Robyn's input was also the best. I'm privileged to be under their care.
I appreciate Dr. Shaheen meeting with me so soon again. I really needed this visit to clarify how I am to proceed -- and it helped immensely.
Great listener, will look for options for me
Thank you Dr. Shaheen
Such a kind, thorough and caring doctor. Follows the details of her cases.
We are very grateful to her and her team. They are also excellent in their communication.
Very dedicated doctor in her field.
Very good meeting. I wrote down our questions before the meeting, all were answered. Both Theresa and Dr Shaheen listened well and did a good job of giving me a "lay of the land" re: my diagnosis. They helped me understand what it is - what they don't yet know, future tests required, and likely next steps after tests. My hisband and I were worried about the worse possible outcomes before the meeting & after the meeting actually felt hopeful. Very motivating for me. Thank You both.
Very nice doctor. She has compassion and understands with a patient is going through. She listens very well to what the patient has to say also.
I am very happy to have her follow my illness.
We as a family share the utmost respect and admiration for Dr. Shaheen. Your survey asks about the likelihood of making a referral to a friend. We hope that friends would never need such a referral, but we would definitely recommend Dr.Shaheen if they did.
She is great! Very thorough, kind, and a wonderful doctor.
Very nice and intelligent oncologist
Caring & compassionate; a good listener. Ensures procedural follow-up is clearly understood.
She listens and is very accommodating.
Dr. Shaheen is a very good doctor, I’m very happy.
Extremely competent and caring Dr.
I like her. She listens and ask questions. Night and day difference from the specialist i was seeing at UCSF.
Dr. Shaheen is well prepared, efficient, and thorough. She communicates very well and provides all the information necessary to reach the best decisions with her patient. I enjoy working with her entire team. Together they inspire confidence, and I feel I’m in good hands at Stanford.
Thank you for taking the time to speak to me and answering my questions
Look forward to seeing you in person
Very kind and helpful
It is an honor to be working with Dr. Shaheen.
she is a caring doctor
Dr. Shaheen has always given me confidence in my care. And provided me with a questionable health plan moving forward. I appreciate her caring.
Dr. Shaheen follows my plan with care, communictng With my local oncologist to insure that scans and tests, etc are ordered correctly.
Dr Shaheen is the best! I always feel better after speaking with her. I’m indebted to her and her team for their efforts.
Special mention today for Carly Saito who went out of her way to help.
I was satisfied with the visit
I am very happy with her and her team
Dr Shaheen is always very clear with her explanations, ans always reassuring that I'm getting the best care.
Very good
Dr. Shaheen is an excellent doctor and very thorough with our video visit's
I am very happy with the team and care I am getting led by Shaheen.
Dr. Shaheen explained everything well and we left the video visit well informed.
Very knowledgeable doctor
A caring Physician!
Efficient, personable, positive, informative, a pleasure to talk with. I’m in good hands.
Thank you for your kind care.
i like talking with her. she is interested in helping me through my illness.
Very nice and knows a lot about my condition.
she was professional and completely informative.
Dr. Shaheen was very kind. She listened to my concerns and explained so that I could understand. I feel like I am in excellent hands with Dr. Shaheen
Dr. Shaheen spent a lot of time with us today… I greatly appreciated the time and got all our questions answered.
Dr. Shaheen and Theresa Anderson Wittenberg, PA-C are amazing professionals and people. I have been so well cared for by them over the last 10 years. I continue to recommend Stanford and their office without any hesitation and with much adoration for their work. Thank you.
It is a privilege to have Dr. Shaheen overseeing my case.
Appreciate her reports and answers to my questions.
This was my first meeting with Dr. Shaheen. She was excellent in every way. She sought to know my concerns, questions, and degree of knowledge about my particular cancer, and she also very thoroughly explained my particular situation and took steps for further care and follow-up.
Very pleasant and sounds experienced. Looking forward to hearing from Dr. Mari shortly.
Awesome doctor along with Teresa. They are an excellent team and I feel I am in the best care possible.
I cannot think of anyone better than Dr Shaheen to provide the care that I currently need. She is a very special person.
I just so appreciate your care.
Very knowledgeable about the disease. Explained option well.
Very knowledgable
She is an excellent doctor and communicator. She was direct and easy to understand. She was prepared and had a future plan for me
Noting about Dr Shaheen, she was very professional and very informative
As usual she's great.
She is great
Thank you for helping me. You are my rock start Dr Shaheen.
Excellent care as always
Excellent physician in all respects. Dr Shaheen is a very charismatic and inspirational doctor. I’m privileged to be under her care.
She is a well care physician to her patients. Thank you Dr. Shaheen.
Doctor Shaheen and her assistant Robyn were both very professional and concerned about my well being. They answered all my questions.
Informed, concerned and compassionate. Fully aware of my history and provided future care guidelines.
not only is Dr. Shaheen and Teresa Whittenburg PA knowledgable medical providers, they are compassionate and caring human beings.
Very warm, objective and thoroughly explained treatment options and train of thought for management care. She presented as extremely knowledgeable and willing to listen and answer questions thoroughly. She was objective in providing her thought in who I should have on my care team for cancer treatment, not exhibiting any bias but suggested to choose based on fit and feel/connection between patient and physician, which was reassuring for me. I would really like to have her as part of my care team as she and her PA (Theresa)were very compassionate, well versed in my case and made me feel confident in their care.
She is very easy to talk with and is caring about any problems that I might have
Thank you Dr Shaheen for your help. Thank you for explaining what plans will go on next.
Dr Shaheen is wonderful caring person ideally suited to her role. She also manages an amazing team of professionals who provide superb support for cancer sufferers. I particularly praises Dr Shaheen’s nursing assistants. They deserve the very best from Stanford.
Excellent visit.
Very nice and spent time to answer my questions.
Amazing doctor abs team
She is very caring and treats me with much respect. Excellent care so easy to talk to.
She is very caring and easy to talk with.
I am very grateful to have Dr. Shaheen as my oncologist. She is very knowledgeable, thorough and cares.
Dr. Shaheen called back later to discuss meeting with surgeons
Thank you for your dedication and service !
She is a wonderful doctor and I will miss her while she is on leave.
Dr. Shaheen is very knowledgeable in her field
Including all her nurses working with her team.
They respond to all my inquiries. Thank you for that.. Eah video visit is the same with office. I understand that Covid has big factor on having video visit is preferred this time,
My family and I wish Dr Shaheen the very best during her maternity leave and look forward to seeing her when she returns. She is a superb physician in all respects. My most grateful thanks to her. It is a privilege to be under her care.
Excellent communication. Very rushed. Forget questions even with a list
Everything was very good.
All good , except needs to be on time.
Excellent Dr.
always an excellent help
Dr. Shaheen is a true professional. I have every confidence in her as my oncologist.
Ok
Very impressed. The Dr that gathered the preliminary info also great!
Very supportive.
I was extremely happy with my visit. Dr. Shaheen was very informative and was caring about my well being. I am very confident in the path she has recommended for me. I can now be less anxious about my cancer. Thank you!
A fine physician!
Both Robyn and Dr. Shaheen are awesome!
She was awesome! Very helpful, knowledgeable, and kind!
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