Laurence Katznelson, MD

Neuroendocrinologist

Bio:   Laurence Katznelson, MD received his medical degree from the University of California, Los Angeles and performed his internship and residency in Internal Medicine at the Hospital of the University of Pennsylvania, Philadelphia. He then performed a fellowship in Endocrinology and Metabolism at the Massachusetts General Hospital, Boston. Dr. Katznelson is a Professor of Neurosurgery and Medicine (Endocrinology)at Stanford University School of Medicine. At Stanford University, he is the Associate Dean of Graduate Medical Education and the Chair of the GME Committee. Dr. Katznelson is the Medical Director of the Pituitary Center at Stanford Hospital and Clinics. In the Endocrine Society, Dr. Katznelson has served as Chair of the Special Programs Committee and Nominations Committees. He has served as Chair of the Task Forces for writing clinical guidelines for the approach to acromegaly for both The Endocrine Society and the American Association of Clinical Endocrinologists, and Chair, Pituitary Committee for the American Association of Clinical Endocrinologists. In endocrinology, Dr. Katznelson has a long standing clinical and research interest in the pathophysiology and treatment of pituitary disease.
4.8 out of 5
102 Patient Ratings
80 Patient Comments

Stanford Neuroscience Health Center

Pituitary Center

Gastrointestinal (GI) Cancer Program in Palo Alto

Brain and Spine Tumor Center at Stanford Cancer Center

  • 875 Blake Wilbur Drive
  • Clinic D
  • Palo Alto , CA 94304
  • Phone: 650-498-6000
More Clinic Information » Getting Here » Make An Appointment

Professional Education

  • BS, U.C., Berkeley, Genetics (1981)
  • MD, UC, Los Angeles, Medicine (1985)
  • Internship: Hospital of the University of Pennsylvania (1986) PA
  • Residency: Hospital of the University of Pennsylvania (1989) PA
  • Fellowship, Massachusetts General Hospital, MA, Endocrinology and Metabolism` (1992)
  • Board Certification: Internal Medicine, American Board of Internal Medicine (1988)
  • Board Certification: Endocrinology, Diabetes and Metabolism, American Board of Internal Medicine (1991)
  • Board Certification, Endocrinology, Diabetes and Metabolism, American Board of Internal Medicine (2013)
  • Fellowship: Massachusetts General Hospital (1992) MA

Honors & Awards

  • 2017 Laureate Award for Educator of the Year, The Endocrine Society (2017)
  • Best Doctors in America, Best Doctors (2005-)
  • H. Jack Baskin, MD, Endocrine Teaching Award, American Association of Clinical Endocrinologists (2015)

Administrative Appointments

  • Associate Dean of Graduate Medical Education, Stanford School of Medicine (2014 - Present)
  • Chair, Graduate Medical Education Committee, Stanford Healthcare (2014 - Present)
  • Chair, Special Programs Committee, Endocrine Society (2008 - 2011)
  • Director, Endocrinology Fellowship Training Program, Stanford Healthcare (2005 - 2014)
  • Medical Director, Pituitary Center, Stanford Healthcare (2004 - Present)
4.9

Friendliness

4.8

Explanations

4.8

Listens

4.8

Includes you in decisions

4.8

Clear Communication

4.8

Confidence in your doctor

4.8

Recommended to others

4.4

Wait times

SHC Patient, Jul 2019

Is there another doctor as GREAT as Dr. Katznelson... NEVER.

SHC Patient, May 2019

Dr. K - great as always!

SHC Patient, Apr 2019

I would absolutely recommend Dr. Katznelson. He is a great dr./person and so is Olivia Chu.

SHC Patient, Mar 2019

I am delighted with Dr. Katznelson and his team-

SHC Patient, Mar 2019

I am glad Dr. Katznelson accepted me as a new patient. The doctor and physician assistant answered my questions and concerns very patiently during my first visit to the clinic.

SHC Patient, Mar 2019

Always tell my clients the great experiences I have, during all my appts. & surgery.

SHC Patient, Feb 2019

Dr. Katznelson is one of the best physicians I have ever worked with ever.

SHC Patient, Feb 2019

Yes all professional.

SHC Patient, Jan 2019

Olivia CH-NP & Dr. Katznelson make an excellent partnership & their years together is evident & optimal in care provided.

SHC Patient, Dec 2018

Dr. Katznelson has treated me since 2013 - every visit with him has left me feeling (and knowing) that I am receiving the best and highest level of care possible. I am honored and grateful to be his patient.

SHC Patient, Dec 2018

Always a good visit, well informed both by the doctor & PA. 1. Oliva is wonderful.

SHC Patient, Dec 2018

Dr. Katznelson noticed a change in my weight as a positive outcome to my surgery. He has always showed so much concern with me. I owe him my life. Thank you.

View All 80 Patient Comments »
4.8 out of 5
102 Patient Ratings
80 Patient Comments

SHC Patient, Jul 2019

Is there another doctor as GREAT as Dr. Katznelson... NEVER.

SHC Patient, May 2019

Dr. K - great as always!

SHC Patient, Apr 2019

I would absolutely recommend Dr. Katznelson. He is a great dr./person and so is Olivia Chu.

SHC Patient, Mar 2019

I am delighted with Dr. Katznelson and his team-

SHC Patient, Mar 2019

I am glad Dr. Katznelson accepted me as a new patient. The doctor and physician assistant answered my questions and concerns very patiently during my first visit to the clinic.

SHC Patient, Mar 2019

Always tell my clients the great experiences I have, during all my appts. & surgery.

SHC Patient, Feb 2019

Dr. Katznelson is one of the best physicians I have ever worked with ever.

SHC Patient, Feb 2019

Yes all professional.

SHC Patient, Jan 2019

Olivia CH-NP & Dr. Katznelson make an excellent partnership & their years together is evident & optimal in care provided.

SHC Patient, Dec 2018

Dr. Katznelson has treated me since 2013 - every visit with him has left me feeling (and knowing) that I am receiving the best and highest level of care possible. I am honored and grateful to be his patient.

SHC Patient, Dec 2018

Always a good visit, well informed both by the doctor & PA. 1. Oliva is wonderful.

SHC Patient, Dec 2018

Dr. Katznelson noticed a change in my weight as a positive outcome to my surgery. He has always showed so much concern with me. I owe him my life. Thank you.

SHC Patient, Dec 2018

Dr. Katznelson does an outstanding job of putting one at ease and has outstanding communication skills. I feel blessed he is my physician.

SHC Patient, Nov 2018

Dr. Katznelson is exceptional doctor.

SHC Patient, Oct 2018

Wish Dr. Katznelson could be rated MORE THAN 5! He is an incredible physician, and friend as well -

SHC Patient, Oct 2018

Dr. Katznelson is very thorough!

SHC Patient, Sep 2018

I am so thankful for Dr. Katznelson and his entire team! What an amazing staff!

SHC Patient, Sep 2018

For me, he's the best doctor at Stanford. A real detective. I was spared surgery because of his expertise & thoroughness.

SHC Patient, Jul 2018

Dr. Katznelson is an excellent doctor who is caring and very helpful.

SHC Patient, Mar 2018

He was excellent!

SHC Patient, Feb 2018

The doctor verbalized my next visit, my next step. The doctor briefly summarized that's next and listened. The nurse didn't nor did she need to.

SHC Patient, Feb 2018

Dr. Katznelsonis one of the most outstanding care givers with whom I have had experience. His knowledge, patience and perseverance have helped me immeasurably!

SHC Patient, Jan 2018

Very very good and more than excellent thanks.

SHC Patient, Nov 2017

Excellent care and support.

SHC Patient, Oct 2017

Dr. Katznelson goes above and beyond.

SHC Patient, Sep 2017

Dr Katznelson spent 30+ mins with me.

SHC Patient, Sep 2017

Dr. Katznelson was great! Knowledgeable & caring.

SHC Patient, Aug 2017

Doctor Katznelson and his team are awesome. I owe my good health to him & Olivia Chu. I am forever grateful for their care and time they take to help me.

SHC Patient, Jun 2017

Dr. Katznelson is an excellent doctor. He is an excellent listener and really cares about how my husband (the patient) is doing. He is compassionate.

SHC Patient, Jun 2017

Fabulous.

SHC Patient, Jun 2017

I wanted to get a second opinion regarding my treatment plan from a non-Stanford doctor. After my experience with Dr. Katznelson, I feel confident in transferring my care to him.

SHC Patient, Jun 2017

Dr. Katznelson is awesome! & Olivia too.

SHC Patient, May 2017

The care provider called me the next day just to follow up on the information given to me and make sure I was able to get the medication an if I had any questions about the meds.

SHC Patient, May 2017

As always- great care all around. Like family!!

SHC Patient, Apr 2017

I've realized I have to do my homework so I know what to ask. Knowledge is not forthcoming automatically. Lab work was recommended at visit. No one followed thru.

SHC Patient, Apr 2017

All good.

SHC Patient, Mar 2017

Dr. Laurence Katznelson is everything a patient would want in a doctor. He is extremely knowledgeable, and he genuinely cares about providing.

SHC Patient, Feb 2017

Dr. Katznelson and his staff are all wonderful! They're so wonderful, that I drive 3 hours just to see them... when needed!

SHC Patient, Feb 2017

I tell people that Stanford is only place to get care.

SHC Patient, Nov 2016

have already sung your praises to friends

SHC Patient, Oct 2016

Very good!

SHC Patient, Sep 2016

Love my doctors!

SHC Patient, Aug 2016

Dr. Katznelson is an excellent doctor who has helped my husband a lot. His nurse, Olivia Chu, is also very helpful.

SHC Patient, Jul 2016

The dr. is amazing!

SHC Patient, Jul 2016

Dr. Katz-Nelson is the very best. I wish he were my regular internist for my total health situation.

SHC Patient, Jul 2016

Dr. Katznelson is an outstanding physician. He is an excellent communicator and extraordinarily kind and compassionate.

SHC Patient, Jun 2016

Stanford Hospital should be proud to have such a awesome doctor and team treating patients.

SHC Patient, May 2016

The NP actually called me to go over results of lab work and explained everything in terms I could understand. I appreciated it very much.

SHC Patient, Apr 2016

Great experience.

SHC Patient, Mar 2016

Spent 45 mins!!

SHC Patient, Feb 2016

Doctor Laurence Katznelson and NP Olivia Chu area great in their patient care and explanations!

SHC Patient, Feb 2016

He is an excellent doctor who REALLY cares. He has helped my husband tremendously.

SHC Patient, Feb 2016

We love Dr. Katznelson he is awesome!

SHC Patient, Jan 2016

Overall very good.

SHC Patient, Jan 2016

Kindness and cleanliness. Excellent.

SHC Patient, Nov 2015

Very comfortable atmosphere.

SHC Patient, Nov 2015

I am very happy with the staff, and hospital. I am in the best of hands.

SHC Patient, Oct 2015

The experience was very good attention and amiable from all personnel thank you very much.

SHC Patient, Oct 2015

I like that the MD has a consistent (same NP) & not a high turnover - important for continuity of care.

SHC Patient, Sep 2015

Felt my visit this time was very rushed. Usually it is better.

SHC Patient, Aug 2015

Wish I lived closer so I could see him again! Great assistants as well!

SHC Patient, Aug 2015

I had a very good experience with Dr. Katznelson. Knowledgeable, easy to talk to, patient. Very impressed.

SHC Patient, Jul 2015

Excellent.

SHC Patient, Jul 2015

Excellent experience.

SHC Patient, Jun 2015

Dr. Katznelson epitomizes why Stanford is so highly regarded.

SHC Patient, Jan 2015

The PA or resident on the case was very thorough and spent a lot of time w/me. Good experience.

SHC Patient, Dec 2014

Good.

SHC Patient, Oct 2014

Dr. K makes me feel special and he's like family & we've gone through so much together. I am alive because of him!

SHC Patient, Oct 2014

Best doc - spent 45 minutes. Great bedside manner. Dream doctor.

SHC Patient, Sep 2014

Dr. Katz and Olivia his PA are an excellent caring team.

SHC Patient, Aug 2014

Dr. Katznelson has the greatest patient-doctor rapport that I know of.

SHC Patient, Jul 2014

Very friendly love them.

SHC Patient, Jul 2014

Dr. Katznelson is an amazing, empathetic physician!!! We need to clone him.

SHC Patient, May 2014

Dr. Katz is an awesome dr. He is very caring -

SHC Patient, Apr 2014

Fellow was great to deal with listened very carefully. Physician was well informed by fellow - also caring.

SHC Patient, Mar 2014

I found this care provider awesome. He was able to point out things from an old MRI not told before.

SHC Patient, Mar 2014

Dr. Katznelson & Olivia Chu are great. Enjoy talking with him & her.

SHC Patient, Feb 2014

I was sent to Dr. K. by referral. A very stressful time due to my diagnosis, and all the staff was great!

SHC Patient, Feb 2014

Dr. Katz-Nelson is exemplary in every way!! Extraordinary.

SHC Patient, Dec 2013

How rare to find a dr. who admits "I'm not sure" and explains steps to be taken together to find an answer. Refreshing and inspiring.