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Samar Singh,

M.D.

Endocrinologist

5 (210 Ratings)
Biography photo
Location
City of Hope Orange County Lennar Foundation Cancer Center
1000 Five Point
Irvine, CA 92618
Specialties
Diabetes, Endocrinology and Metabolism
Education
Medical school:

2003-2007, Doctorate of Medicine, Brody School of Medicine; Greenville, NC

Residency:

2007-2010, Internal Medicine, University of California, Irvine; Orange, CA

Academic Appointments
  • Associate Clinical Professor, Department of Diabetes, Endocrinology & Metabolism
About Me

Raised in a household surrounded by physicians, Samar Singh, M.D. was inspired to pursue a career in medicine in order to have a positive impact on the lives of others. An endocrinologist and associate professor at City of Hope® Cancer Center Duarte, Dr. Singh is committed to helping patients ease the challenges of chronic metabolic conditions through a collaborative, person-centered approach. She prioritizes listening to her patients and ensuring that they understand their diagnoses and their treatment options. 

Dr. Singh earned her medical degree at East Carolina University’s Brody School of Medicine in Greenville, North Carolina, before completing her internal medicine residency and endocrinology fellowship at the University of California, Irvine, where she served as chief resident and was named fellow of the year. 

Before joining City of Hope, Dr. Singh was an associate clinical professor and program director for UC Irvine’s Department of Endocrinology. During her time there, she was recognized as one of the top 20 physicians for excellence in patient communication and was honored as a Southern California Top Doctors Rising Star. 

Fluent in Punjabi, Dr. Singh enjoys spending quality time with her family when she’s not in the clinic.

Patient reviews
The patient ratings and comments on this page are obtained from an external Press Ganey® outpatient survey provided to all eligible City of Hope patients within one to two weeks of their treatment occurrence. Raw data from the answers to the survey questions about our physicians are calculated by Press Ganey into a one- to five- star rating. In the spirit of transparency, all patient comments are posted as written by the patient, whether they are positive or negative. We only exclude comments if they are deemed to be slanderous or libelous, contain profanity or vulgar language, or do not relate to the patient's experience with the doctor involved. As a result, the comments are the views and opinions of the patients surveyed and are not endorsed by, and may not necessarily reflect the opinion of, City of Hope.
Mar 30, 2026
5.0
"Dr. Singh and entire team are absolutely fantastic, best medical care I've ever gotten."
Mar 22, 2026
5.0
"First time visit and very impressed . Would definetly recommend"
Mar 14, 2026
5.0
"From the moment one enters, the attention of the staff is excellent, thank you"
Mar 14, 2026
5.0
"Dr Samar K Singh very professional and very good person, thank you for having her with you, she does an excellent job, she is very professional"
Mar 4, 2026
5.0
"Dr. Singh is Amazing! She has always been kind and compassionate about my Diabetes journey. She has always been thorough with explaining everything."
Feb 28, 2026
4.9
"With a low PTH and my clinical presentation I would have preferred Dr Singh to take a more front line clinical role (follow up labs, closer clinical follow up than 4 months) however she elected to assume a secondary role now placing my rheumMD in a position to Rx PTH analog Rx, labs, et al."
Feb 27, 2026
5.0
"Dr Singh was very kind and helpful. She took the time to listen to me and provided me with options on what to do next"
Feb 21, 2026
5.0
"Good"
Feb 21, 2026
5.0
"Good"
Feb 10, 2026
5.0
"She continues to amaze me with the quality of care and level of interest in my health conditions. I always feel energized and motivated after our appointments"
Jan 30, 2026
5.0
"My experience with the provider was so comforting. It was a pleasure to meet with her. The doctor was very understanding."
Jan 25, 2026
5.0
"Dr Singh is one of the best Dr I ever have!"
Jan 22, 2026
5.0
"Appreciate doctor Singh professional supports"
Jan 21, 2026
5.0
"Good"
Jan 21, 2026
5.0
"Perfect for me"
Jan 16, 2026
5.0
"Dr. Singh is exceptionally kind and highly informative. She takes the time to thoroughly explain all available options with great patience and ensures I feel actively involved in my care. Her collaborative approach makes me feel like a valued partner in managing both my cancer and diabetes treatment."
Jan 13, 2026
5.0
"Dr. Singh is the best, she takes time to explain everything."
Jan 7, 2026
5.0
"Love Dr. Singh"
Dec 31, 2025
5.0
"I am so grateful to have found Dr. Singh - she is knowledgeable, compassionate, and she listens!"
Dec 30, 2025
5.0
"Very good attention from the doctor."
Dec 20, 2025
5.0
"[...] Dr. Singh is an outstanding doctor. She is smart, kind, knowledgeable, and keeps me updated even between appointments. I am so grateful for and impressed by the care she provides."
Dec 18, 2025
5.0
"One of City of Hopes best physicians!"
Dec 18, 2025
5.0
"Very thorough explanation of my case and the needed follow up procedures to be done."
Dec 6, 2025
5.0
"She's great"
Nov 23, 2025
5.0
"Excellent care from Dr Samar Singh"
Nov 21, 2025
5.0
"Dr. Singh is as good as it gets."
Nov 18, 2025
5.0
"Already have recommended this provider to others."
Nov 12, 2025
5.0
"Dr Singh is one of my favorite doctors who took care of me for almost 10 years from [...] and now at COH. Thanks so much Dr Singh!"
Nov 7, 2025
5.0
"Dr Singh is outstanding every time I see her. She is thorough, knowledgeable, & empathic. [...] have had many doctors since I was treated for breast cancer 10 years ago. She's by far the best doctor I've ever seen!"
Nov 6, 2025
5.0
"Positive experience!"
Nov 6, 2025
5.0
"Absolutely excellent number one best physician bedside manner Dr. Singh has!!"
Nov 4, 2025
5.0
"Always recommend COH OC!"
Nov 4, 2025
5.0
"Dr. Singh is consistently amazing, thorough, caring, knowledgeable and always helpful. I highly recommend her."
Nov 2, 2025
5.0
"Dr. Samar Singh is the most excellent physician."
Nov 1, 2025
5.0
"She's Excellent!"
Oct 8, 2025
5.0
"Dr Samar Singh is the best doctor I have ever had! Both my husband and I are her patients, for different medical issues, and she is so knowledgeable, helpful, and kind to both of us.City of Hope is lucky to have such an outstanding physician working for them. Dr Singhs nurses are also fantastic and always so professional and helpful!"
Oct 5, 2025
5.0
"After my very first visit the other day with Dr. Singh, I was so impressed and honestly so happy to find her, that I have already recommended her to a colleague."
Oct 5, 2025
5.0
"Very impressed with Dr. Singh! She took time to discuss and explain clearly, so that I really understand my treatment options. She made me feel very comfortable and like a person, not a number. I am so happy I ended up referred to her. I have already referred her to a colleague who is starting to understand her possible journey with osteoporosis."
Sep 18, 2025
5.0
"Dr. Singh was excellent. She was extremely knowledgeable and communicated information very effectively. Glad to have her on me medical team."
Sep 10, 2025
5.0
"Dr. Singh is very knowledgeable and detail oriented!"
Sep 9, 2025
5.0
"My appointments with Dr Singh is collaborative which is appreciated. She listens and is honest in her approach."
Sep 9, 2025
5.0
"Dr. Singh is one of a few MD's who truly listened and HEARD me when I spoke to her about my health issues and concerns."
Sep 3, 2025
5.0
"Excellent staff"
Sep 3, 2025
5.0
"Dr did an excellent job!"
Aug 31, 2025
5.0
"Excellent"
Aug 31, 2025
5.0
"Excellent"
Aug 30, 2025
5.0
"Dr Singh is amazing!!"
Jul 25, 2025
5.0
"Everything was perfect."
Jul 25, 2025
5.0
"Everything was perfect."
Jul 25, 2025
5.0
"Dr. Singh is loving and caring and answered all my questions. I am blessed to have her as my amazing endocrinologist."
Jul 20, 2025
5.0
"She was very thorough and caring. She brought up issues in my past and followed up making sure still resolved."
Jul 19, 2025
5.0
"Excellent physician with positive attributes of really caring for the wellbeing of the patient ie myself. She exemplifies being the captain of the ship in showing that the patient comes FIRST !!"
Jul 11, 2025
5.0
"Dr Singh is extremely thoughtful and thinks about all the possible pros and cons before deciding on next steps. She truly cares for the well being of her patient. Can't express in words how good she is."
Jul 5, 2025
5.0
"Really appreciated"
Jul 5, 2025
5.0
"100% really appreciated"
Jun 27, 2025
5.0
"Dr Singh is the best!"
Jun 25, 2025
5.0
"Dr. Singh is the utmost professional and calmed my nerves immediately. She is very knowledgeable and explained every step of our plan carefully and clearly."
Jun 23, 2025
5.0
"Absolutely blown away by the professionalism and compassion with Dr. Singh. In just a short time she showed more earnest care than any doctor I've had before, and answered every question thoroughly in language I can understand without making me feel rushed at all."
Jun 22, 2025
5.0
"I am truly grateful to have Dr. Samar k Singh as my physician. Her professionalism, compassion, and dedication to her patients are deeply appreciated. The staff around her is also exceptional, creating a warm and welcoming environment that makes each hospital visit feel comfortable and reassuring-almost like being surrounded by family. I feel very fortunate to be under the care of Dr. Samar k Singh , and I also appreciate the excellence of the other doctors at the facility."
Jun 20, 2025
5.0
"Liked Dr S. Singh. Very easy to talk with, listened to my concerns, did not feel rushed"
Jun 14, 2025
5.0
"Very good"
Jun 14, 2025
5.0
"Very good"
Jun 13, 2025
5.0
"Let's see I have sent 11 new patients to city of Hope- not bragging on cancer, but definitely bragging about cancer care in the best of the best!"
Jun 13, 2025
5.0
"Doctor Singh is off the charts amazing. I was told she is great, but she is better than great. Her demeanor is so comforting, her ease of explaining my specific issue which is a nodule on my thyroid, never once had I had anyone break it down for me like that. It's awesome [...] God I love her!! Excellent Doctor!!!"
Jun 3, 2025
5.0
"Dr. Singh is truly the best!"