Dr. Hueylan Chern, MD

Dr. Chern practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Dr. Chern's NPI, 1942461645, was assigned on June 24, 2008. Dr. Chern graduated from Rutgers New Jersey Medical School in 2002. Dr. Chern's California license number on file is A109836.

Dr. Chern's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Dr. Chern's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Chern to 4 more group practices and clinics and 3 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chern practices, 5 sites in all. Vendor and product names are available with a free account.

Colon and rectal surgery is Dr. Chern's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Chern is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Chern's licenses on file in 4 states: California, New York, New Jersey and Rhode Island.

Dmand AI lists colonoscopy, colon removal and hemorrhoids among the conditions Dr. Chern treats.

CMS data shows 80 Medicare services from Dr. Chern across 3 procedure codes in 2024, all of them office visits, for 92 Medicare patients. Medicare paid $5,663 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 92 Medicare patients who saw Dr. Chern in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.23, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Chern's median patient age at 61, with 57% women.

In 2018, Dr. Chern wrote 51 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $269 in total drug cost. In 2017, CMS named 24 claims across 2 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Chern for performance year 2024, reported as part of a group. Dr. Chern accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chern as offering telehealth. CMS counts 28 procedures of colonoscopy by Dr. Chern, more than 53% of the clinicians it reports for that procedure.

Dmand AI links 37 papers to Dr. Chern, published from 2006 to 2025. 2022 was the busiest year, with 6. The most frequent topics are Clinical Competence, Robotic Surgical Procedures and Curriculum. Dr. Chern has published most often in Am J Surg. Dr. Chern's most frequent co-authors are Ankit Sarin, MD, MHA, Madhulika G. Varma, MD and Patricia O'Sullivan, MD.

Dmand AI links Dr. Chern to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Rectal Prolapse and Pelvic Organ Prolapse.

CMS Open Payments shows 50 general payments to Dr. Chern from 5 drug and device companies from 2016 to 2025. Education make up the largest share, 86% of the total. Intuitive Surgical, Inc. paid the most, $20,140.

Dmand AI lists 3 awards for Dr. Chern, most recently Super Doc in 2012.

Dr. Chern graduated from Rutgers New Jersey Medical School in 2002. Dr. Chern is a member of ACS.

Dr. Chern is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.