Dr. Armen C. Gregorian, MD

Dr. Gregorian practices at Adventist Health Glendale in Glendale, California, part of Adventist Health.

Dr. Gregorian's NPI, 1093909624, was assigned on August 27, 2007. Dr. Gregorian graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2004. Dr. Gregorian's California license number on file is A97331.

Dr. Gregorian's primary practice is Adventist Health Glendale, at 1509 E Wilson Terrace, Glendale, CA 91206 in Los Angeles County. The practice phone is (818) 409-8202.

Dr. Gregorian's primary practice is Adventist Health Glendale in Glendale, California, part of Adventist Health. Dr. Gregorian is also affiliated with USC Verdugo Hills Hospital. The medical group on file is Adventist Health Glendale. Dmand AI also links Dr. Gregorian to 3 more medical groups and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gregorian practices, 3 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Gregorian's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gregorian is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Gregorian's licenses on file in 2 states: California and Rhode Island.

Dmand AI lists abdominal adhesion surgery, appendectomy, colon removal, gallbladder removal, gastrointestinal bleeding, groin hernia surgery and hemorrhoids among the conditions Dr. Gregorian treats.

CMS data shows 476 Medicare services from Dr. Gregorian across 10 procedure codes in 2024, for 245 Medicare patients. Medicare paid $68,481 for them.

CMS counts 245 Medicare patients who saw Dr. Gregorian in 2024. The largest group is 65 to 74, with 111 patients. 75% of them have arthritis, and 75% have high blood pressure. 72% are also on Medicaid. Their average risk score is 1.94, 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. Gregorian's median patient age at 50, with 43% women.

In 2024, Dr. Gregorian wrote 80 Medicare Part D claims for 49 patients. 98% of them were for generic drugs. CMS names the drug for 58 of them, across 3 drugs with 11 or more claims each, at $220 in total drug cost. In 2023, CMS named 70 claims across 4 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Gregorian for performance year 2024, reported individually. Dr. Gregorian accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 4 papers to Dr. Gregorian, published from 2021 to 2023. The most frequent topics are Anal Canal. Dr. Gregorian has published most often in J Gastrointest Surg. Dr. Gregorian's most frequent co-authors are Armen Aboulian, MD, Steven Yeh-Geng Chao, MD and Sabeen Dhand, MD.

CMS Open Payments shows 76 general payments to Dr. Gregorian from 12 drug and device companies from 2016 to 2025. Education make up the largest share, 81% of the total. Intuitive Surgical, Inc. paid the most, $26,485.

Dmand AI lists 1 award for Dr. Gregorian.

Dr. Gregorian graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 2004. Dr. Gregorian is a member of ACS.

Dr. Gregorian is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.