Dr. Roy C. Grekin, MD

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

Dr. Grekin's NPI, 1245278506, was assigned on June 2, 2006. Dr. Grekin graduated from University Of Michigan Medical School in 1977. Dr. Grekin holds California license G51012.

Dr. Grekin'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. Grekin's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dr. Grekin is also affiliated with Santa Barbara Cottage Hospital. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Grekin 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. Grekin practices, 3 sites in all. Vendor and product names are available with a free account.

Dermatology is Dr. Grekin's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Grekin is board certified in dermatology by the American Board of Dermatology. Dr. Grekin is licensed in California.

Dmand AI lists acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, contact dermatitis, joint cyst and skin discoloration among the conditions Dr. Grekin treats.

CMS data shows 1,294 Medicare services from Dr. Grekin across 22 procedure codes in 2024, for 343 Medicare patients. Medicare paid $130,462 for them. Every service was in an office.

CMS counts 343 Medicare patients who saw Dr. Grekin in 2024. The largest group is 75 to 84, with 154 patients. 72% of them have high cholesterol, and 64% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Grekin's median patient age at 78, with 45% women.

In 2024, Dr. Grekin wrote 36 Medicare Part D claims for 26 patients. 92% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $1,679 in total drug cost. In 2022, CMS named 44 claims across 2 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Grekin for performance year 2024, reported as part of a group. Dr. Grekin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 58 procedures of removal of skin lesions by Dr. Grekin, more than 72% of the clinicians it reports for that procedure.

Dmand AI links 56 papers to Dr. Grekin, published from 2007 to 2024. 2011 was the busiest year, with 2. The most frequent topics are Skin Neoplasms, Carcinoma, Squamous Cell and Psoriasis. Dr. Grekin has published most often in Arch Dermatol. Dr. Grekin's most frequent co-authors are Isaac M. Neuhaus, MD, Siegrid S. Yu, MD and Kishwer S. Nehal, MD.

CMS Open Payments shows 19 general payments to Dr. Grekin from 5 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 91% of the total. Abbvie Inc. paid the most, $167.

Dr. Grekin graduated from University Of Michigan Medical School in 1977.

Dr. Grekin is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.