Dr. Roger Philip Friedenthal, MD

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

Dr. Friedenthal's NPI, 1164521605, was assigned on September 21, 2006. Dr. Friedenthal graduated from Yale School of Medicine in 1962. Dr. Friedenthal holds California license G9257.

Dr. Friedenthal'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. Friedenthal'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. Friedenthal to 6 more medical groups and 5 group practices and clinics, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Friedenthal practices, 6 sites in all. Vendor and product names are available with a free account.

Plastic surgery is Dr. Friedenthal's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Friedenthal is board certified in plastic surgery by the American Board of Plastic Surgery. Dmand AI has Dr. Friedenthal's licenses on file in 2 states: California and Arizona.

Dmand AI lists chronic skin ulcer among the conditions Dr. Friedenthal treats.

CMS data shows 596 Medicare services from Dr. Friedenthal across 5 procedure codes in 2024, for 58 Medicare patients. Medicare paid $89,328 for them. Every service was in an office.

CMS counts 58 Medicare patients who saw Dr. Friedenthal in 2024. The largest group is 75 to 84, with 21 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 33% are also on Medicaid. Their average risk score is 2.55, 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. Friedenthal's median patient age at 68, with 42% women.

In 2024, Dr. Friedenthal wrote 70 Medicare Part D claims for 25 patients. 94% of them were for generic drugs. CMS names the drug for 37 of them, across 2 drugs with 11 or more claims each, at $331 in total drug cost. In 2023, CMS named 42 claims across 2 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Friedenthal for performance year 2024, reported as part of a group. Dr. Friedenthal accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 40 procedures of removal of tissue by Dr. Friedenthal, more than 76% of the clinicians it reports for that procedure.

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

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

CMS Open Payments shows 96 general payments to Dr. Friedenthal from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 67% of the total. Allergan Inc. paid the most, $1,122.

Dmand AI lists 11 awards for Dr. Friedenthal, most recently Regional Top Doctor in 2014. Dr. Friedenthal serves on UCSF Association of the Clinical Faculty.

Dr. Friedenthal graduated from Yale School of Medicine in 1962. Dr. Friedenthal is a member of ACS and ASPS.

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