Dr. Rena K. Fox, MD

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

Dr. Fox's NPI, 1013067040, was assigned on January 11, 2007. Dr. Fox graduated from UC San Diego School of Medicine in 1997. Dr. Fox's California license number on file is A72286.

Dr. Fox'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. Fox'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. Fox to 4 more group practices and clinics, 4 medical groups and 1 home health agency, each named with a free account.

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

Internal medicine is Dr. Fox's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fox is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Fox's licenses on file in 2 states: California and Washington.

Dmand AI lists acute kidney failure, alcohol use disorders, alzheimer's disease, anxiety, arthritis, asthma, atrial fibrillation and flutter and bladder disease among the conditions Dr. Fox treats.

CMS data shows 755 Medicare services from Dr. Fox across 5 procedure codes in 2024, for 233 Medicare patients. Medicare paid $45,718 for them. Every service was in an office.

CMS counts 233 Medicare patients who saw Dr. Fox in 2024. The largest group is 65 to 74, with 116 patients. 75% of them have high cholesterol, and 64% have high blood pressure. 27% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Fox's median patient age at 68, with 61% women.

In 2024, Dr. Fox wrote 3,265 Medicare Part D claims for 294 patients. 89% of them were for generic drugs. CMS names the drug for 2,647 of them, across 65 drugs with 11 or more claims each, at $135,879 in total drug cost. In 2023, CMS named 2,373 claims across 60 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Fox for performance year 2024, reported as part of a group. Dr. Fox accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fox as offering telehealth.

Dmand AI links 30 papers to Dr. Fox, published from 2007 to 2023. 2016 was the busiest year, with 4. The most frequent topics are Liver Cirrhosis, Carcinoma, Hepatocellular and Liver Neoplasms. Dr. Fox has published most often in Clin Gastroenterol Hepatol. Dr. Fox's most frequent co-authors are Tamar Hamosh Taddei, MD, Ayse Aytaman, MD and Danielle Brandman, MAS, MD.

CMS Open Payments shows 55 general payments to Dr. Fox from 6 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 83% of the total. Novo Nordisk Inc paid the most, $41,709.

Dmand AI lists 1 award for Dr. Fox, most recently CMS Stage 1 EHR in 2013.

Dr. Fox graduated from UC San Diego School of Medicine in 1997.

Dr. Fox is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.