Rena K. Fox, MD
NPI 1013067040ActiveIndividual· Internal Medicine· San Francisco, CA
Internal Medicine (MD) in San Francisco, California, trained at University of California, San Diego School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $265,246 for 3,265 claims, against $47,209 paid for services in 2024. Novo Nordisk Inc was the largest of 4 companies reporting payments in 2025, $42,055 in all, mostly consulting fees.
Overview
| NPI | 1013067040 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 11, 2007 |
| Last updated in NPPES | Jul 21, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A72286 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 233 |
|---|---|
| Services billed | 792 across 14 procedure codes |
| Paid by Medicare | $47,209 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,265 · 7,870 30-day fills |
|---|---|
| Patients | 294 |
| Total drug cost | $265,246 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
Other facilities
- By the Bay HealthHome health agency · Larkspur, CA
Industry payments (Open Payments)
- 2025$42,055 · 35 payments from 4 companies
- 2024$9,027 · 8 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $32,495 | 21 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $9,430 | 12 |
| Gilead Sciences, Inc. | $103.00 | 1 |
| Glaxosmithkline, LLC. | $27.02 | 1 |
What the 2025 payments were for
- Consulting Fee$34,879 · 9 payments
- Travel and Lodging$5,844 · 14 payments
- Food and Beverage$1,333 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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