Kenneth Mills, M.D.
NPI 1023016292ActiveIndividual· Internal Medicine· San Francisco, CA
Internal Medicine (M.D.) in San Francisco, California, trained at Michigan State University College of Human Medicine (class of 1973). Their prescriptions cost Medicare Part D more than their services did: $1,116,004 for 2,193 claims, against $45,893 paid for services in 2024. Viiv Healthcare Company was the largest of 9 companies reporting payments in 2025, $1,089 in all, mostly food and beverage.
Overview
| NPI | 1023016292 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 12, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G27664 | 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 | 80 |
|---|---|
| Services billed | 625 across 22 procedure codes |
| Paid by Medicare | $45,893 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,193 · 3,943 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $1,116,004 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mercy Doctors Medical Group, IncSan Francisco, CA · 8 clinicians
Hospital affiliations
- Marinhealth Medical CenterGreenbrae, CA
- UCSF Health St. Mary's HospitalSan Francisco, CA
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$1,089 · 41 payments from 9 companies
- 2024$848.50 · 39 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viiv Healthcare Company | $425.95 | 15 |
| Gilead Sciences, Inc. | $237.53 | 10 |
| Merck Sharp & Dohme LLC | $208.82 | 8 |
| Abbvie Inc. | $60.35 | 2 |
| Theratechnologies Inc. | $57.57 | 2 |
What the 2025 payments were for
- Food and Beverage$1,089 · 41 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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