Gary Ronald Johnson, M.D.
Family Medicine (M.D.) in San Andreas, California, trained at University of California, San Diego School of Medicine (class of 1973). Their prescriptions cost Medicare Part D more than their services did: $1,139,367 for 11,260 claims, against $325,903 paid for services in 2024. Corcept Therapeutics was the largest of 14 companies reporting payments in 2025, $1,149 in all, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1114013513 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 4, 2006 |
| Last updated in NPPES | Nov 5, 2024 |
| Certified by provider | Nov 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G27755 | CA |
| General Practice | 208D00000X | G27755 | CA |
| Internal Medicine | 207R00000X | G27755 | CA |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Gary M. Johnson · Chiropractic | 1128b14 | Feb 19, 1998 | N Hollywood, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,292 |
|---|---|
| Services billed | 4,891 across 98 procedure codes |
| Paid by Medicare | $325,903 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,260 · 18,877 30-day fills |
|---|---|
| Patients | 501 |
| Total drug cost | $1,139,367 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | General Practice |
| Telehealth | Offers telehealth |
Medical group
- Heritage Health Center IncJackson, CA · 4 clinicians
Hospital affiliations
- Adventist Health SonoraSonora, CA
- Mark Twain Medical CenterSan Andreas, CA
- Sutter Amador HospitalJackson, CA
- Sutter Medical Center, SacramentoSacramento, CA
- Sutter Roseville Medical CenterRoseville, CA
Other facilities
- Alpine Home Health Services LLCHome health agency · Sacramento, CA
- Iron Point Home Health Care IncHome health agency · Folsom, CA
- Sutter Care at HomeHome health agency · Sacramento, CA
- United Home Care of Northern CaliforniaHome health agency · Jackson, CA
- Golden San Andreas Care CenterNursing home · San Andreas, CA
Industry payments (Open Payments)
- 2025$1,149 · 67 payments from 14 companies
- 2024$634.26 · 29 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Corcept Therapeutics | $776.72 | 50 |
| Amgen Inc. | $92.71 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $42.50 | 2 |
| Lilly USA, LLC | $27.97 | 1 |
| Lundbeck LLC | $26.75 | 1 |
What the 2025 payments were for
- Food and Beverage$1,149 · 67 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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