John Anthony Griffin, M.D.
Colon & Rectal Surgery (M.D.) with Faculty Physicians and Surgeons of Llusm, practicing in Loma Linda, California. In 2024 Medicare paid $52,991 for 112 patients, and Part D covered 222 of their prescriptions, 80% of them generic. Myriad Genetic Laboratories, Inc. was the largest of 6 companies reporting payments in 2025, $804.57 in all, mostly food and beverage. Lists Loma Linda University Medical Center and 1 other hospital as hospital affiliations. 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 | 1821014903 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 14, 2006 |
| Last updated in NPPES | Oct 21, 2025 |
| Certified by provider | Oct 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | C202417 | CA |
| Colon & Rectal Surgery | 208C00000X | MD60664479 | WA |
| Colon & Rectal Surgery | 208C00000X | 5306253-1205 | UT |
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 | John Joseph Griffin · Nurse/Nurses Aide | 1128b4 | Sep 20, 2010 | Carlsbad, 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 - Surgical Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 112 |
|---|---|
| Services billed | 312 across 49 procedure codes |
| Paid by Medicare | $52,991 |
Part D prescriptions in 2024
| Prescriptions (claims) | 222 · 222 30-day fills |
|---|---|
| Patients | 116 |
| Total drug cost | $9,290 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Surgical Oncology |
Medical group
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
Hospital affiliations
- Loma Linda University Medical CenterLoma Linda, CA
- Loma Linda University Medical Center-MurrietaMurrieta, CA
Industry payments (Open Payments)
- 2025$804.57 · 7 payments from 6 companies
- 2024$669.47 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Myriad Genetic Laboratories, Inc. | $169.03 | 1 |
| Medtronic, Inc. | $148.91 | 1 |
| Ethicon US, LLC | $141.71 | 2 |
| Baxter Healthcare | $140.28 | 1 |
| Vertex Pharmaceuticals Incorporated | $125.00 | 1 |
What the 2025 payments were for
- Food and Beverage$804.57 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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