John S. Gilliam, MD
NPI 1003877085ActiveIndividual· Family Medicine· Mayer, AZ
Family Medicine (MD) in Mayer, Arizona, trained at Oral Roberts University School of Medicine (class of 1986). Mostly services rather than prescriptions: Medicare paid $135,649 for 443 patients in 2024, with only 42 Part D claims. Medtronic, Inc. reported $200.34 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1003877085 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 30, 2006 |
| Last updated in NPPES | Jul 1, 2020 |
| Certified by provider | Jul 1, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 41469 | AZ |
| Emergency Medicine | 207P00000X | 16226 | OK |
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 - Family Practice (AZ); Practitioner - Family Practice (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 443 |
|---|---|
| Services billed | 1,769 across 63 procedure codes |
| Paid by Medicare | $135,649 |
Part D prescriptions in 2024
| Prescriptions (claims) | 42 · 64 30-day fills |
|---|---|
| Total drug cost | $15,363 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Oral Roberts University School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Family Practice |
Medical group
- Carelock LLCPhoenix, AZ · 13 clinicians
Industry payments (Open Payments)
- 2024$200.34 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $200.34 | 1 |
What the 2024 payments were for
- Food and Beverage$200.34 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine providers in Mayer
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