John William Adams, DO
NPI 1548262900ActiveIndividual· Internal Medicine, Medical Oncology· Arlington, TX
Internal Medicine, Medical Oncology (DO) in Arlington, Texas, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 1975). In 2024 Medicare paid $1,514,625 for 352 patients, and Part D covered 1,126 of their prescriptions, 84% of them generic. Novartis Pharmaceuticals Corporation was the largest of 18 companies reporting payments in 2025, $1,950 in all, mostly device and supply loans.
Overview
| NPI | 1548262900 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 15, 2005 |
| Last updated in NPPES | Apr 13, 2024 |
| Certified by provider | Apr 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | F2145 | TX |
| Internal Medicine, Hematology & Oncology | 207RH0003X | F2145 | TX |
| Internal Medicine, Hematology & Oncology | 207RH0003X | OS3674 | FL |
| Internal Medicine, Hematology & Oncology | 207RH0003X | DOS-561 | HI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 352 |
|---|---|
| Services billed | 89,608 across 140 procedure codes |
| Paid by Medicare | $1,514,625 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,126 · 1,603 30-day fills |
|---|---|
| Patients | 175 |
| Total drug cost | $2,020,322 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 1975 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Texas Oncology PAPlano, TX · 1,014 clinicians
Hospital affiliations
- Methodist Mansfield Medical CenterMansfield, TX
- Texas Health Arlington Memorial HospitalArlington, TX
Other facilities
- Trinity HospiceHospice · Garland, TX
Industry payments (Open Payments)
- 2025$1,950 · 41 payments from 18 companies
- 2024$359.85 · 18 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $1,146 | 14 |
| Abbvie Inc. | $144.89 | 3 |
| Astellas Pharma US Inc | $104.41 | 2 |
| Pfizer Inc. | $64.53 | 3 |
| Regeneron Healthcare Solutions, Inc. | $61.93 | 2 |
What the 2025 payments were for
- Long term medical supply or device loan$1,097 · 11 payments
- Food and Beverage$659.75 · 27 payments
- Education$193.39 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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