Thomas C. Fiel, D.O.
NPI 1235134552ActiveIndividual· Family Medicine, Sports Medicine· Tempe, AZ
Family Medicine, Sports Medicine (D.O.) in Tempe, Arizona, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $693,287 for 4,764 claims, against $233,184 paid for services in 2024. Eisai Inc. was the largest of 21 companies reporting payments in 2025, $955.51 in all, mostly food and beverage.
Overview
| NPI | 1235134552 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Jun 14, 2005 |
| Last updated in NPPES | Dec 28, 2023 |
| Certified by provider | Dec 28, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Sports Medicine Primary | 207QS0010X | 2665 | AZ |
| Family Medicine | 207Q00000X | 2665 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| 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 - Family Practice (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 497 |
|---|---|
| Services billed | 12,267 across 111 procedure codes |
| Paid by Medicare | $233,184 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,764 · 9,735 30-day fills |
|---|---|
| Patients | 572 |
| Total drug cost | $693,287 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Thomas C Fiel DO PCTempe, AZ · 4 clinicians
Industry payments (Open Payments)
- 2025$955.51 · 48 payments from 21 companies
- 2024$1,117 · 63 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eisai Inc. | $233.18 | 8 |
| Pfizer Inc. | $124.12 | 8 |
| Glaxosmithkline, LLC. | $80.17 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $76.01 | 4 |
| Novo Nordisk Inc | $62.82 | 4 |
What the 2025 payments were for
- Food and Beverage$955.51 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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