Theresa A. Dyar, D.O.
NPI 1043404932ActiveIndividual· Family Medicine· Lancaster, OH
Family Medicine (D.O.) in Lancaster, Ohio, trained at West Virginia School of Osteopathic Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $365,527 for 4,148 claims, against $63,155 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $863.75 in all, mostly food and beverage.
Overview
| NPI | 1043404932 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Sep 4, 2007 |
| Last updated in NPPES | Jul 13, 2023 |
| Certified by provider | Jul 13, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 34.009958 | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 221 |
|---|---|
| Services billed | 1,112 across 40 procedure codes |
| Paid by Medicare | $63,155 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,148 · 8,348 30-day fills |
|---|---|
| Patients | 349 |
| Total drug cost | $365,527 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | West Virginia School of Osteopathic Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Fairfield Community Health CenterLancaster, OH · 21 clinicians
- Arbor View Family Medicine Inc.Lancaster, OH · 3 clinicians
Hospital affiliations
- Fairfield Medical CenterLancaster, OH
- Hocking Valley Community HospitalLogan, OH
- Mount Carmel East & WestColumbus, OH
Other facilities
- Caretenders VnaHome health agency · Lancaster, OH
- Summit Orthopaedic Home CareHome health agency · Grandview Heights, OH
Industry payments (Open Payments)
- 2025$863.75 · 52 payments from 16 companies
- 2024$1,018 · 60 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $187.69 | 13 |
| Pfizer Inc. | $165.65 | 12 |
| Novo Nordisk Inc | $103.60 | 6 |
| Axsome Therapeutics, Inc. | $48.22 | 3 |
| Amgen Inc. | $47.01 | 3 |
What the 2025 payments were for
- Food and Beverage$863.75 · 52 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 63 family medicine physicians in Lancaster · All family medicine physicians in Ohio