Ruth F. Quarles, M.D.
NPI 1508892811ActiveIndividual· Family Medicine· Cortland, OH
Family Medicine (M.D.) in Cortland, Ohio, trained at Meharry Medical College School of Medicine (class of 1981). 20 Medicare patients in 2024, $1,640 paid; nearly all of their 70 Part D prescriptions were generic (94%). Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $95.06 in all, mostly food and beverage.
Overview
| NPI | 1508892811 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 26, 2006 |
| Last updated in NPPES | Sep 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 35049709 | 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 | 20 |
|---|---|
| Services billed | 39 across 18 procedure codes |
| Paid by Medicare | $1,640 |
Part D prescriptions in 2024
| Prescriptions (claims) | 70 · 93 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $1,360 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Meharry Medical College School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Family Practice |
Medical group
- Trumbull Mahoning Medical Group, Inc.Austintown, OH · 7 clinicians
Industry payments (Open Payments)
- 2025$95.06 · 5 payments from 4 companies
- 2024$19.73 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $38.47 | 2 |
| Exact Sciences Corporation | $24.25 | 1 |
| Esperion Therapeutics, Inc. | $16.91 | 1 |
| Lilly USA, LLC | $15.43 | 1 |
What the 2025 payments were for
- Food and Beverage$95.06 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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