Mary-Anne Ost, M.D.
NPI 1740249697ActiveIndividual· Family Medicine, Geriatric Medicine· West Grove, PA
Family Medicine, Geriatric Medicine (M.D.) in West Grove, Pennsylvania, licensed in PA, with an NPI issued in March 2006. Their prescriptions cost Medicare Part D more than their services did: $496,147 for 6,293 claims, against $114,609 paid for services in 2024. Novo Nordisk Inc was the largest of 9 companies reporting payments in 2025, $806.28 in all, mostly food and beverage. Lists Chester County Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1740249697 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 20, 2006 |
| Last updated in NPPES | Feb 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Geriatric Medicine Primary | 207QG0300X | MD039487L | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 206 |
|---|---|
| Services billed | 1,379 across 33 procedure codes |
| Paid by Medicare | $114,609 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,293 · 11,768 30-day fills |
|---|---|
| Patients | 269 |
| Total drug cost | $496,147 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Family Practice |
| Secondary specialties | Geriatric Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Chester County HospitalWest Chester, PA
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Paoli HospitalPaoli, PA
Other facilities
- Bayada Home Health Care, Inc.Home health agency · Exton, PA
- Penn Medicine Home HealthHome health agency · Bala Cynwyd, PA
- Willow Tree HospiceHospice · Kennett Square, PA
- Preston ResidenceNursing home · West Grove, PA
Industry payments (Open Payments)
- 2025$806.28 · 55 payments from 9 companies
- 2024$491.42 · 31 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $218.36 | 15 |
| Astrazeneca Pharmaceuticals LP | $217.22 | 14 |
| Pfizer Inc. | $150.97 | 16 |
| Abbvie Inc. | $74.82 | 3 |
| Astellas Pharma US Inc | $42.16 | 2 |
What the 2025 payments were for
- Food and Beverage$806.28 · 55 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine, Geriatric Medicine providers in West Grove
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All Family Medicine, Geriatric Medicine providers in Pennsylvania