Grace J. Stonerock, M.D.
NPI 1629234489ActiveIndividual· Family Medicine· Manassas, VA
Family Medicine (M.D.) in Manassas, Virginia, licensed in VA, with an NPI issued in July 2008. Their prescriptions cost Medicare Part D more than their services did: $714,069 for 7,998 claims, against $93,635 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 22 companies reporting payments in 2025, $3,364 in all, mostly food and beverage. Lists Fauquier Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1629234489 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 31, 2008 |
| Last updated in NPPES | Jul 15, 2023 |
| Certified by provider | Jul 15, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 0101045665 | VA |
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 (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 262 |
|---|---|
| Services billed | 1,565 across 38 procedure codes |
| Paid by Medicare | $93,635 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,998 · 17,705 30-day fills |
|---|---|
| Patients | 416 |
| Total drug cost | $714,069 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Hospital affiliations
- Fauquier HospitalWarrenton, VA
- Inova Mount Vernon HospitalAlexandria, VA
- Sentara Northern Virginia Medical CenterWoodbridge, VA
- Uva Health Haymarket Medical CenterHaymarket, VA
- Uva Health Prince William Medical CenterManassas, VA
Other facilities
- Alternate Solutions Home Health-FairfaxHome health agency · Fairfax, VA
Industry payments (Open Payments)
- 2025$3,364 · 179 payments from 22 companies
- 2024$2,987 · 171 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $557.09 | 30 |
| Abbvie Inc. | $399.73 | 25 |
| Verona Pharma, Inc. | $392.58 | 18 |
| Amgen Inc. | $381.87 | 20 |
| Novo Nordisk Inc | $298.77 | 18 |
What the 2025 payments were for
- Food and Beverage$3,336 · 177 payments
- Education$27.78 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 72 family medicine physicians in Manassas · All family medicine physicians in Virginia