Margaret Grossman, DO
NPI 1538389101ActiveIndividual· General Practice· Orangeburg, SC
General Practice (DO) in Orangeburg, South Carolina, trained at Michigan State University College of Osteopathic Medicine (class of 1990). Part D covered 11,168 prescriptions written in 2024, 81% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 19 companies reporting payments in 2025, $1,433 in all, mostly food and beverage.
Overview
| NPI | 1538389101 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 26, 2007 |
| Last updated in NPPES | Jun 16, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 1139 | SC |
| Family Medicine, Geriatric Medicine | 207QG0300X | 1139 | SC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Practice (SC) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 11,168 · 23,281 30-day fills |
|---|---|
| Patients | 575 |
| Total drug cost | $1,850,201 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | General Practice |
Medical group
- Singleton Health Center LLCOrangeburg, SC · 2 clinicians
Hospital affiliation
- Musc Medical CenterCharleston, SC
Other facilities
- Amedisys Home Health of LexingtonHome health agency · Lexington, SC
- Centerwell Home HealthHome health agency · Columbia, SC
- Medical Services of America Hospice-ColumbiaHospice · Columbia, SC
Industry payments (Open Payments)
- 2025$1,433 · 81 payments from 19 companies
- 2024$1,728 · 103 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $382.27 | 30 |
| Bayer Healthcare Pharmaceuticals Inc. | $198.42 | 9 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $187.96 | 10 |
| Corcept Therapeutics | $132.54 | 6 |
| Amgen Inc. | $79.12 | 5 |
What the 2025 payments were for
- Food and Beverage$1,433 · 81 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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