Margaret Macmillan, D.O.
NPI 1265682462ActiveIndividual· Internal Medicine· Rockledge, FL
Internal Medicine (D.O.) with Comprehensive Hospitalists of Ms, LLC, practicing in Rockledge, Florida. In 2024 Medicare paid $110,114 for 464 patients, and Part D covered 394 of their prescriptions, 85% of them generic. Merck Sharp & Dohme LLC was the largest of 3 companies reporting payments in 2025, $73.28 in all, mostly food and beverage. Lists Baptist Memorial Hospital North Ms and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1265682462 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Sep 24, 2008 |
| Last updated in NPPES | Sep 15, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | OS 10694 | FL |
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 - Internal Medicine (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 464 |
|---|---|
| Services billed | 1,225 across 8 procedure codes |
| Paid by Medicare | $110,114 |
Part D prescriptions in 2024
| Prescriptions (claims) | 394 · 399 30-day fills |
|---|---|
| Patients | 167 |
| Total drug cost | $26,327 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Comprehensive Hospitalists of Ms, LLCOxford, MS · 37 clinicians
Hospital affiliations
- Baptist Memorial Hospital North MsOxford, MS
- Baptist Memorial Hospital Union CountyNew Albany, MS
- Bolivar Medical CenterCleveland, MS
Industry payments (Open Payments)
- 2025$73.28 · 4 payments from 3 companies
- 2024$61.82 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $41.41 | 2 |
| Paratek Pharmaceuticals, Inc. | $18.88 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $12.99 | 1 |
What the 2025 payments were for
- Food and Beverage$73.28 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 internal medicine physicians in Rockledge · All internal medicine physicians in Florida