William Gallagher, MD
NPI 1437187648ActiveIndividual· Family Medicine· Colmar Manor, MD
Family Medicine (MD) in Colmar Manor, Maryland, trained at Temple University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $295,347 for 1,886 claims, against $24,410 paid for services in 2024.
Overview
| NPI | 1437187648 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 28, 2006 |
| Last updated in NPPES | Oct 22, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | D47141 | MD |
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 (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 147 |
|---|---|
| Services billed | 444 across 39 procedure codes |
| Paid by Medicare | $24,410 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,886 · 3,921 30-day fills |
|---|---|
| Patients | 323 |
| Total drug cost | $295,347 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Temple University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Hospital affiliation
- Medstar Washington Hospital CenterWashington, DC
Other facilities
- Medstar Health Home CareHome health agency · Hyattsville, MD
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 family medicine physicians in Colmar Manor · All family medicine physicians in Maryland