Margaret Bell McPherson, M.D.
NPI 1316074461ActiveIndividual· Family Medicine· Bryn Mawr, PA
Family Medicine (M.D.) with Bryn Mawr Medical Specialists Association, practicing in Bryn Mawr, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $685,200 for 9,530 claims, against $143,376 paid for services in 2024. Novo Nordisk Inc was the largest of 18 companies reporting payments in 2025, $1,247 in all, mostly food and beverage. Lists Bryn Mawr Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1316074461 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 27, 2007 |
| Last updated in NPPES | Jul 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 046445-L | 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 | 505 |
|---|---|
| Services billed | 2,345 across 39 procedure codes |
| Paid by Medicare | $143,376 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,530 · 20,710 30-day fills |
|---|---|
| Patients | 721 |
| Total drug cost | $685,200 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Family Practice |
| Secondary specialties | Internal Medicine |
Medical group
- Bryn Mawr Medical Specialists AssociationBryn Mawr, PA · 134 clinicians
Hospital affiliations
- Bryn Mawr HospitalBryn Mawr, PA
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Main Line Hospital LankenauWynnewood, PA
- Paoli HospitalPaoli, PA
Other facilities
- Main Line Health Home Care & Hospice - Home HealthHome health agency · Radnor, PA
- Waverly HeightsNursing home · Gladwyne, PA
Industry payments (Open Payments)
- 2025$1,247 · 57 payments from 18 companies
- 2024$1,324 · 65 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $234.66 | 10 |
| Abbvie Inc. | $212.48 | 11 |
| Pfizer Inc. | $163.66 | 8 |
| Exact Sciences Corporation | $79.82 | 3 |
| Glaxosmithkline, LLC. | $72.46 | 3 |
What the 2025 payments were for
- Food and Beverage$1,247 · 57 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 family medicine physicians in Bryn Mawr · All family medicine physicians in Pennsylvania