Brandon Gregory Twombly, DO
NPI 1013595396ActiveIndividual· Family Medicine· Bryn Mawr, PA
Family Medicine (DO) in Bryn Mawr, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 2021). Their prescriptions cost Medicare Part D more than their services did: $68,606 for 636 claims, against $9,476 paid for services in 2024. Abbvie Inc. was the largest of 22 companies reporting payments in 2025, $1,495 in all, mostly food and beverage.
Overview
| NPI | 1013595396 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 30, 2021 |
| Last updated in NPPES | Oct 7, 2026 |
| Certified by provider | Oct 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | OS022995 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 57 |
|---|---|
| Services billed | 126 across 24 procedure codes |
| Paid by Medicare | $9,476 |
Part D prescriptions in 2024
| Prescriptions (claims) | 636 · 1,279 30-day fills |
|---|---|
| Patients | 134 |
| Total drug cost | $68,606 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
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
- Riddle Memorial HospitalMedia, PA
Other facilities
- Main Line Health Home Care & Hospice - Home HealthHome health agency · Radnor, PA
Industry payments (Open Payments)
- 2025$1,495 · 63 payments from 22 companies
- 2024$719.65 · 21 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $292.42 | 9 |
| Novo Nordisk Inc | $192.92 | 8 |
| Astrazeneca Pharmaceuticals LP | $121.88 | 7 |
| Pfizer Inc. | $83.39 | 4 |
| Lundbeck LLC | $80.40 | 4 |
What the 2025 payments were for
- Food and Beverage$1,495 · 63 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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