John Gerard Devlin Jr., M.D.
NPI 1073728663ActiveIndividual· Internal Medicine, Hematology & Oncology· Bryn Mawr, PA
Internal Medicine, Hematology & Oncology (M.D.) in Bryn Mawr, Pennsylvania, trained at Temple University School of Medicine (class of 2001). In 2024 Medicare paid $4,726,505 for 452 patients, and Part D covered 1,149 of their prescriptions, 57% of them generic. Onmark, Inc. was the largest of 47 companies reporting payments in 2025, $9,168 in all, mostly food and beverage.
Overview
| NPI | 1073728663 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 14, 2007 |
| Last updated in NPPES | Aug 13, 2025 |
| Certified by provider | Aug 13, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD423240 | 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 - Hematology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 452 |
|---|---|
| Services billed | 324,235 across 123 procedure codes |
| Paid by Medicare | $4,726,505 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,149 · 1,717 30-day fills |
|---|---|
| Patients | 219 |
| Total drug cost | $3,063,320 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | Temple University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Hematology |
| 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
- Riddle Memorial HospitalMedia, PA
Other facilities
- Main Line Health Home Care & Hospice - Home HealthHome health agency · Radnor, PA
Industry payments (Open Payments)
- 2025$9,168 · 249 payments from 47 companies
- 2024$4,991 · 236 payments from 44 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Onmark, Inc. | $3,988 | 10 |
| Astrazeneca Pharmaceuticals LP | $626.87 | 29 |
| Novartis Pharmaceuticals Corporation | $374.40 | 17 |
| Abbvie Inc. | $361.93 | 16 |
| Pfizer Inc. | $357.97 | 20 |
What the 2025 payments were for
- Food and Beverage$6,549 · 245 payments
- Travel and Lodging$2,530 · 2 payments
- Education$68.95 · 1 payment
- Gift$19.74 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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