Ferdinand J. Manahan, MD
NPI 1104805126ActiveIndividual· Internal Medicine· Scranton, PA
Internal Medicine (MD) in Scranton, Pennsylvania, licensed in PA, with an NPI issued in January 2006. 634 Medicare patients in 2024, $223,048 paid; nearly all of their 3,642 Part D prescriptions were generic (92%). Mallinckrodt Hospital Products Inc. was the largest of 17 companies reporting payments in 2025, $991.58 in all, mostly food and beverage. Lists Geisinger Wyoming Valley Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1104805126 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 10, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD043284E | PA |
| Internal Medicine, Nephrology | 207RN0300X | MD043284E | 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 - Internal Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 634 |
|---|---|
| Services billed | 2,455 across 19 procedure codes |
| Paid by Medicare | $223,048 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,642 · 6,393 30-day fills |
|---|---|
| Patients | 336 |
| Total drug cost | $216,962 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Geisinger Wyoming Valley Medical CenterWilkes Barre, PA
- Geisinger-Community Medical CenterScranton, PA
- Regional Hospital of ScrantonScranton, PA
- Wayne Memorial HospitalHonesdale, PA
- Wilkes-Barre General HospitalWilkes-Barre, PA
Other facilities
- Davita Commonwealth DialysisDialysis facility · Scranton, PA
- Davita Dunmore DialysisDialysis facility · Dunmore, PA
- Davita Eynon DialysisDialysis facility · Eynon, PA
- Davita Montage Home DialysisDialysis facility · Moosic, PA
- Davita Old Forge DialysisDialysis facility · Old Forge, PA
- Interim Healthcare Services of Ne PA, Inc.Home health agency · Blakely, PA
Industry payments (Open Payments)
- 2025$991.58 · 38 payments from 17 companies
- 2024$769.59 · 34 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $381.74 | 10 |
| Glaxosmithkline, LLC. | $125.75 | 1 |
| Ardelyx, Inc. | $68.19 | 4 |
| Novartis Pharmaceuticals Corporation | $61.97 | 3 |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | $49.96 | 3 |
What the 2025 payments were for
- Food and Beverage$891.59 · 37 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 158 internal medicine physicians in Scranton · All internal medicine physicians in Pennsylvania