David S. Fagan, MD
NPI 1841220423ActiveIndividual· Internal Medicine· Plymouth, NH
Internal Medicine (MD) in Plymouth, New Hampshire, trained at University of Maryland School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $543,190 for 5,852 claims, against $45,736 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $65.92 in all, mostly food and beverage.
Overview
| NPI | 1841220423 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 3, 2006 |
| Last updated in NPPES | Mar 26, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | NH8707 | NH |
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 (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 754 |
|---|---|
| Services billed | 2,184 across 88 procedure codes |
| Paid by Medicare | $45,736 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,852 · 13,109 30-day fills |
|---|---|
| Patients | 516 |
| Total drug cost | $543,190 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Internal Medicine |
Medical group
- Mid-State Health CenterPlymouth, NH · 32 clinicians
Hospital affiliations
- Cottage HospitalWoodsville, NH
- Speare Memorial HospitalPlymouth, NH
Other facilities
- Pemi Baker Community HealthHome health agency · Plymouth, NH
Industry payments (Open Payments)
- 2025$65.92 · 3 payments from 2 companies
- 2024$49.84 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $41.80 | 2 |
| Gilead Sciences, Inc. | $24.12 | 1 |
What the 2025 payments were for
- Food and Beverage$65.92 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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