Douglas R. Dreffer, M.D.
NPI 1316940802ActiveIndividual· Family Medicine· Derry, NH
Family Medicine (M.D.) in Derry, New Hampshire, trained at Ohio State University College of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $363,975 for 5,287 claims, against $166,062 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $1,818 in all, mostly food and beverage.
Overview
| NPI | 1316940802 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 27, 2005 |
| Last updated in NPPES | Aug 8, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 10861 | NH |
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 (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 722 |
|---|---|
| Services billed | 2,727 across 122 procedure codes |
| Paid by Medicare | $166,062 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,287 · 10,889 30-day fills |
|---|---|
| Patients | 631 |
| Total drug cost | $363,975 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Derry Medical Center, PALondonderry, NH · 99 clinicians
Hospital affiliations
- Catholic Medical CenterManchester, NH
- Concord HospitalConcord, NH
- Elliot HospitalManchester, NH
Other facilities
- Amedisys Home HealthHome health agency · Portsmouth, NH
- Granite Vna, IncHome health agency · Concord, NH
Industry payments (Open Payments)
- 2025$1,818 · 86 payments from 17 companies
- 2024$1,162 · 52 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $571.47 | 24 |
| Lilly USA, LLC | $241.78 | 12 |
| Novo Nordisk Inc | $173.68 | 7 |
| Pfizer Inc. | $165.34 | 13 |
| Astrazeneca Pharmaceuticals LP | $124.92 | 7 |
What the 2025 payments were for
- Food and Beverage$1,818 · 86 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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