Douglas F. Marks Jr., M.D.
NPI 1013924240ActiveIndividual· Internal Medicine, Rheumatology· Manchester, NH
Internal Medicine, Rheumatology (M.D.) in Manchester, New Hampshire, trained at University of Massachusetts Medical School (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $678,275 for 1,192 claims, against $66,349 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2024, $82.26 in all, mostly food and beverage.
Overview
| NPI | 1013924240 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | Jul 20, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 12110 | 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 - Rheumatology (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 388 |
|---|---|
| Services billed | 1,465 across 15 procedure codes |
| Paid by Medicare | $66,349 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,192 · 2,736 30-day fills |
|---|---|
| Patients | 274 |
| Total drug cost | $678,275 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Elliot Professional ServicesManchester, NH · 427 clinicians
Hospital affiliation
- Elliot HospitalManchester, NH
Industry payments (Open Payments)
- 2024$82.26 · 4 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $61.53 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $20.73 | 2 |
What the 2024 payments were for
- Food and Beverage$82.26 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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