Todd D. Mellish, DO
NPI 1255380044ActiveIndividual· Internal Medicine· Manchester, NH
Internal Medicine (DO) in Manchester, New Hampshire, trained at Midwestern University, Chicago College of Osteopathic Med (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $591,546 for 7,636 claims, against $178,498 paid for services in 2024. Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $467.43 in all, mostly food and beverage.
Overview
| NPI | 1255380044 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 9, 2006 |
| Last updated in NPPES | Feb 16, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 11330 | 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 | 483 |
|---|---|
| Services billed | 3,168 across 77 procedure codes |
| Paid by Medicare | $178,498 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,636 · 17,875 30-day fills |
|---|---|
| Patients | 514 |
| Total drug cost | $591,546 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Cora Health Services IncThe Villages, FL · 1,136 clinicians
- Southern New Hampshire Internal Medicine Associates PLLCWindham, NH · 20 clinicians
Hospital affiliations
- Catholic Medical CenterManchester, NH
- Concord HospitalConcord, NH
- Elliot HospitalManchester, NH
- Huggins HospitalWolfeboro, NH
- Mary Hitchcock Memorial HospitalLebanon, NH
Other facilities
- Amedisys Home HealthHome health agency · Portsmouth, NH
- Granite Vna, IncHome health agency · Concord, NH
- Vna Home Health and Hospice Services, IncHome health agency · Manchester, NH
Industry payments (Open Payments)
- 2025$467.43 · 24 payments from 7 companies
- 2024$581.77 · 27 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $288.63 | 15 |
| Astrazeneca Pharmaceuticals LP | $46.44 | 2 |
| Novo Nordisk Inc | $39.94 | 2 |
| Phathom Pharmaceuticals, Inc. | $35.13 | 2 |
| Baxter Healthcare | $24.89 | 1 |
What the 2025 payments were for
- Food and Beverage$467.43 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 116 internal medicine physicians in Manchester · All internal medicine physicians in New Hampshire