John Gerald Dowd, D.O.
NPI 1164498648ActiveIndividual· Internal Medicine, Gastroenterology· Manchester, NH
Internal Medicine, Gastroenterology (D.O.) with Emerson Practice Associates, Inc, practicing in Manchester, New Hampshire. Their prescriptions cost Medicare Part D more than their services did: $257,119 for 565 claims, against $84,512 paid for services in 2024. Abbvie Inc. was the largest of 8 companies reporting payments in 2025, $678.24 in all, mostly food and beverage. Lists Emerson Hospital - as a hospital affiliation.
Overview
| NPI | 1164498648 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Feb 24, 2006 |
| Last updated in NPPES | Nov 16, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 10860 | 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 - Osteopathic Manipulative Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 432 |
|---|---|
| Services billed | 666 across 44 procedure codes |
| Paid by Medicare | $84,512 |
Part D prescriptions in 2024
| Prescriptions (claims) | 565 · 1,084 30-day fills |
|---|---|
| Patients | 175 |
| Total drug cost | $257,119 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Osteopathic Manipulative Medicine |
| Telehealth | Offers telehealth |
Medical group
- Emerson Practice Associates, IncConcord, MA · 240 clinicians
Hospital affiliation
- Emerson Hospital -W Concord, MA
Industry payments (Open Payments)
- 2025$678.24 · 21 payments from 8 companies
- 2024$921.12 · 28 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $188.63 | 6 |
| Madrigal Pharmaceuticals | $171.35 | 4 |
| Janssen Biotech, Inc. | $128.91 | 1 |
| Genzyme Corporation | $44.55 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $43.00 | 2 |
What the 2025 payments were for
- Food and Beverage$678.24 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 21 gastroenterologists in Manchester · All gastroenterologists in New Hampshire