Jennifer M. Lewis, MD
NPI 1003075771ActiveIndividual· Internal Medicine, Gastroenterology· Somersworth, NH
Internal Medicine, Gastroenterology (MD) with Atlantic Digestive Specialists PLLC, practicing in Somersworth, New Hampshire. Their prescriptions cost Medicare Part D more than their services did: $295,344 for 1,018 claims, against $190,064 paid for services in 2024. Genzyme Corporation was the largest of 2 companies reporting payments in 2025, $102.97 in all, mostly food and beverage. Lists Frisbie Memorial Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1003075771 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 6, 2008 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 18257 | NH |
| Internal Medicine | 207R00000X | 018816 | ME |
| Internal Medicine | 207R00000X | 18257 | NH |
| Internal Medicine, Gastroenterology | 207RG0100X | 018816 | ME |
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 - Gastroenterology (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 603 |
|---|---|
| Services billed | 5,958 across 49 procedure codes |
| Paid by Medicare | $190,064 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,018 · 1,997 30-day fills |
|---|---|
| Patients | 260 |
| Total drug cost | $295,344 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Atlantic Digestive Specialists PLLCSomersworth, NH · 17 clinicians
Hospital affiliations
- Frisbie Memorial HospitalRochester, NH
- Portsmouth Regional HospitalPortsmouth, NH
- Wentworth-Douglass HospitalDover, NH
- York HospitalYork, ME
Industry payments (Open Payments)
- 2025$102.97 · 3 payments from 2 companies
- 2024$243.03 · 12 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $61.96 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $41.01 | 2 |
What the 2025 payments were for
- Food and Beverage$102.97 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Gastroenterology providers in New Hampshire →