Stephen Ross Barter, M.D.
NPI 1689779092ActiveIndividual· Family Medicine· Naples, ME
Family Medicine (M.D.) in Naples, Maine, trained at Tufts University School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $1,020,172 for 8,542 claims, against $51,250 paid for services in 2024. Pfizer Inc. was the largest of 13 companies reporting payments in 2025, $734.28 in all, mostly food and beverage.
Overview
| NPI | 1689779092 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 13, 2006 |
| Last updated in NPPES | Jun 2, 2025 |
| Certified by provider | May 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 11337 | 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 - Family Practice (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 185 |
|---|---|
| Services billed | 1,058 across 41 procedure codes |
| Paid by Medicare | $51,250 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,542 · 19,610 30-day fills |
|---|---|
| Patients | 563 |
| Total drug cost | $1,020,172 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Family Practice |
Hospital affiliations
- Bridgton HospitalBridgton, ME
- Mainehealth Maine Medical CenterPortland, ME
- Mainehealth Stephens HospitalNorway, ME
- Northern Light Mercy HospitalPortland, ME
Other facilities
- Andwell Health PartnersHome health agency · Lewiston, ME
Industry payments (Open Payments)
- 2025$734.28 · 42 payments from 13 companies
- 2024$998.87 · 54 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $137.94 | 12 |
| Novo Nordisk Inc | $96.23 | 5 |
| Phathom Pharmaceuticals, Inc. | $78.84 | 4 |
| Glaxosmithkline, LLC. | $78.79 | 4 |
| Abbvie Inc. | $65.92 | 4 |
What the 2025 payments were for
- Food and Beverage$734.28 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records