Arnab Saha, DO
NPI 1003338641ActiveIndividual· Internal Medicine· Springfield, MA
Internal Medicine (DO) with Baystate Medical Practices Inc, practicing in Springfield, Massachusetts. Mostly services rather than prescriptions: Medicare paid $18,677 for 154 patients in 2024, with only 11 Part D claims. Janssen Scientific Affairs, LLC reported $28.14 in payments in 2025, mostly food and beverage. Lists Baystate Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1003338641 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 14, 2017 |
| Last updated in NPPES | Sep 22, 2020 |
| Certified by provider | Sep 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 283431 | MA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 154 |
|---|---|
| Services billed | 159 across 8 procedure codes |
| Paid by Medicare | $18,677 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11 · 17 30-day fills |
|---|---|
| Total drug cost | $71.42 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Baystate Medical Practices IncSpringfield, MA · 1,369 clinicians
Hospital affiliations
- Baystate Medical CenterSpringfield, MA
- Baystate Noble HospitalWestfield, MA
- Baystate Wing HospitalPalmer, MA
Industry payments (Open Payments)
- 2025$28.14 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Scientific Affairs, LLC | $28.14 | 1 |
What the 2025 payments were for
- Food and Beverage$28.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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