James R. Gittzus, MD
NPI 1649359845ActiveIndividual· Internal Medicine· Pittsfield, MA
Internal Medicine (MD) in Pittsfield, Massachusetts, trained at University of Massachusetts Medical School (class of 1979). In 2024 Medicare paid $398,120 for 671 patients, and Part D covered 6,363 of their prescriptions, 82% of them generic. Exact Sciences Corporation was the largest of 11 companies reporting payments in 2025, $561.01 in all, mostly food and beverage.
Overview
| NPI | 1649359845 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 6, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 46698 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 671 |
|---|---|
| Services billed | 5,359 across 44 procedure codes |
| Paid by Medicare | $398,120 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,363 · 11,817 30-day fills |
|---|---|
| Patients | 462 |
| Total drug cost | $460,815 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Select Rehabilitation, LLCGlenview, IL · 2,046 clinicians
Hospital affiliations
- Berkshire Medical CenterPittsfield, MA
- Fairview HospitalGreat Barrington, MA
- North Adams Regional Hospital CorporationNorth Adams, MA
Other facilities
- Amedisys Home Health CareHome health agency · Agawam, MA
- Berkshire Visiting Nurse AssociationHome health agency · Pittsfield, MA
- Centerwell Home HealthHome health agency · Pittsfield, MA
- Hospicecare in the BerkshiresHospice · Pittsfield, MA
- Berkshire PlaceNursing home · Pittsfield, MA
Industry payments (Open Payments)
- 2025$561.01 · 26 payments from 11 companies
- 2024$239.77 · 12 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $115.88 | 6 |
| Indivior Inc. | $89.41 | 3 |
| Amgen Inc. | $77.96 | 4 |
| Lilly USA, LLC | $74.73 | 4 |
| Lundbeck LLC | $43.45 | 2 |
What the 2025 payments were for
- Food and Beverage$561.01 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 66 internal medicine physicians in Pittsfield · All internal medicine physicians in Massachusetts