Slawomir Pajak, M.D.
NPI 1235105206ActiveIndividual· Internal Medicine, Nephrology· North Dartmouth, MA
Internal Medicine, Nephrology (M.D.) with Lifespan Physician Group of Massachusetts Inc, practicing in North Dartmouth, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $567,458 for 5,385 claims, against $315,685 paid for services in 2024. Amgen Inc. was the largest of 4 companies reporting payments in 2025, $161.25 in all, mostly food and beverage. Lists Saint Anne's Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1235105206 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 28, 2006 |
| Last updated in NPPES | Apr 24, 2023 |
| Certified by provider | Apr 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 219648 | MA |
| Internal Medicine | 207R00000X | 219648 | 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 | 629 |
|---|---|
| Services billed | 18,838 across 65 procedure codes |
| Paid by Medicare | $315,685 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,385 · 12,536 30-day fills |
|---|---|
| Patients | 644 |
| Total drug cost | $567,458 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
Medical group
- Lifespan Physician Group of Massachusetts IncFall River, MA · 476 clinicians
Hospital affiliations
- Saint Anne's HospitalFall River, MA
- Southcoast Hospitals GroupFall River, MA
Other facilities
- Davita Weymouth DialysisDialysis facility · Weymouth, MA
- Fresenius Medical Care of FairhavenDialysis facility · Fairhaven, MA
- Hawthorn Kidney CenterDialysis facility · Dartmouth, MA
- Community Nurse, IncHome health agency · Fairhaven, MA
- Nightingale Visiting NursesHome health agency · Taunton, MA
- Southcoast Visiting Nurse Association IncHome health agency · Fairhaven, MA
Industry payments (Open Payments)
- 2025$161.25 · 9 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $117.15 | 5 |
| Ardelyx, Inc. | $21.40 | 1 |
| Vantive US Healthcare LLC | $19.93 | 1 |
| Travere Therapeutics, Inc. | $2.77 | 2 |
What the 2025 payments were for
- Food and Beverage$158.48 · 7 payments
- Education$2.77 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in North Dartmouth
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