Sylvester Dorobisz, MD
NPI 1508363789ActiveIndividual· Internal Medicine, Nephrology· West Haven, CT
Internal Medicine, Nephrology (MD) with Hhc Physician Services PLLC, practicing in West Haven, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $47,064 for 188 claims, against $29,942 paid for services in 2024. Vantive US Healthcare LLC reported $115.16 in payments in 2025, mostly food and beverage. Lists Bridgeport Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1508363789 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 12, 2018 |
| Last updated in NPPES | Aug 8, 2023 |
| Certified by provider | Aug 8, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 72443 | CT |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Nephrology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 345 across 13 procedure codes |
| Paid by Medicare | $29,942 |
Part D prescriptions in 2024
| Prescriptions (claims) | 188 · 395 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $47,064 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Hhc Physician Services PLLCHamden, CT · 132 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- St Vincent's Medical CenterBridgeport, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$115.16 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vantive US Healthcare LLC | $115.16 | 1 |
What the 2025 payments were for
- Food and Beverage$115.16 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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