Michael Leonard Rubalsky, PHYSICIAN ASSISTANT
NPI 1407473697ActiveIndividual· Physician Assistant· Hamden, CT
Physician Assistant (PHYSICIAN ASSISTANT) with Margaret Chustecka Internal Medicine of Greater New Haven, practicing in Hamden, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $321,766 for 2,082 claims, against $35,992 paid for services in 2024. Lilly USA, LLC was the largest of 17 companies reporting payments in 2025, $1,505 in all, mostly food and beverage. Lists Yale-New Haven Hospital as a hospital affiliation.
Overview
| NPI | 1407473697 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PHYSICIAN ASSISTANT |
| Sole proprietor | No |
| NPI issued | Jul 3, 2020 |
| Last updated in NPPES | Aug 15, 2021 |
| Certified by provider | Aug 15, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 4867 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 194 |
|---|---|
| Services billed | 653 across 27 procedure codes |
| Paid by Medicare | $35,992 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,082 · 4,898 30-day fills |
|---|---|
| Patients | 247 |
| Total drug cost | $321,766 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Margaret Chustecka Internal Medicine of Greater New HavenHamden, CT · 30 clinicians
Hospital affiliation
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$1,505 · 79 payments from 17 companies
- 2024$801.66 · 42 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $262.40 | 13 |
| Astrazeneca Pharmaceuticals LP | $245.47 | 16 |
| Novo Nordisk Inc | $192.38 | 9 |
| Abbvie Inc. | $184.29 | 9 |
| Glaxosmithkline, LLC. | $141.97 | 8 |
What the 2025 payments were for
- Food and Beverage$1,505 · 79 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant providers in Hamden
- 1164041943
- 1093527616
- 1396217675
- 1659352482
- 1346624723
- 1447832266
- 1588522742
- 1801047337
- 1134304017
- 1710470034
- 1730978834
- 1871031492