Monica Stephanie Chillianis, PA-C
NPI 1164101044ActiveIndividual· Physician Assistant· Halfmoon, NY
Physician Assistant (PA-C) with Schweiger Dermatology PLLC and 1 other group, practicing in Halfmoon, New York. 61 Medicare patients in 2024, $4,971 paid; nearly all of their 81 Part D prescriptions were generic (91%). Abbvie Inc. was the largest of 6 companies reporting payments in 2025, $602.04 in all, mostly food and beverage.
Overview
| NPI | 1164101044 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 17, 2023 |
| Last updated in NPPES | Nov 6, 2025 |
| Certified by provider | Nov 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 030204 | NY |
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 - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 61 |
|---|---|
| Services billed | 94 across 30 procedure codes |
| Paid by Medicare | $4,971 |
Part D prescriptions in 2024
| Prescriptions (claims) | 81 · 81 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $4,583 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Schweiger Dermatology PLLCNew York, NY · 260 clinicians
- Saratoga Dermatology PCHalfmoon, NY · 7 clinicians
Industry payments (Open Payments)
- 2025$602.04 · 26 payments from 6 companies
- 2024$83.53 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $283.55 | 15 |
| Janssen Biotech, Inc. | $169.74 | 6 |
| Abiomed | $63.24 | 2 |
| Galderma Laboratories, L.P. | $34.24 | 1 |
| Revance Therapeutics, Inc. | $26.97 | 1 |
What the 2025 payments were for
- Food and Beverage$492.40 · 24 payments
- Education$109.64 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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