Karolyn A. Chang, PA
NPI 1972862845ActiveIndividual· Physician Assistant· Carmel, NY
Physician Assistant (PA) with Stamford Health Medical Group Inc, practicing in Carmel, New York. 306 Medicare patients in 2024, $22,129 paid; nearly all of their 70 Part D prescriptions were generic (99%). Noctrix Health, Inc. reported $28.74 in payments in 2025, mostly food and beverage. Lists Greenwich Hospital Association - and 1 other hospital as hospital affiliations.
Overview
| NPI | 1972862845 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | May 11, 2012 |
| Last updated in NPPES | May 11, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 23015501 | 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 (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 306 |
|---|---|
| Services billed | 366 across 5 procedure codes |
| Paid by Medicare | $22,129 |
Part D prescriptions in 2024
| Prescriptions (claims) | 70 · 104 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $2,177 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Stamford Health Medical Group IncStamford, CT · 444 clinicians
Hospital affiliations
- Greenwich Hospital Association -Greenwich, CT
- Stamford HospitalStamford, CT
Industry payments (Open Payments)
- 2025$28.74 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Noctrix Health, Inc. | $28.74 | 1 |
What the 2025 payments were for
- Food and Beverage$28.74 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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