Carylann Hadjiyane, M.D.
NPI 1003816786ActiveIndividual· Internal Medicine, Gastroenterology· New Hyde Park, NY
Internal Medicine, Gastroenterology (M.D.) in New Hyde Park, New York, trained at State University of New York Downstate Medical Center (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $231,219 for 1,419 claims, against $116,208 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 2 companies reporting payments in 2025, $171.99 in all, mostly food and beverage.
Overview
| NPI | 1003816786 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 26, 2005 |
| Last updated in NPPES | Mar 3, 2021 |
| Certified by provider | Mar 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 170682 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 402 |
|---|---|
| Services billed | 777 across 22 procedure codes |
| Paid by Medicare | $116,208 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,419 · 3,105 30-day fills |
|---|---|
| Patients | 414 |
| Total drug cost | $231,219 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- New York UniversityNew York, NY · 6,134 clinicians
Hospital affiliation
- NYU Langone HospitalsNew York, NY
Industry payments (Open Payments)
- 2025$171.99 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $150.00 | 1 |
| Capsovision, Inc. | $21.99 | 1 |
What the 2025 payments were for
- Food and Beverage$171.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in New Hyde Park
- 1144779620
- 1629106885
- 1255660643
- 1730120536
- 1275500159
- 1649717810
- 1427594464
- 1982021671
- 1194878967
- 1548389737
- 1417354929
- 1477605392
All Internal Medicine, Gastroenterology providers in New York →