Yan Zhang, MD, PHD
NPI 1851526651ActiveIndividual· Psychiatry & Neurology, Epilepsy· Hartford, CT
Psychiatry & Neurology, Epilepsy (MD, PHD) with Hartford Healthcare Medical Group Specialists PLLC, practicing in Hartford, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $1,173,696 for 1,920 claims, against $31,815 paid for services in 2024. Lists Hartford Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1851526651 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | May 21, 2009 |
| Last updated in NPPES | Jul 5, 2024 |
| Certified by provider | Jul 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Epilepsy Primary | 2084E0001X | 050161 | CT |
| Psychiatry & Neurology, Neurology | 2084N0400X | 050161 | CT |
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 - Neurology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 222 |
|---|---|
| Services billed | 353 across 20 procedure codes |
| Paid by Medicare | $31,815 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,920 · 3,417 30-day fills |
|---|---|
| Patients | 218 |
| Total drug cost | $1,173,696 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Hartford Healthcare Medical Group Specialists PLLCBridgeport, CT · 1,588 clinicians
Hospital affiliations
- Hartford HospitalHartford, CT
- Midstate Medical CenterMeriden, CT
- St Vincent's Medical CenterBridgeport, CT
- The Hospital of Central ConnecticutNew Britain, CT
- William W Backus HospitalNorwich, CT
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Epilepsy providers in Hartford
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- 1073806345
- 1780809541
- 1831503101
- 1942514773
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