John Tsialas, D.O.
NPI 1629008602ActiveIndividual· Family Medicine· Syosset, NY
Family Medicine (D.O.) in Syosset, New York, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 1994). 735 Medicare patients in 2024, $82,542 paid; nearly all of their 479 Part D prescriptions were generic (90%).
Overview
| NPI | 1629008602 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 4, 2006 |
| Last updated in NPPES | Jun 13, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 205013 | 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 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 - Family Practice (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 735 |
|---|---|
| Services billed | 1,316 across 52 procedure codes |
| Paid by Medicare | $82,542 |
Part D prescriptions in 2024
| Prescriptions (claims) | 479 · 484 30-day fills |
|---|---|
| Patients | 384 |
| Total drug cost | $15,229 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Family Practice |
Medical group
- City Medical of Upper East Side PLLCAstoria, NY · 658 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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