Yiannis Apergis, M.D.
NPI 1104176122ActiveIndividual· Emergency Medicine· Stamford, CT
Emergency Medicine (M.D.) with Nuvance Health Medical Practice CT Inc and 1 other group, practicing in Stamford, Connecticut. In 2024 Medicare paid $141,477 for 611 patients, and Part D covered 360 of their prescriptions, 83% of them generic. Lists Danbury Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1104176122 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 18, 2012 |
| Last updated in NPPES | Feb 8, 2024 |
| Certified by provider | Feb 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 053299 | CT |
| Internal Medicine | 207R00000X | 53299 | CT |
| Hospitalist | 208M00000X | 053299 | 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 - Internal Medicine (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 611 |
|---|---|
| Services billed | 1,686 across 15 procedure codes |
| Paid by Medicare | $141,477 |
Part D prescriptions in 2024
| Prescriptions (claims) | 360 · 430 30-day fills |
|---|---|
| Patients | 144 |
| Total drug cost | $29,951 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Nuvance Health Medical Practice CT IncDanbury, CT · 747 clinicians
- Stamford Health Medical Group IncStamford, CT · 444 clinicians
Hospital affiliations
- Danbury HospitalDanbury, CT
- Norwalk HospitalNorwalk, CT
- Stamford HospitalStamford, CT
Other facilities
- Constellation Home CareHospice · Norwalk, CT
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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All 24 emergency medicine physicians in Stamford · All emergency medicine physicians in Connecticut