Michael John Koriwchak, M.D.
NPI 1720085756ActiveIndividual· Otolaryngology· Atlanta, GA
Otolaryngology (M.D.) in Atlanta, Georgia, trained at Duke University School of Medicine (class of 1988). 481 Medicare patients in 2024, $157,462 paid; nearly all of their 1,500 Part D prescriptions were generic (96%). Aerin Medical Inc. was the largest of 8 companies reporting payments in 2025, $906.69 in all, mostly food and beverage.
Overview
| NPI | 1720085756 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 6, 2005 |
| Last updated in NPPES | Feb 1, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 040130 | GA |
| Otolaryngology, Sleep Medicine | 207YS0012X | 040130 | GA |
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 - Otolaryngology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 481 |
|---|---|
| Services billed | 1,306 across 53 procedure codes |
| Paid by Medicare | $157,462 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,500 · 2,678 30-day fills |
|---|---|
| Patients | 419 |
| Total drug cost | $37,918 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Otolaryngology |
Medical groups
- Georgia Surgical Professional Services LLCAtlanta, GA · 38 clinicians
- ENT of Georgia, LLCAtlanta, GA · 12 clinicians
Hospital affiliations
- Emory Decatur HospitalDecatur, GA
- Northside HospitalAtlanta, GA
- Northside Hospital ForsythCumming, GA
- Saint Joseph's Hospital of Atlanta, IncAtlanta, GA
Industry payments (Open Payments)
- 2025$906.69 · 26 payments from 8 companies
- 2024$1,948 · 28 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aerin Medical Inc. | $303.55 | 5 |
| Regeneron Healthcare Solutions, Inc. | $288.68 | 8 |
| Genzyme Corporation | $96.67 | 3 |
| Glaxosmithkline, LLC. | $71.17 | 4 |
| Ars Pharmaceuticals Operations, Inc. | $51.42 | 2 |
What the 2025 payments were for
- Food and Beverage$906.69 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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