Gerayu Niyakorn, MD
NPI 1356535116ActiveIndividual· Anesthesiology· Saint Joseph, MO
Anesthesiology (MD) in Saint Joseph, Missouri, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 2007). Medicare paid $37,048 for services to 454 patients in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $46.29 in all, mostly food and beverage.
Overview
| NPI | 1356535116 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 4, 2007 |
| Last updated in NPPES | Oct 9, 2024 |
| Certified by provider | Oct 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 2022017853 | MO |
| Anesthesiology | 207L00000X | 57.013260 | OH |
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 - Anesthesiology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 454 |
|---|---|
| Services billed | 509 across 71 procedure codes |
| Paid by Medicare | $37,048 |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Anesthesiology |
Medical group
- Heartland Regional Medical CenterSt Joseph, MO · 394 clinicians
Hospital affiliation
- Mosaic Life Care at St JosephSaint Joseph, MO
Industry payments (Open Payments)
- 2025$46.29 · 2 payments from 2 companies
- 2024$60.90 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $30.32 | 1 |
| Janssen Biotech, Inc. | $15.97 | 1 |
What the 2025 payments were for
- Food and Beverage$46.29 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Anesthesiology providers in Saint Joseph
- 1700854783
- 1336110097
- 1992774905
- 1841432689
- 1629046255
- 1679815740
- 1376986323
- 1750624235
- 1023334042
- 1295112076
- 1083810196
- 1427027069