John Mergo, DO
NPI 1952301749ActiveIndividual· Anesthesiology· Chillicothe, OH
Anesthesiology (DO) in Chillicothe, Ohio, trained at Midwestern University, Chicago College of Osteopathic Med (class of 1989). Enrolled in Medicare as practitioner - anesthesiology. Regeneron Healthcare Solutions, Inc. reported $24.24 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1952301749 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 22, 2005 |
| Last updated in NPPES | Apr 6, 2021 |
| Certified by provider | Apr 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 34005802 | 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 (OH) |
|---|
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Anesthesiology |
Medical group
- Adena Medical Group LLCChillicothe, OH · 386 clinicians
Hospital affiliation
- Adena Regional Medical CenterChillicothe, OH
Industry payments (Open Payments)
- 2025$24.24 · 1 payment from 1 company
- 2024$87.61 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $24.24 | 1 |
What the 2025 payments were for
- Food and Beverage$24.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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