John Philip Mesmer, M.D.
NPI 1518914951ActiveIndividual· Emergency Medicine· Oak Ridge, TN
Emergency Medicine (M.D.) in Oak Ridge, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1988). 694 Medicare patients in 2024, $85,374 paid; nearly all of their 507 Part D prescriptions were generic (95%).
Overview
| NPI | 1518914951 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 30, 2006 |
| Last updated in NPPES | Nov 29, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 020154 | TN |
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 - Emergency Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 694 |
|---|---|
| Services billed | 782 across 24 procedure codes |
| Paid by Medicare | $85,374 |
Part D prescriptions in 2024
| Prescriptions (claims) | 507 · 518 30-day fills |
|---|---|
| Patients | 333 |
| Total drug cost | $7,180 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Emergency Medicine |
Medical group
- Southeastern Emergency Physicians LLCNewport, TN · 784 clinicians
Hospital affiliation
- Parkwest Medical CenterKnoxville, TN
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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