John Mark Gilchrist, M.D.
NPI 1609834142ActiveIndividual· Otolaryngology· Edmond, OK
Otolaryngology (M.D.) in Edmond, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $161,988 for 273 claims, against $69,860 paid for services in 2024. Integra Lifesciences Corporation was the largest of 4 companies reporting payments in 2025, $372.31 in all, mostly food and beverage.
Overview
| NPI | 1609834142 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 3, 2006 |
| Last updated in NPPES | Jun 1, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 16187 | OK |
| Specialist | 174400000X | 16187 | OK |
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 - Otolaryngology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 377 |
|---|---|
| Services billed | 1,243 across 32 procedure codes |
| Paid by Medicare | $69,860 |
Part D prescriptions in 2024
| Prescriptions (claims) | 273 · 331 30-day fills |
|---|---|
| Patients | 116 |
| Total drug cost | $161,988 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Otolaryngology |
Medical group
- Oklahoma Otolaryngology Associates LLCNorman, OK · 15 clinicians
Hospital affiliation
- Integris Health Edmond HospitalEdmond, OK
Industry payments (Open Payments)
- 2025$372.31 · 8 payments from 4 companies
- 2024$406.24 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Integra Lifesciences Corporation | $168.26 | 1 |
| Regeneron Healthcare Solutions, Inc. | $115.14 | 4 |
| Genzyme Corporation | $64.02 | 2 |
| Optinose US, Inc. | $24.89 | 1 |
What the 2025 payments were for
- Food and Beverage$372.31 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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