John Mark Rahhal, MD
NPI 1164490223ActiveIndividual· Psychiatry & Neurology, Psychiatry· Oklahoma City, OK
Psychiatry & Neurology, Psychiatry (MD) in Oklahoma City, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1986). 195 Medicare patients in 2024, $98,657 paid; nearly all of their 1,748 Part D prescriptions were generic (96%). Axsome Therapeutics, Inc. was the largest of 9 companies reporting payments in 2025, $269.12 in all, mostly food and beverage.
Overview
| NPI | 1164490223 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 14, 2006 |
| Last updated in NPPES | Jul 15, 2022 |
| Certified by provider | Jul 15, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 16305 | 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 - Psychiatry (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 195 |
|---|---|
| Services billed | 1,433 across 11 procedure codes |
| Paid by Medicare | $98,657 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,748 · 3,087 30-day fills |
|---|---|
| Patients | 162 |
| Total drug cost | $78,628 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2025$269.12 · 14 payments from 9 companies
- 2024$185.63 · 11 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $45.01 | 3 |
| Noven Therapeutics, LLC | $37.53 | 2 |
| Teva Pharmaceuticals USA, Inc. | $37.15 | 2 |
| Abbvie Inc. | $35.88 | 2 |
| Alkermes, Inc. | $25.01 | 1 |
What the 2025 payments were for
- Food and Beverage$269.12 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 203 psychiatrists in Oklahoma City · All psychiatrists in Oklahoma