Mayank Shami Pathak, M.D.
NPI 1114959475ActiveIndividual· Psychiatry & Neurology, Neurology· Orange, CA
Psychiatry & Neurology, Neurology (M.D.) in Orange, California, trained at George Washington University School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $1,074,122 for 2,710 claims, against $129,586 paid for services in 2024. Abbvie Inc. was the largest of 44 companies reporting payments in 2025, $5,990 in all, mostly food and beverage.
Overview
| NPI | 1114959475 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 7, 2006 |
| Last updated in NPPES | Jul 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | G076833 | CA |
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 - Neurology (CA); Practitioner - Neurology (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 422 |
|---|---|
| Services billed | 7,836 across 39 procedure codes |
| Paid by Medicare | $129,586 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,710 · 5,588 30-day fills |
|---|---|
| Patients | 411 |
| Total drug cost | $1,074,122 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical groups
- Truong Neuroscience Institute Inc.Fountain Valley, CA · 7 clinicians
- Pavilion Neurology Medical Group Inc.Orange, CA · 5 clinicians
Hospital affiliations
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
- Orange County Global Medical CenterSanta Ana, CA
- Providence St. Joseph HospitalOrange, CA
Industry payments (Open Payments)
- 2025$5,990 · 253 payments from 44 companies
- 2024$5,695 · 281 payments from 40 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $1,228 | 49 |
| Biogen, Inc. | $501.26 | 18 |
| Celgene Corporation | $350.26 | 17 |
| Ucb, Inc. | $341.18 | 11 |
| Merz Pharmaceuticals, LLC | $328.39 | 12 |
What the 2025 payments were for
- Food and Beverage$5,990 · 253 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 60 neurologists in Orange · All neurologists in California