Arthur An, M.D.
NPI 1649293259ActiveIndividual· Psychiatry & Neurology, Neurology· Arcadia, CA
Psychiatry & Neurology, Neurology (M.D.) in Arcadia, California, trained at Tulane University School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $493,957 for 3,235 claims, against $120,086 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $1,999 in all, mostly food and beverage.
Overview
| NPI | 1649293259 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 25, 2006 |
| Last updated in NPPES | Mar 13, 2025 |
| Certified by provider | Mar 13, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | A61877 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 281 |
|---|---|
| Services billed | 849 across 12 procedure codes |
| Paid by Medicare | $120,086 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,235 · 6,233 30-day fills |
|---|---|
| Patients | 540 |
| Total drug cost | $493,957 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2025$1,999 · 75 payments from 17 companies
- 2024$1,474 · 56 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $288.48 | 15 |
| Ucb, Inc. | $263.51 | 12 |
| Amgen Inc. | $259.80 | 6 |
| Mdd US Operations, LLC | $232.49 | 8 |
| Acadia Pharmaceuticals Inc | $196.72 | 9 |
What the 2025 payments were for
- Food and Beverage$1,856 · 70 payments
- Education$143.15 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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