Allison Arch, M.D.
NPI 1043509953ActiveIndividual· Psychiatry & Neurology, Neurology· Torrance, CA
Psychiatry & Neurology, Neurology (M.D.) with Providence Medical Institute, practicing in Torrance, California. 448 Medicare patients in 2024, $92,113 paid; nearly all of their 565 Part D prescriptions were generic (95%). Ucb, Inc. was the largest of 9 companies reporting payments in 2025, $1,321 in all, mostly food and beverage. Lists Providence Little Company of Mary Med Ctr Torrance as a hospital affiliation.
Overview
| NPI | 1043509953 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2011 |
| Last updated in NPPES | Mar 29, 2021 |
| Certified by provider | Mar 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | A136785 | 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 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 - Neurology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 448 |
|---|---|
| Services billed | 2,542 across 17 procedure codes |
| Paid by Medicare | $92,113 |
Part D prescriptions in 2024
| Prescriptions (claims) | 565 · 1,215 30-day fills |
|---|---|
| Patients | 123 |
| Total drug cost | $110,611 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical InstitutePark Ridge, IL · 288 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$1,321 · 74 payments from 9 companies
- 2024$1,172 · 56 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $478.70 | 37 |
| Abbvie Inc. | $420.65 | 18 |
| Novartis Pharmaceuticals Corporation | $184.95 | 10 |
| Pfizer Inc. | $98.02 | 4 |
| Alexion Pharmaceuticals, Inc. | $34.96 | 1 |
What the 2025 payments were for
- Food and Beverage$1,321 · 74 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Torrance
- 1174894935
- 1669662508
- 1912025214
- 1033204730
- 1760045785
- 1750304234
- 1538267901
- 1245523760
- 1477759975
- 1871516492
- 1366482960
- 1477782035
All Psychiatry & Neurology, Neurology providers in California →