Allison Arch, M.D.
NPI 1043509953 · Neurology Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Arch, M.D. is a Neurology Physician provider in Torrance, CA (NPI 1043509953).
Provider details
- NPI number
- 1043509953
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A136785 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
723 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 209 | $123 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 103 | $180 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 97 | $139 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 89 | $82 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 66 | $195 |
| Emergency Department Visit With High Level of Medical Decision Making |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levetiracetam | 61 | 16 |
| Cyclobenzaprine Hcl | 53 | — |
| Donepezil Hcl | 45 | 17 |
| Gabapentin | 26 | — |
| Lacosamide | 25 | — |
| Divalproex Sodium | 20 | — |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 19 | — |
| Atorvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,129 across 54 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 20 York StYale-New Haven HospitalNew Haven, CT 06510-3220Phone: (203) 573-7354Fax: (203) 573-6707
Registry dates
- Enumerated
- 2011-03-31
- Last updated
- 2021-03-29
- Certified
- 2021-03-29
Frequently asked questions
- What is Allison Arch's NPI number?
- Allison Arch's National Provider Identifier (NPI) is 1043509953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Arch's specialty?
- Allison Arch is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Allison Arch located?
- Allison Arch's practice location on file with NPPES is 4101 Torrance Blvd, Torrance, CA 90503-4607.
- What is Allison Arch's phone number?
- The practice phone number listed in the NPPES registry for Allison Arch is (310) 374-8191.
- Does Allison Arch accept Medicare?
- Allison Arch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Arch's NPI active?
- Yes — Allison Arch's NPI (1043509953) is active in the NPPES registry as of the last update on 2021-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.