Doctor profile · Federal record

Dr. Allison Arch, M.D.

Neurology Physician (CMS: Neurology) · Torrance, CA

  • NPI 1043509953
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4101 Torrance Blvd
Torrance, CA 905034607
(310) 374-8191
Additional location
20 York St, Yale-New Haven Hospital
New Haven, CT 065103220
(203) 573-7354
fax (203) 573-6707
Mailing address
21311 Madrona Ave Ste 101
Torrance, CA 905035970

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
March 29, 2021
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
California #A136785

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043509953. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
631
Distinct HCPCS
9
Medicare allowed
$92,782
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 173 137 $127
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 108 81 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 84 72 $141
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 81 77 $186
99215 Established patient office or other outpatient visit, 40-54 minutes 75 58 $197
99204 New patient office or other outpatient visit, 45-59 minutes 31 31 $178
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 31 31 $139
99291 Critical care, first 30-74 minutes 31 30 $226
99285 Emergency department visit with high level of medical decision making 17 17 $184

In context: peer comparison

Among 7 peers in Torrance Neurology Physician, average services per provider: 108. This provider delivers 5.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,129
Transactions
54
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 14 $335.62
Pfizer INC. 10 $234.89
Ucb, INC. 14 $155.94
Genentech USA, INC. 3 $97.93
Lilly USA, LLC 3 $74.50
Novartis Pharmaceuticals Corporation 2 $50.84
Scilex Pharmaceuticals INC. 2 $47.13
Lundbeck LLC 1 $32.85
Microtransponder, INC. 1 $26.76
Biogen, INC. 1 $26.55
Eisai INC. 1 $18.12
Mitsubishi Tanabe Pharma America, INC. 1 $14.58
Amgen INC. 1 $13.11

By nature of payment

Food and Beverage
$1,116
Education
$13

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
286
Patients
34
Total drug cost
$9,464
Drug Type Claims Patients Total cost
Levetiracetam Generic 57 17 $2,624
Donepezil Hcl Generic 40 17 $731
Cyclobenzaprine Hcl Generic 21 0 $44
Atorvastatin Calcium Generic 20 0 $456
Quetiapine Fumarate Generic 19 0 $593
Duloxetine Hcl Generic 17 0 $543
Gabapentin Generic 17 0 $554
Divalproex Sodium Generic 16 0 $854
Pregabalin Generic 16 0 $830
Zolpidem Tartrate Generic 16 0 $63

Frequently asked questions

Auto-generated from federal data
What is Dr. Allison Arch's medical specialty?
Dr. Allison Arch practices Neurology Physician in Torrance, CA.
Where does Dr. Allison Arch practice?
Dr. Allison Arch practices at 4101 Torrance Blvd, Torrance, CA 905034607. Office phone: 3103748191.
What is Dr. Allison Arch's NPI?
Dr. Allison Arch's National Provider Identifier (NPI) is 1043509953, issued by NPPES.
Does Dr. Allison Arch accept Medicare assignment?
Yes. Dr. Allison Arch accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allison Arch commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.