Arthur An, M.D.
Neurology Physician · Arcadia, CA
Arthur An, M.D. is a neurology physician with a practice address in Arcadia, California, and NPI 1649293259, issued on Jul 25, 2006. Check the license (California A61877, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arthur An
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A61877 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1015 N First Ave, Arcadia, CA 91006
- Phone
- (626) 332-7090
- Enumerated
- Jul 25, 2006
- Record last updated
- Mar 13, 2025
- Fax
- (800) 924-7301
- Medicare enrollment
- Enrolled (PECOS I20080327000813); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 1015 N First Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Morris Powazek, PHDClinical Psychologist1487669917
Verify Arthur An in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A61877Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average neurology physician in 2024
3,235 Medicare Part D claims for 540 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 35 claims were for opioids.
Most prescribed
- Gabapentin543 claims
- Memantine Hcl482 claims
- Escitalopram Oxalate224 claims
- Levetiracetam171 claims
- Donepezil Hcl166 claims
- Carbidopa-Levodopa143 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,473.82
56 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Arthur An among 2,339 neurology physician records in California
Arthur An, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1995 · median 2006 among the 1,628 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Arcadia → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Arnold Brizuela, M.D.Arcadia, CA 910061528325818
- Jesse Carr, M.D.Arcadia, CA 910061407935125
- Ken Fujimura, M.D.Arcadia, CA 910061629426630
- Fatima Janjua, M.D.Arcadia, CA 910061366485203
- Janice Joo, MDArcadia, CA 910061639532187
- Lise Phan, MDArcadia, CA 910061487031100
- Adeel Popalzai, D.O.Arcadia, CA 910061558508663
- Kenneth Wogensen, MDArcadia, CA 910061932109295
Common questions
What is Arthur An, M.D.'s NPI number?
Arthur An, M.D.'s National Provider Identifier (NPI) is 1649293259, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arthur An, M.D. located?
The NPPES record lists a practice address at 1015 N First Ave, Arcadia, CA, 91006. Phone: (626) 332-7090. Providers update this record themselves, so call before visiting.
How can I verify Arthur An, M.D.'s license?
NPPES lists California license number A61877, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Arthur An, M.D. prescribe under Medicare Part D?
In 2024, Arthur An, M.D. had 3,235 Medicare Part D claims for 540 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Arthur An, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.