Michael James Arias, DO, MPH
Physical Medicine & Rehabilitation Physician · Panorama City, CA
Michael James Arias, DO, MPH is a physical medicine & rehabilitation physician with a practice address in Panorama City, California, and NPI 1891373403, issued on Apr 2, 2021. Check the license (California 20A23279, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael James Arias
- Credential
- DO, MPH
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 20A23279 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3651 Willard St, Panorama City, CA 91402
- Phone
- (833) 574-2273
- Enumerated
- Apr 2, 2021
- Record last updated
- Jul 14, 2026
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 1,549 in California → Look up another NPI →
Verify Michael James Arias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A23279Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
34 Medicare Part D claims, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D.
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.
Michael James Arias among 1,549 physical medicine & rehabilitation physician records in California
Michael James Arias, DO, MPH is one of 1,549 physical medicine & rehabilitation physician records with a practice address in California. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in California
There are 1,549 physical medicine & rehabilitation physician records in California.
All 1,549 in California → Every provider in Panorama City → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Sukanya Holmes, MDPanorama City, CA 914021285793802
- Shawn Iftikar, MDPanorama City, CA 914021174729933
- Ching Lam, MDPanorama City, CA 914021255319893
- Marco Masci, M.D.Panorama City, CA 914021598111692
- Eric Mok, MDPanorama City, CA 914021588735567
- Andrea Nachenberg, MDPanorama City, CA 914021386792182
- Kristine Padilla, M.D.Panorama City, CA 914021306103833
- La Shawna Williams, M.D.Panorama City, CA 914021275895294
Common questions
What is Michael James Arias, DO, MPH's NPI number?
Michael James Arias, DO, MPH's National Provider Identifier (NPI) is 1891373403, issued on Apr 2, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Michael James Arias, DO, MPH located?
The NPPES record lists a practice address at 3651 Willard St, Panorama City, CA, 91402. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.
How can I verify Michael James Arias, DO, MPH's license?
NPPES lists California license number 20A23279, 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 Michael James Arias, DO, MPH prescribe under Medicare Part D?
In 2024, Michael James Arias, DO, MPH had 34 Medicare Part D claims; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
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.