Registry data as of Aug 27, 2026

Juan Alas

Family Medicine Physician · Azusa, CA

Juan Alas is a family medicine physician with a practice address in Azusa, California, and NPI 1881695401, issued on Aug 4, 2005. Check the license (California A55051, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1881695401
Name
Juan Alas
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A55051 CA
Self-reported in NPPES; status is on the state search
Practice location
545 N San Gabriel Ave, Azusa, CA 91702
Phone
(626) 815-1511
Enumerated
Aug 4, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Juan Alas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A55051
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

44% fewer Medicare Part D claims than the average family medicine physician in 2024

1,987 Medicare Part D claims for 175 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Juan Alas1,987
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium232 claims
  2. Metformin Hcl142 claims
  3. Lisinopril120 claims
  4. Simvastatin105 claims
  5. Losartan Potassium75 claims
  6. Pantoprazole Sodium69 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.

8 family medicine physician records list a Azusa practice address

They are 8 of the 464 NPPES records with a Azusa practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Juan Alas's NPI number?

Juan Alas's National Provider Identifier (NPI) is 1881695401, issued on Aug 4, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Juan Alas located?

The NPPES record lists a practice address at 545 N San Gabriel Ave, Azusa, CA, 91702. Phone: (626) 815-1511. Providers update this record themselves, so call before visiting.

How can I verify Juan Alas's license?

NPPES lists California license number A55051, 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 Juan Alas prescribe under Medicare Part D?

In 2024, Juan Alas had 1,987 Medicare Part D claims for 175 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.