NPPES file of Aug 9, 2026

Alex Casey, DO

Family Medicine Physician · San Dimas, CA

Alex Casey, DO is a family medicine physician with a practice address in San Dimas, California, and NPI 1710544077, issued on May 22, 2019. Check the license (California 20A19481, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710544077
Name
Alex Casey
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A19481 CA
Self-reported in NPPES; status is on the state search
Practice location
1125 Via Verde, San Dimas, CA 91773
Phone
(909) 592-9778
Enumerated
May 22, 2019
Record last updated
Aug 13, 2024
Medicare enrollment
Enrolled (PECOS I20230822002228); accepts Medicare assignment
Medical or professional school
Touro Un Col Of Osteopathic Medicine, New York, 2019
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1125 Via Verde

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Steven Davis, D.O.Family Medicine Physician1154300978
  2. Patrick Kurt, MDFamily Medicine Physician1194220046
  3. Richard Malinick, M.D.Orthopaedic Surgery Physician1184629131
  4. Heather McDonald, D.O.Family Medicine Physician1003142886
  5. Vijay Patel, M.D.Internal Medicine Physician1538250980
  6. Jessica Uhl, PA-CMedical Physician Assistant1497860126

Verify Alex Casey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A19481
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

71% fewer Medicare Part D claims than the average family medicine physician in 2024

1,030 Medicare Part D claims for 254 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Alex Casey1,030
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium75 claims
  2. Lisinopril42 claims
  3. Amoxicillin-Clavulanate Potass39 claims
  4. Amlodipine Besylate37 claims
  5. Levothyroxine Sodium26 claims
  6. Azithromycin23 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.

Bills Medicare through one group practice

  1. Emanate Health Medical Care FoundationWest Covina, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alex Casey among 17,133 family medicine physician records in California

Alex Casey, DO is one of 17,133 family medicine 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 2019, is newer than 85% of them.

  • NPI issued2019 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2019 · median 2005 among the 10,652 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 family medicine physician records list a practice address in San Dimas

They are 29 of the 942 NPPES records with a practice address in San Dimas, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Norma Bachoura, M.D.San Dimas, CA 917731235191131
  2. Stephanie Chang, D.O.San Dimas, CA 917731740387091
  3. Steven Davis, D.O.San Dimas, CA 917731154300978
  4. Maria Dunton, DOSan Dimas, CA 917731639112386
  5. Candido Gamez, M.D.San Dimas, CA 917731689625972
  6. Rosanna Iskander, M.D.San Dimas, CA 917731265500896
  7. Sabah Kadhium, MDSan Dimas, CA 917731306836770
  8. Richard Magallon, MDSan Dimas, CA 917731316925530

Common questions

What is Alex Casey, DO's NPI number?

Alex Casey, DO's National Provider Identifier (NPI) is 1710544077, issued on May 22, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Alex Casey, DO located?

The NPPES record lists a practice address at 1125 Via Verde, San Dimas, CA, 91773. Phone: (909) 592-9778. Providers update this record themselves, so call before visiting.

How can I verify Alex Casey, DO's license?

NPPES lists California license number 20A19481, 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 Alex Casey, DO prescribe under Medicare Part D?

In 2024, Alex Casey, DO had 1,030 Medicare Part D claims for 254 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.