NPPES file of Aug 9, 2026

Abraham Testa, M.D.

Hospitalist Physician · Victorville, CA

Abraham Testa, M.D. is a hospitalist physician with a practice address in Victorville, California, and NPI 1528375078, issued on Sep 3, 2010. Check the license (California C178551, 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
1528375078
Name
Abraham Testa
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
C178551 CA
036144815 IL
01078840A IN
Self-reported in NPPES; status is on the state search
Practice location
16850 Bear Valley RD, Victorville, CA 92395
Phone
(760) 241-8000
Enumerated
Sep 3, 2010
Record last updated
Jan 21, 2025
Medicaid ID
036144815 IL
Medicare enrollment
Enrolled (PECOS I20180626001830); accepts Medicare assignment
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.
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Also registered at 16850 Bear Valley RD

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

  1. Fariq Akhtar Aziz, MDInternal Medicine Physician1609442037
  2. Kyra AldinovPhysician Assistant1700491644
  3. Wesam Alhejily, MDInterventional Cardiology Physician1437412814
  4. Rabe Alhurani, MDGeriatric Medicine (Internal Medicine) Physician1740778398
  5. Charbel Aoun, MDInternal Medicine Physician1023121217
  6. Mehwish Aslam, M.D;Pediatrics Physician1366721722

Verify Abraham Testa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C178551
    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.

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79% fewer Medicare Part D claims than the average hospitalist physician in 2024

107 Medicare Part D claims for 60 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Abraham Testa107
  2. Specialty average521

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 4 group practices

  1. Cep America-Illinois Hospitalists, LLPAlton, IL
  2. Cook Physician Services, P.C.Hoffman Estates, IL
  3. Desert Valley Medical Group IncVictorville, CA
  4. Sound Physicians OF Illinois LLCRockford, IL

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

Abraham Testa among 3,099 hospitalist physician records in California

Abraham Testa, M.D. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 44% of them.

  • NPI issued2010 · 44% of these records are older, 53% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2006 · median 2010 among the 2,505 with a school on file
  • Record last updated2025 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. John Lee, MDVictorville, CA 923951750879755
  2. Peter Lue, MDVictorville, CA 923951174574404
  3. Lior Manasherian-YaccobeVictorville, CA 923951780992511
  4. Ashraf Eskander, MDSan Bernardino, CA 924041790756070
  5. Ethan YarbroughSan Bernardino, CA 924041063109585
  6. Nkoli Anigbogu, MDSan Bernardino, CA 924071184710121
  7. Sameh Mikhail, M.D.Redlands, CA 923741265849723
  8. Onyinye Ahamba, M.DRedlands, CA 923731164835237

Common questions

What is Abraham Testa, M.D.'s NPI number?

Abraham Testa, M.D.'s National Provider Identifier (NPI) is 1528375078, issued on Sep 3, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Abraham Testa, M.D. located?

The NPPES record lists a practice address at 16850 Bear Valley RD, Victorville, CA, 92395. Phone: (760) 241-8000. Providers update this record themselves, so call before visiting.

How can I verify Abraham Testa, M.D.'s license?

NPPES lists California license number C178551, 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 Abraham Testa, M.D. prescribe under Medicare Part D?

In 2024, Abraham Testa, M.D. had 107 Medicare Part D claims for 60 beneficiaries; the average among hospitalist physician prescribers was 521. 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.