Registry data as of Aug 27, 2026

Hector Caballero, MD

Internal Medicine Physician · Westlake Village, CA

Hector Caballero, MD is an internal medicine physician with a practice address in Westlake Village, California, and NPI 1174515662, issued on Aug 19, 2005. Check the license 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
1174515662
Name
Hector Caballero
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
32144 Agoura RD, Westlake Village, CA 91361
Phone
(805) 495-0823
Enumerated
Aug 19, 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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Also registered at 32144 Agoura RD

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

  1. Gerald Berkman, MDPediatric Adolescent Medicine Physician1225009822
  2. Sona Georgian, D.D.S.General Practice Dentistry1992865711
  3. Karin Harp, MDDermatology Physician1518923374
  4. Jeanine Ishak, N.P.Nurse Practitioner1962456475
  5. Asher Kashanchi, PHARM DPharmacist1083051825
  6. Charles Kelman, D.P.MPodiatrist1063490738

Verify Hector Caballero in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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 →

100% fewer Medicare Part D claims than the average internal medicine physician in 2024

11 Medicare Part D claims, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.

  1. Hector Caballero11
  2. Specialty average2,785

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.

19 internal medicine physician records list a Westlake Village practice address

They are 19 of the 1,397 NPPES records with a Westlake Village practice address, and 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Hector Caballero, MD's NPI number?

Hector Caballero, MD's National Provider Identifier (NPI) is 1174515662, issued on Aug 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Hector Caballero, MD located?

The NPPES record lists a practice address at 32144 Agoura RD, Westlake Village, CA, 91361. Phone: (805) 495-0823. Providers update this record themselves, so call before visiting.

How can I verify Hector Caballero, MD's license?

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 Hector Caballero, MD prescribe under Medicare Part D?

In 2024, Hector Caballero, MD had 11 Medicare Part D claims; the average among internal medicine physician prescribers was 2,785. 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.