NPPES file of Aug 9, 2026

Oscar Gabriel Larrazolo, M.D.

Pediatrics Physician · Lancaster, CA

Oscar Gabriel Larrazolo, M.D. is a pediatrics physician with a practice address in Lancaster, California, and NPI 1548561558, issued on Nov 7, 2010. Check the license (California A116028, 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
1548561558
Name
Oscar Gabriel Larrazolo
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
A116028 CA
Self-reported in NPPES; status is on the state search
Practice location
44215 North 15TH Street West, Lancaster, CA 93534
Phone
(661) 949-5460
Enumerated
Nov 7, 2010
Record last updated
Sep 20, 2012 (not updated in 14 years: call before relying on the address or phone)
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 Oscar Gabriel Larrazolo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A116028
    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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Industry payments in 2024: $232.10

12 payments; by number, the most common kind was food and beverage; the largest payer was Verrica Pharmaceuticals Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Oscar Larrazolo$232.10
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Oscar Gabriel Larrazolo among 9,272 pediatrics physician records in California

Oscar Gabriel Larrazolo, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 63% of them.

  • NPI issued2010 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2012 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in California

There are 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Chhaya Agarwal, M.D.Lancaster, CA 935341598792459
  2. Mariya Babyna, M.D.Lancaster, CA 935341174848089
  3. Birendra Das, M.D.Lancaster, CA 935341992878672
  4. Marietta De Alday, MDW Lancaster, CA 935341831131424
  5. Brian GawLancaster, CA 935341457354391
  6. Anupama Kumar, MDLancaster, CA 935341679513659
  7. Quan Luong, D.O.Lancaster, CA 935341336103456
  8. Krista McBayne, MDLancaster, CA 935341770711533

Common questions

What is Oscar Gabriel Larrazolo, M.D.'s NPI number?

Oscar Gabriel Larrazolo, M.D.'s National Provider Identifier (NPI) is 1548561558, issued on Nov 7, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Oscar Gabriel Larrazolo, M.D. located?

The NPPES record lists a practice address at 44215 North 15TH Street West, Lancaster, CA, 93534. Phone: (661) 949-5460. Providers update this record themselves, so call before visiting.

How can I verify Oscar Gabriel Larrazolo, M.D.'s license?

NPPES lists California license number A116028, 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.

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.