Registry data as of Aug 27, 2026

Olga Adan, M.D.

Pediatrics Physician · Rialto, CA

Olga Adan, M.D. is a pediatrics physician with a practice address in Rialto, California, and NPI 1447206073, issued on May 25, 2006. Check the license (California G75426, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1447206073
Name
Olga Adan
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
G75426 CA
Self-reported in NPPES; status is on the state search
Practice location
1851 N Riverside Ave, Rialto, CA 92376
Phone
(909) 466-6576
Enumerated
May 25, 2006
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 1851 N Riverside Ave

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

  1. Natasha Alexander, MDInternal Medicine Physician1255615530
  2. Sophia Beyene, DOFamily Medicine Physician1861454993
  3. Adrienne Burn, FNPFamily Nurse Practitioner1700160546
  4. Camille Chano, MDFamily Medicine Physician1083029425
  5. Linnea Chaves, RN FNPFamily Nurse Practitioner1992115018
  6. Paul Chen, M.D.Internal Medicine Physician1588689350

Verify Olga Adan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G75426
    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 →

Pediatrics Physician providers in California

There are 10,094 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pediatrics physician records in California

  1. Subha Aahlad, M.D.Foster City, CA1780610253
  2. Rebecca Aaronson, MDPanorama City, CA1487746814
  3. Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
  4. Michelle Abajian, MDLa Canada, CA1619176757
  5. Joseph Abapo, MDRiverside, CA1841348786
  6. Lauren Abbas, MDLos Angeles, CA1982163796
  7. Mazen Abbas, D.O., M.P.H.Madera, CA1790775278
  8. Attia Abbasi, M.D.Auburn, CA1922027127
  9. David Abbott, MDSanta Barbara, CA1144233370
  10. Lara Abbott, M.D.San Fernando, CA1053312868

Common questions

What is Olga Adan, M.D.'s NPI number?

Olga Adan, M.D.'s National Provider Identifier (NPI) is 1447206073, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Olga Adan, M.D. located?

The NPPES record lists a practice address at 1851 N Riverside Ave, Rialto, CA, 92376. Phone: (909) 466-6576. Providers update this record themselves, so call before visiting.

How can I verify Olga Adan, M.D.'s license?

NPPES lists California license number G75426, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.