Registry data as of Aug 27, 2026

Ian Bartos, MD

Pediatrics Physician · Livermore, CA

Ian Bartos, MD is a pediatrics physician with a practice address in Livermore, California, and NPI 1841372836, issued on Oct 19, 2006. Check the license (California A74967, 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
1841372836
Name
Ian Bartos
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
A74967 CA
Self-reported in NPPES; status is on the state search
Practice location
3000 Las Positas RD, Livermore, CA 94551
Phone
(925) 243-4300
Enumerated
Oct 19, 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 3000 Las Positas RD

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

  1. Chandran Arulanandan, MDInternal Medicine Physician1689752784
  2. Kimberly Becker, LCSWClinical Social Worker1689216707
  3. Jason Belk, PHARM.D.Pharmacist1609309723
  4. Aditi Bommireddy, MDObstetrics & Gynecology Physician1205398609
  5. Patrick Cahill, PTPhysical Therapist1497822803
  6. Timoteo Canio, MDInternal Medicine Physician1164594974

Verify Ian Bartos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A74967
    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 →

16 pediatrics physician records list a Livermore practice address

They are 16 of the 994 NPPES records with a Livermore practice address, and 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 Ian Bartos, MD's NPI number?

Ian Bartos, MD's National Provider Identifier (NPI) is 1841372836, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ian Bartos, MD located?

The NPPES record lists a practice address at 3000 Las Positas RD, Livermore, CA, 94551. Phone: (925) 243-4300. Providers update this record themselves, so call before visiting.

How can I verify Ian Bartos, MD's license?

NPPES lists California license number A74967, 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.