Registry data as of Aug 27, 2026

Tiranjan Chattha, O.D

Optometrist · Livermore, CA

Tiranjan Chattha, O.D is an optometrist with a practice address in Livermore, California, and NPI 1841342177, issued on Jan 17, 2007. Check the license (California 006803, as entered in NPPES) with the California board that licenses this profession; 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
1841342177
Name
Tiranjan Chattha
Credential
O.D
Primary taxonomy
Optometrist 152W00000X
License number
006803 CA
Self-reported in NPPES; status is on the state search
Practice location
3000 Las Positas RD, Livermore, CA 94551
Phone
(925) 243-2904
Enumerated
Jan 17, 2007
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. Ian Bartos, MDPediatrics Physician1841372836
  3. Kimberly Becker, LCSWClinical Social Worker1689216707
  4. Jason Belk, PHARM.D.Pharmacist1609309723
  5. Aditi Bommireddy, MDObstetrics & Gynecology Physician1205398609
  6. Patrick Cahill, PTPhysical Therapist1497822803

Verify Tiranjan Chattha in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 006803
    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
Find 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 →

28 optometrist records list a Livermore practice address

They are 28 of the 994 NPPES records with a Livermore practice address, and 8,156 optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other optometrist records in California

  1. Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
  2. Saloumeh Abadi, ODSanta Monica, CA1699258756
  3. Davoud AbbasiFillmore, CA1902361678
  4. Christopher Abbott, O.D.Santee, CA1417936220
  5. Sara Abboud, ODAlbany, CA1649052846
  6. Ghezal Abdali, O.D.Tustin, CA1770688640
  7. Nahid Abdali, O.D.San Ramon, CA1700210242
  8. Yasmeen AbdelfattahIrvine, CA1417786617
  9. Marina Abdou, ODUpland, CA1356017321
  10. Angela Abe, OPTModesto, CA1336108885

Common questions

What is Tiranjan Chattha, O.D's NPI number?

Tiranjan Chattha, O.D's National Provider Identifier (NPI) is 1841342177, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Tiranjan Chattha, O.D located?

The NPPES record lists a practice address at 3000 Las Positas RD, Livermore, CA, 94551. Phone: (925) 243-2904. Providers update this record themselves, so call before visiting.

How can I verify Tiranjan Chattha, O.D's license?

NPPES lists California license number 006803, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

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.