Registry data as of Aug 27, 2026

Esther Catalya, M.D.

Hematology & Oncology Physician · Pleasant Hill, CA

Esther Catalya, M.D. is a hematology & oncology physician with a practice address in Pleasant Hill, California, and NPI 1629184148, issued on Aug 21, 2006. Check the license (California A44912, 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
1629184148
Name
Esther Catalya
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A44912 CA
Self-reported in NPPES; status is on the state search
Practice location
400 Taylor Blvd, Pleasant Hill, CA 94523
Phone
(925) 672-5041
Enumerated
Aug 21, 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 400 Taylor Blvd

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

  1. Candida Brown, M.D.Specialist1649375445
  2. David Buffum, R.N., N.P.Gerontology Nurse Practitioner1295043859
  3. Miguel Cerejo, D.O.Hematology & Oncology Physician1447236344
  4. Gigi Chen, M.D.Hematology & Oncology Physician1821073636
  5. Rujul Desai, MDNeurology with Special Qualifications in Child Neurology Physician1255727871
  6. Jasmin Eshragh, C.N.S.Oncology Clinical Nurse Specialist1003200734

Verify Esther Catalya in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A44912
    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 →

10 hematology & oncology physician records list a Pleasant Hill practice address

They are 10 of the 843 NPPES records with a Pleasant Hill practice address, and 1,306 hematology & oncology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other hematology & oncology physician records in California

  1. Mark Abate, M.D.Santa Barbara, CA1588778674
  2. Iman Abdalla, MDLos Angeles, CA1730248311
  3. Nihal Abdulla, MDLos Alamitos, CA1750585345
  4. Oyewale Abidoye, M.D.La Jolla, CA1790841815
  5. Mohamad Adada, M.D., PHDRoseville, CA1528590734
  6. Jesse Adams, MDSacramento, CA1851479554
  7. Thompson Adams, MDSanta Monica, CA1407880891
  8. Camille Adeimy, MDUpland, CA1477785160
  9. David Adkins, MDModesto, CA1104883644
  10. Kent Adler, M.D.San Mateo, CA1013074632

Common questions

What is Esther Catalya, M.D.'s NPI number?

Esther Catalya, M.D.'s National Provider Identifier (NPI) is 1629184148, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Esther Catalya, M.D. located?

The NPPES record lists a practice address at 400 Taylor Blvd, Pleasant Hill, CA, 94523. Phone: (925) 672-5041. Providers update this record themselves, so call before visiting.

How can I verify Esther Catalya, M.D.'s license?

NPPES lists California license number A44912, 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.