Registry data as of Aug 27, 2026

Phyllis Klein, M.D.

Hematology & Oncology Physician · West Covina, CA

Phyllis Klein, M.D. is a hematology & oncology physician with a practice address in West Covina, California, and NPI 1932166519, issued on Apr 27, 2006. Check the license (California G23172, 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
1932166519
Name
Phyllis Klein
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
G23172 CA
MD198279 OR
Self-reported in NPPES; status is on the state search
Practice location
1250 S Sunset Ave Ste 303, West Covina, CA 91790
Phone
(626) 856-5858
Enumerated
Apr 27, 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 1250 S Sunset Ave Ste 303

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

  1. Jessica Ojeda, FNP-CFamily Nurse Practitioner1659052454
  2. Cary Presant, M.D.Hematology (Internal Medicine) Physician1538109517

Verify Phyllis Klein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G23172
    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 →

Hematology & Oncology Physician providers in California

There are 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 Phyllis Klein, M.D.'s NPI number?

Phyllis Klein, M.D.'s National Provider Identifier (NPI) is 1932166519, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Phyllis Klein, M.D. located?

The NPPES record lists a practice address at 1250 S Sunset Ave Ste 303, West Covina, CA, 91790. Phone: (626) 856-5858. Providers update this record themselves, so call before visiting.

How can I verify Phyllis Klein, M.D.'s license?

NPPES lists California license number G23172, 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.