NPPES file of Aug 9, 2026

Jennifer Marie Hummel, M.D.

Molecular Genetic Pathology (Pathology) Physician · Aliso Viejo, CA

Jennifer Marie Hummel, M.D. is a molecular genetic pathology (pathology) physician with a practice address in Aliso Viejo, California, and NPI 1942496609, issued on Sep 17, 2007. Check the license (California A121115, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942496609
Name
Jennifer Marie Hummel
Credential
M.D.
Primary taxonomy
Molecular Genetic Pathology (Pathology) Physician 207ZP0007X
License number
A121115 CA
Self-reported in NPPES; status is on the state search
Practice location
31 Columbia, Aliso Viejo, CA 92656
Phone
(949) 445-7300
Enumerated
Sep 17, 2007
Record last updated
Mar 31, 2021 (not updated in 5 years: call before relying on the address or phone)
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 31 Columbia

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

  1. Renuka Agrawal, M.D.Anatomic Pathology & Clinical Pathology Physician1174733059
  2. Kenneth Bloom, M.D.Anatomic Pathology Physician1023399177
  3. Sing-Tsung Chen, M.D., PH.D.Hematology (Pathology) Physician1508980137
  4. Vladislav Chizhevsky, M.D.Hematology (Pathology) Physician1952689242
  5. George Csathy, M.D.Anatomic Pathology & Clinical Pathology Physician1740402841
  6. Anselm Hii, M.D.Hematology (Pathology) Physician1124057393

Verify Jennifer Marie Hummel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A121115    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.

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Molecular Genetic Pathology (Pathology) Physician providers in California

There are 24 molecular genetic pathology (pathology) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 24 in California → Every provider in Aliso Viejo →

Other molecular genetic pathology (pathology) physician records in California

  1. Patricia Aoun, MDDuarte, CA1295791218
  2. Robert Bookstein, MDLos Angeles, CA1699294074
  3. Jae ElkindSan Diego, CA1922497700
  4. Wayne Grody, MDLos Angeles, CA1235165796
  5. Matthew Hiemenz, MDLos Angeles, CA1306075379
  6. Nancy Joseph, M.D.San Francisco, CA1669799078
  7. Beatrice Knudsen, M.D., PH.D.Los Angeles, CA1255779278
  8. Lauren LawrenceRedwood City, CA1760846604
  9. Jacqueline Lekostaj, M.D., PH.D.Carlsbad, CA1659692317
  10. Franklin Mullins, M.D., PH.D.Stanford, CA1255529715

Common questions

What is Jennifer Marie Hummel, M.D.'s NPI number?

Jennifer Marie Hummel, M.D.'s National Provider Identifier (NPI) is 1942496609, issued on Sep 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Marie Hummel, M.D. located?

The NPPES record lists a practice address at 31 Columbia, Aliso Viejo, CA, 92656. Phone: (949) 445-7300. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Marie Hummel, M.D.'s license?

NPPES lists California license number A121115, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.