NPPES file of Aug 9, 2026

Mara Jennifer Hernandez, MS

Genetic Counselor (M.S.) · San Francisco, CA

Mara Jennifer Hernandez, MS is a genetic counselor (m.s.) with a practice address in San Francisco, California, and NPI 1700372778, issued on Jul 2, 2018. Check the license (California GC001009, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700372778
Name
Mara Jennifer Hernandez
Credential
MS
Primary taxonomy
Genetic Counselor (M.S.) 170300000X
License number
GC001009 CA
Self-reported in NPPES; status is on the state search
Practice location
3700 California Street, San Francisco, CA 94118
Phone
(415) 600-6400
Enumerated
Jul 2, 2018
Record last updated
Jul 2, 2018 (not updated in 8 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 3700 California Street

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

  1. Samantha BrummittGenetic Counselor (M.S.)1104220920
  2. Francesca Geertsma, M.D.Pediatric Infectious Diseases Physician1821066747

Verify Mara Jennifer Hernandez 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 GC001009
    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

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Mara Jennifer Hernandez among 942 genetic counselor (m.s.) records in California

Mara Jennifer Hernandez, MS is one of 942 genetic counselor (m.s.) records with a practice address in California. 0% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2018, is newer than 58% of them.

  • NPI issued2018 · 58% of these records are older, 37% newer
  • In a Medicare fileNo · 0% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2018 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 170300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Genetic Counselor (M.S.) providers in California

There are 942 genetic counselor (m.s.) records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 genetic counselor (m.s.) records with the nearest ZIP codes

  1. Lauri Black, MS, CGCSan Francisco, CA 941181376521898
  2. Samantha BrummittSan Francisco, CA 941181104220920
  3. Jacqueline Chui, M.S., C.G.C.San Francisco, CA 941181528368404
  4. Iris Corbin, M.S., C.G.C.San Francisco, CA 941181659611481
  5. Kendall Glynn, MS, CGCSan Francisco, CA 941181053399634
  6. Sarah Gobuty, M.S.San Francisco, CA 941181881672384
  7. Susan Hancock, MS CGCSan Francisco, CA 941181659351450
  8. Carrie Haverty, MS, CGCSan Francisco, CA 941181023095221

Common questions

What is Mara Jennifer Hernandez, MS's NPI number?

Mara Jennifer Hernandez, MS's National Provider Identifier (NPI) is 1700372778, issued on Jul 2, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Mara Jennifer Hernandez, MS located?

The NPPES record lists a practice address at 3700 California Street, San Francisco, CA, 94118. Phone: (415) 600-6400. Providers update this record themselves, so call before visiting.

How can I verify Mara Jennifer Hernandez, MS's license?

NPPES lists California license number GC001009, 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), 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.

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.