Martha Eppenberger, FNP
Family Nurse Practitioner · Walnut Creek, CA
Martha Eppenberger, FNP is a family nurse practitioner with a practice address in Walnut Creek, California, and NPI 1710284096, issued on Feb 22, 2011. Check the license (California 19190, 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.
- Name
- Martha Eppenberger
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 19190 CA
Self-reported in NPPES; status is on the state search - Practice location
- 738 Bancroft RD, Walnut Creek, CA 94598
- Phone
- (925) 938-8525
- Enumerated
- Feb 22, 2011
- Record last updated
- Apr 12, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 738 Bancroft RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Karsten Michello Garduce, FNPFamily Nurse Practitioner1437775418
- Emily HanPharmacist1760046148
- Kaitlin Johnson, NP-CFamily Nurse Practitioner1215632195
- Ashley King, NPFamily Nurse Practitioner1376133322
Verify Martha Eppenberger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 19190Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Martha Eppenberger among 16,966 family nurse practitioner records in California
Martha Eppenberger, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% 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 2011, is newer than 19% of them.
- NPI issued2011 · 19% of these records are older, 79% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2017 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 family nurse practitioner records list a practice address in Walnut Creek
They are 107 of the 6,170 NPPES records with a practice address in Walnut Creek, and 16,966 family nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 16,966 in California → Every provider in Walnut Creek → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Cheri Arbizu, MSN, FNPWalnut Creek, CA 945981205922630
- Shellie Campos, NPWalnut Creek, CA 945981982871331
- Melanie Charles, N.P.Walnut Creek, CA 945981972792950
- Ronald Connolly, FNPWalnut Creek, CA 945981710296116
- Janice Dolan, MSN/FNPWalnut Creek, CA 945981982680864
- Sylvia Esperanza, NPWalnut Creek, CA 945981104067297
- Shawna Joaquin, NP-CWalnut Creek, CA 945981942436811
- Mythilla Karunaratne, FNP-BCWalnut Creek, CA 945981285765313
Common questions
What is Martha Eppenberger, FNP's NPI number?
Martha Eppenberger, FNP's National Provider Identifier (NPI) is 1710284096, issued on Feb 22, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Martha Eppenberger, FNP located?
The NPPES record lists a practice address at 738 Bancroft RD, Walnut Creek, CA, 94598. Phone: (925) 938-8525. Providers update this record themselves, so call before visiting.
How can I verify Martha Eppenberger, FNP's license?
NPPES lists California license number 19190, 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.