Registry data as of Aug 27, 2026

Justin Biddle, NP

Nurse Practitioner · Greenbrae, CA

Justin Biddle, NP is a nurse practitioner with a practice address in Greenbrae, California, and NPI 1477383859, issued on Aug 1, 2024. Check the license (California 95031004, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1477383859
Name
Justin Biddle
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95031004 CA
Self-reported in NPPES; status is on the state search
Practice location
1350 S Eliseo Dr Ste 200, Greenbrae, CA 94904
Phone
(415) 925-5000
Enumerated
Aug 1, 2024
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.
Download card Updates feed

Verify Justin Biddle 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 95031004
    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

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 →

2 hospital and facility affiliations

  1. Marin Cancer Care, Inc.Greenbrae, CA
  2. University OF California San FranciscoSan Francisco, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

8 nurse practitioner records list a Greenbrae practice address

They are 8 of the 727 NPPES records with a Greenbrae practice address, and 7,120 nurse practitioner records in California.

Other nurse practitioner records in California

  1. Barbara Aaronson, RN/NURSE PRACTITONERLos Angeles, CA1588988182
  2. Albert Aba, AGNPSan Francisco, CA1578353777
  3. Venice AbabatColton, CA1083240881
  4. Martha Ababneh, CNAEl Monte, CA1275118614
  5. Chelsea Abad, CRNP, AGPCNP - BCDuarte, CA1952848137
  6. Shayda Abadi, NPPalo Alto, CA1316745540
  7. Jessika Abarca, NPSan Fernando, CA1972263945
  8. Hangama Abassi, N.P.Walnut Creek, CA1487083655
  9. Elizabeth Abaunza, NPSan Francisco, CA1962044347
  10. Honeylynn Abaya, NPMoreno Valley, CA1528799145

Common questions

What is Justin Biddle, NP's NPI number?

Justin Biddle, NP's National Provider Identifier (NPI) is 1477383859, issued on Aug 1, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Justin Biddle, NP located?

The NPPES record lists a practice address at 1350 S Eliseo Dr Ste 200, Greenbrae, CA, 94904. Phone: (415) 925-5000. Providers update this record themselves, so call before visiting.

How can I verify Justin Biddle, NP's license?

NPPES lists California license number 95031004, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.