NPPES file of Aug 9, 2026

Barbara Ellen Hollinger, RN, FNP

Family Nurse Practitioner · San Francisco, CA

Barbara Ellen Hollinger, RN, FNP is a family nurse practitioner with a practice address in San Francisco, California, and NPI 1558471474, issued on Aug 30, 2006. Check the license (California RN218196, NP1878, 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
1558471474
Name
Barbara Ellen Hollinger
Credential
RN, FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN218196, NP1878 CA
Self-reported in NPPES; status is on the state search
Practice location
1647 Valencia St, San Francisco, CA 94110
Phone
(415) 647-3666
Enumerated
Aug 30, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 282-3756
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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8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →

Also registered at 1647 Valencia St

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

  1. Justine Barnard, RN, PNPPediatric Nurse Practitioner1073536637
  2. Lawrence Granader, M.D.Pediatrics Physician1275644155
  3. Victoria Keeton, NPPediatric Nurse Practitioner1568662153
  4. Naomi Schapiro, RN, MS, CPNPPediatric Nurse Practitioner1114934288
  5. Kristen Sligar, FNPFamily Nurse Practitioner1477569614
  6. Meghan Trojnar, D.O.Pediatrics Physician1265638621

Verify Barbara Ellen Hollinger 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 RN218196, NP1878    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.

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Barbara Ellen Hollinger among 16,966 family nurse practitioner records in California

Barbara Ellen Hollinger, RN, 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 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 93% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2007 · 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).

662 family nurse practitioner records list a practice address in San Francisco

They are 662 of the 38,143 NPPES records with a practice address in San Francisco, 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 San Francisco → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Erin Cunningham, N.P., M.S., R.N.San Francisco, CA 941101609895242
  2. Patricia Erickson, N.P.San Francisco, CA 941101124193222
  3. Annette Espil, NPSan Francisco, CA 941101255412698
  4. Jennifer Kanenaga, RN, MSN, FNPSan Francisco, CA 941101235153123
  5. Steven Leiner, NPSan Francisco, CA 941101023107174
  6. Rochelle Neutra, RN, FNPSan Francisco, CA 941101396745642
  7. Eliza Newbold, N.P., M.S.N., R.N.San Francisco, CA 941101811913023
  8. Tamara Ooms, FNPSan Francisco, CA 941101578583050

Common questions

What is Barbara Ellen Hollinger, RN, FNP's NPI number?

Barbara Ellen Hollinger, RN, FNP's National Provider Identifier (NPI) is 1558471474, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Barbara Ellen Hollinger, RN, FNP located?

The NPPES record lists a practice address at 1647 Valencia St, San Francisco, CA, 94110. Phone: (415) 647-3666. Providers update this record themselves, so call before visiting.

How can I verify Barbara Ellen Hollinger, RN, FNP's license?

NPPES lists California license number RN218196, NP1878, 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.

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.