1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Nurse Practitioner
  6. NPI Profile

MRS. FABIENNE HOLLINGER RN, MSN, FNP-C
NPI 1336450956
Nurse Practitioner - Family in San Francisco, CA

Active since June 29, 2010PECOS Enrolled
505 PARNASSUS AVE # M647, SAN FRANCISCO, CA 94143(415) 514-0238(415) 476-9068 Get Directions Write a Review

NPPES record last updated: June 29, 2010. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Mrs. Fabienne Hollinger Rn, Msn, Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. FABIENNE HOLLINGER RN, MSN, FNP-C (NPI 1336450956) is an individual family provider in San Francisco, California, licensed in California (17143) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336450956
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. FABIENNE HOLLINGERCredential: RN, MSN, FNP-C
Location Address505 PARNASSUS AVE # M647San Francisco, CA 94143-2204
Mailing Address505 Parnassus Ave # M647San Francisco, CA 94143-2204 · (415) 514-0238 · Fax (415) 476-9068
Phone(415) 514-0238
Fax(415) 476-9068
Sole ProprietorYes
Enumeration DateJune 29, 2010
✔ NPI 1336450956 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 17143
505 PARNASSUS AVE # M647, San Francisco, CA 94143
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Fabienne Hollinger Rn, Msn, Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Fabienne Hollinger reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ucsf Pediatrics Associates
Same address
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
NPI 1376614016 (415) 353-2000
University Of California San Francisco
0.1 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
0.1 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WILLIAM CLAY GUSTAFSON MD/PHD
Pediatrics (Pediatric Hematology-Oncology)
505 PARNASSUS AVE # M647, UCSF PEDIATRIC HEMATOLOGY/ONCOLOGY
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-3831
UCSF PEDIATRIC ASSOCIATES
General Acute Care Hospital (Children)
505 PARNASSUS AVE # M647, UCSF BENIOFF CHILDRENS HOSPITAL
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-9628
MARTINA M.V. MOONEY N.P.
Nurse Practitioner (Family)
505 PARNASSUS AVE # M647, UCSF DEPARTMENT OF PEDIATRICS
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-0238

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Fabienne Hollinger's NPI number?

The NPI number for Fabienne Hollinger is 1336450956. It was assigned to this individual provider in the NPPES registry on June 29, 2010.

Where is Fabienne Hollinger located?

Fabienne Hollinger practices at 505 Parnassus Ave # M647, San Francisco, CA 94143. The listed phone number is (415) 514-0238.

What is Fabienne Hollinger's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Fabienne Hollinger enrolled in Medicare?

Yes. Fabienne Hollinger is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Fabienne Hollinger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Fabienne Hollinger reassigns Medicare benefits to 3 organizations: Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Fabienne Hollinger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Fabienne Hollinger was last updated on June 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.