CLAIRE ELIZABETH PARKER RN, PNP
NPI 1710263793
Nurse Practitioner - Pediatrics, Critical Care in San Francisco, CA

Active since October 23, 2011PECOS Enrolled
505 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-1611 Get Directions Write a Review

NPPES record last updated: October 23, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Claire Elizabeth Parker Rn, Pnp NPPES

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

CLAIRE ELIZABETH PARKER RN, PNP (NPI 1710263793) is an individual pediatrics, critical care provider in San Francisco, California, licensed in California (21131) and active in the NPI registry since October 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710263793
Entity TypeIndividualFemale
Primary Taxonomy363LP0222X
Provider Legal NameCLAIRE ELIZABETH PARKERCredential: RN, PNP
Location Address505 PARNASSUS AVESan Francisco, CA 94143-2204
Mailing Address1699 Broderick St Apt 6San Francisco, CA 94115-2932
Sole ProprietorNo
Enumeration DateOctober 23, 2011
✔ NPI 1710263793 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Pediatrics, Critical CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0222X
License✔ Licensed in CA · 21131
505 PARNASSUS AVE, San Francisco, CA 94143

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Claire Elizabeth Parker Rn, Pnp 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

2

Medicare enrollment records show Claire Parker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group

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 20

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

Nurse Practitioner (Neonatal)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Hospitalist
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Geriatric Medicine)
505 PARNASSUS AVE, 15 LONG
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Nurse Anesthetist, Certified Registered
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

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 Claire Parker's NPI number?

The NPI number for Claire Parker is 1710263793. It was assigned to this individual provider in the NPPES registry on October 23, 2011.

Where is Claire Parker located?

Claire Parker practices at 505 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-1611.

What is Claire Parker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, Critical Care, with taxonomy code 363LP0222X.

Is Claire Parker enrolled in Medicare?

Yes. Claire Parker is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Claire Parker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Claire Parker reassigns Medicare benefits to 2 organizations: Ucsf Pediatrics Associates (San Francisco, CA) and University Of California San Francisco (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 Claire Parker'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 Claire Parker was last updated on October 23, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.