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DR. ISABELLA SOFIA JOSEPH FNP-BC
NPI 1942144035
Nurse Practitioner - Family in San Francisco, CA

Active since April 17, 2026PECOS Enrolled
2001 VAN NESS AVE STE 407, SAN FRANCISCO, CA 94109(650) 466-6224 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 28, 2026, Jul 21, 2026, Apr 17, 2026 (3 updates tracked since 2026).

About Dr. Isabella Sofia Joseph Fnp-bc NPPES

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

DR. ISABELLA SOFIA JOSEPH FNP-BC (NPI 1942144035) is an individual family provider in San Francisco, California, licensed in California (NP95040614) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS, maintains a secondary practice location in Redwood City, and is a graduate of Other (2026).

NPPES Registry Identity

NPI1942144035
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDR. ISABELLA SOFIA JOSEPHCredential: FNP-BC
Location Address2001 VAN NESS AVE STE 407San Francisco, CA 94109-3024
Mailing Address570 Price Ave Ste 400Redwood City, CA 94063-1452
Phone(650) 466-6224
Sole ProprietorNo
Medical School CMSOtherGraduated 2026
Enumeration DateApril 17, 2026
Last NPPES UpdateJuly 28, 20263 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
✔ NPI 1942144035 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · NP95040614
Also ListedRegistered NurseTaxonomy 163W00000X · License 95392662 (CA), RN2389545 (MA)
2001 VAN NESS AVE STE 407, San Francisco, CA 94109
Open in Google Maps ↗

Secondary Practice Location 1

Location 1570 Price AveRedwood City, CA 94063-1433 · Phone (650) 466-6224

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Isabella Sofia Joseph Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1759848302
PECOS Enrollment IDI20260804002960
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 Reassignment

Medicare enrollment records show Isabella Joseph reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ucsf Health Medical Foundation
7.8 mi
Pediatrics
6425 CHRISTIE AVE STE 220
Emeryville, CA 94608
  • Reassigned Medicare billing, California enrollment
  • 79 clinicians in this Medicare group
NPI 1043628316 (415) 476-7220

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 94109 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.

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 Isabella Joseph's NPI number?

The NPI number for Isabella Joseph is 1942144035. It was assigned to this individual provider in the NPPES registry on April 17, 2026.

Where is Isabella Joseph located?

Isabella Joseph practices at 2001 Van Ness Ave Ste 407, San Francisco, CA 94109. The listed phone number is (650) 466-6224.

What is Isabella Joseph's specialty?

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

Is Isabella Joseph enrolled in Medicare?

Yes. Isabella Joseph is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Isabella Joseph's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isabella Joseph reassigns Medicare benefits to Ucsf Health Medical Foundation (Emeryville, CA). The 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 Isabella Joseph'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 Isabella Joseph was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.