ISABELLA CHARWAY NP
NPI 1992317309
Nurse Practitioner in San Francisco, CA
About Isabella Charway Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ISABELLA CHARWAY NP (NPI 1992317309) is an individual nurse practitioner in San Francisco, California, licensed in California (NP95021810) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Isabella Charway Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Isabella Charway reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 1,159 clinicians in this Medicare group
San Francisco, CA 94117
- Reassigned Medicare billing, California enrollment
- 132 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.
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.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Isabella Charway's NPI number?
The NPI number for Isabella Charway is 1992317309. It was assigned to this individual provider in the NPPES registry on August 18, 2020.
Where is Isabella Charway located?
Isabella Charway practices at 400 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-4366.
What is Isabella Charway's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Isabella Charway enrolled in Medicare?
Yes. Isabella Charway is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Isabella Charway's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isabella Charway reassigns Medicare benefits to 6 organizations: Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Regents Of The University Of California (San Francisco, CA), Ucsf Dept Of Surgery (San Francisco, CA), Ucsf Pediatrics Associates (San Francisco, CA) and 1 more organization, listed in the Medicare section above. 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 Isabella Charway'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 Charway was last updated on April 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Isabella Charway, NP · NPI 1992317309
Nurse Practitioner physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since August 18, 2020.
## Identity
- **NPI:** 1992317309 (Entity type: Individual)
- **Enumerated:** August 18, 2020
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** NP95021810 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 400 PARNASSUS AVE, San Francisco, CA 94143-2202
- **Phone:** (415) 353-4366 · **Fax:** (415) 353-2669
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA); Regents Of The University Of California (NPI 1376613943, San Francisco, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA); Ucsf Pediatrics Associates (NPI 1376614016, San Francisco, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arizona College Of Medicine, class of 2020
## Record status
- **NPPES last updated:** April 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1992317309) · Data from the CMS NPPES public registry.