SARA RUMMELHOFF NP
NPI 1497277354
Nurse Practitioner in Stanford, CA
About Sara Rummelhoff Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARA RUMMELHOFF NP (NPI 1497277354) is an individual nurse practitioner in Stanford, California, licensed in California (95021893) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sara Rummelhoff Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show Sara Rummelhoff reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 314 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 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Chicago, IL 60625
- Reassigned Medicare billing, Illinois enrollment
- 350 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 94305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Sara Rummelhoff's NPI number?
The NPI number for Sara Rummelhoff is 1497277354. It was assigned to this individual provider in the NPPES registry on July 12, 2017. The provider is also known as Sara Renee Backing.
Where is Sara Rummelhoff located?
Sara Rummelhoff practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Sara Rummelhoff's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Sara Rummelhoff enrolled in Medicare?
Yes. Sara Rummelhoff is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sara Rummelhoff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sara Rummelhoff reassigns Medicare benefits to 8 organizations: Sutter Bay Medical Foundation (Palo Alto, CA), El Camino Health Medical Network, LLC (San Jose, CA), Regents Of The University Of California (San Francisco, CA), Ucsf Dept Of Surgery (San Francisco, CA), Ucsf Pediatrics Associates (San Francisco, CA) and 3 more organizations, 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 Sara Rummelhoff'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 Sara Rummelhoff was last updated on March 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Sara Rummelhoff, NP · NPI 1497277354
Nurse Practitioner physician in Stanford, California. Individual provider, active in the CMS NPPES registry since July 12, 2017.
## Identity
- **NPI:** 1497277354 (Entity type: Individual)
- **Enumerated:** July 12, 2017
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 95021893 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Sutter Bay Medical Foundation (NPI 1013950807, Palo Alto, CA); El Camino Health Medical Network, LLC (NPI 1164880761, San Jose, 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 3 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1497277354) · Data from the CMS NPPES public registry.