MS. REBECCA LEIGH BUTI ARNP
NPI 1023016524
Nurse Practitioner - Adult Health in San Francisco, CA
About Ms. Rebecca Leigh Buti Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. REBECCA LEIGH BUTI ARNP (NPI 1023016524) is an individual adult health provider in San Francisco, California, licensed in California (515082) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Ms. Rebecca Leigh Buti Arnp 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
3Medicare enrollment records show Rebecca Buti reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 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.
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 Rebecca Buti's NPI number?
The NPI number for Rebecca Buti is 1023016524. It was assigned to this individual provider in the NPPES registry on July 8, 2005.
Where is Rebecca Buti located?
Rebecca Buti practices at 400 Parnassus Ave, 6th Floor, A6110 Ucsf Medical Center, Vascular Surgery Clinic, San Francisco, CA 94143. The listed phone number is (415) 353-2357.
What is Rebecca Buti's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Rebecca Buti enrolled in Medicare?
Yes. Rebecca Buti 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 Rebecca Buti's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Buti reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ucsf Dept Of Surgery (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 Rebecca Buti'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 Rebecca Buti was last updated on March 13, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Ms. Rebecca Leigh Buti, ARNP · NPI 1023016524
Adult Health physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since July 8, 2005.
## Identity
- **NPI:** 1023016524 (Entity type: Individual)
- **Enumerated:** July 8, 2005
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 515082 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 PARNASSUS AVE, 6TH FLOOR, A6110, UCSF MEDICAL CENTER, VASCULAR SURGERY CLINIC, San Francisco, CA 94143-0222
- **Phone:** (415) 353-2357 · **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:** 3 organizations under Medicare reassignment (form CMS-855R): University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** March 13, 2008
- **Other identifiers:** Medicare ID-Type Unspecified Y0074X; Medicare UPIN P37685
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Source: [NPI Profile](https://npiprofile.com/npi/1023016524) · Data from the CMS NPPES public registry.