KATHLEEN DORA BONSMITH MD
NPI 1255794814
Hospitalist in San Francisco, CA
About Kathleen Dora Bonsmith Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHLEEN DORA BONSMITH MD (NPI 1255794814) is an individual hospitalist provider in San Francisco, California, licensed in California (A174817) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kathleen Dora Bonsmith Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Kathleen Bonsmith reassigns Medicare billing to 4 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
- 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
Richland, WA 99352
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: The Association Of Chrmc And University Physicians
- 1,443 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.
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 Kathleen Bonsmith's NPI number?
The NPI number for Kathleen Bonsmith is 1255794814. It was assigned to this individual provider in the NPPES registry on March 31, 2016. The provider is also known as Kathleen Dora Bongiovanni MD.
Where is Kathleen Bonsmith located?
Kathleen Bonsmith practices at 1975 4th St, San Francisco, CA 94143. The listed phone number is (415) 476-1000.
What is Kathleen Bonsmith's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Kathleen Bonsmith enrolled in Medicare?
Yes. Kathleen Bonsmith is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kathleen Bonsmith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Bonsmith reassigns Medicare benefits to 4 organizations: Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Association Of Chmc And University Physicians (Richland, WA). 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 Kathleen Bonsmith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathleen Bonsmith accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Kathleen Bonsmith as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Kathleen Bonsmith was last updated on May 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Kathleen Dora Bonsmith, MD · NPI 1255794814
Hospitalist physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 31, 2016.
## Identity
- **NPI:** 1255794814 (Entity type: Individual)
- **Enumerated:** March 31, 2016
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A174817 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1975 4TH ST, San Francisco, CA 94143-2351
- **Phone:** (415) 476-1000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Ucsf Pediatrics Associates (NPI 1376614016, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Association Of Chmc And University Physicians (NPI 1851680664, Richland, WA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1255794814) · Data from the CMS NPPES public registry.