MARGARET ANN FLESHER CNM
NPI 1316464720
Advanced Practice Midwife in San Francisco, CA
About Margaret Ann Flesher Cnm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET ANN FLESHER CNM (NPI 1316464720) is an individual advanced practice midwife in San Francisco, California, licensed in California (236533) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in Denver.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Margaret Ann Flesher Cnm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Margaret Flesher reassigns Medicare billing to 5 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
- 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
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Denver, CO 80204
- Reassigned Medicare billing, Colorado enrollment
- 2,259 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 11
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
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 Margaret Flesher's NPI number?
The NPI number for Margaret Flesher is 1316464720. It was assigned to this individual provider in the NPPES registry on August 25, 2017.
Where is Margaret Flesher located?
Margaret Flesher practices at 1855 4th St Fl 3, San Francisco, CA 94143. The listed phone number is (415) 353-2566.
What is Margaret Flesher's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Margaret Flesher enrolled in Medicare?
Yes. Margaret Flesher is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Margaret Flesher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Flesher reassigns Medicare benefits to 5 organizations: Regents Of The University Of California (San Francisco, CA), Ucsf Dept Of Surgery (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Denver Health And Hospital Authority (Denver, CO). 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 Margaret Flesher'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 Margaret Flesher was last updated on August 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Margaret Ann Flesher, CNM · NPI 1316464720
Advanced Practice Midwife physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since August 25, 2017.
## Identity
- **NPI:** 1316464720 (Entity type: Individual)
- **Enumerated:** August 25, 2017
- **Primary specialty:** Advanced Practice Midwife · taxonomy 367A00000X
- **State license:** 236533 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1855 4TH ST FL 3, San Francisco, CA 94143-2350
- **Phone:** (415) 353-2566
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1235322348, San Francisco, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Denver Health And Hospital Authority (NPI 1477569838, Denver, CO) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1316464720) · Data from the CMS NPPES public registry.