DR. STEPHANIE ANN CORDONNIER MD
NPI 1588230809
Internal Medicine - Geriatric Medicine in San Francisco, CA
About Dr. Stephanie Ann Cordonnier Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHANIE ANN CORDONNIER MD (NPI 1588230809) is an individual geriatric medicine provider in San Francisco, California, licensed in California (A198072) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Toledo Medical College (2021).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Dr. Stephanie Ann Cordonnier Md 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 Stephanie Cordonnier 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
- 2,112 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
- 5,645 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 94118 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94118
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 Stephanie Cordonnier's NPI number?
The NPI number for Stephanie Cordonnier is 1588230809. It was assigned to this individual provider in the NPPES registry on May 27, 2021.
Where is Stephanie Cordonnier located?
Stephanie Cordonnier practices at 3575 Geary Blvd Fl 1, San Francisco, CA 94118. The listed phone number is (415) 353-4900.
What is Stephanie Cordonnier's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Stephanie Cordonnier enrolled in Medicare?
Yes. Stephanie Cordonnier 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 Stephanie Cordonnier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Cordonnier reassigns Medicare benefits to 3 organizations: Regents Of The University Of California (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and University Of California San Francisco (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 Stephanie Cordonnier'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 Stephanie Cordonnier was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Stephanie Ann Cordonnier, MD · NPI 1588230809
Geriatric Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since May 27, 2021.
## Identity
- **NPI:** 1588230809 (Entity type: Individual)
- **Enumerated:** May 27, 2021
- **Primary specialty:** Internal Medicine - Geriatric Medicine · taxonomy 207RG0300X
- **State license:** A198072 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3575 GEARY BLVD FL 1, San Francisco, CA 94118-3212
- **Phone:** (415) 353-4900
## 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): Regents Of The University Of California (NPI 1235322348, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Toledo Medical College, class of 2021
## Record status
- **NPPES last updated:** December 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1588230809) · Data from the CMS NPPES public registry.