MADELEINE CELIA DREYFUS LCSW
NPI 1588934202
Counselor - Mental Health in San Francisco, CA
About Madeleine Celia Dreyfus Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MADELEINE CELIA DREYFUS LCSW (NPI 1588934202) is an individual mental health provider in San Francisco, California and active in the NPI registry since January 2012. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Madeleine Celia Dreyfus Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Madeleine Dreyfus reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 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.
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.
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
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 Madeleine Dreyfus's NPI number?
The NPI number for Madeleine Dreyfus is 1588934202. It was assigned to this individual provider in the NPPES registry on January 11, 2012.
Where is Madeleine Dreyfus located?
Madeleine Dreyfus practices at 887 Potrero Ave L-Unit, San Francisco, CA 94110. The listed phone number is (415) 206-6346.
What is Madeleine Dreyfus's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Madeleine Dreyfus enrolled in Medicare?
Yes. Madeleine Dreyfus is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Madeleine Dreyfus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Madeleine Dreyfus reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, CA). The 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 Madeleine Dreyfus'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 Madeleine Dreyfus was last updated on September 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Madeleine Celia Dreyfus, LCSW · NPI 1588934202
Mental Health provider in San Francisco, California. Individual provider, active in the CMS NPPES registry since January 11, 2012.
## Identity
- **NPI:** 1588934202 (Entity type: Individual)
- **Enumerated:** January 11, 2012
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** No
## Practice location
- **Address:** 887 POTRERO AVE, L-UNIT, San Francisco, CA 94110-2869
- **Phone:** (415) 206-6346
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 28, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1588934202) · Data from the CMS NPPES public registry.