MARYBETH MULCAHY MD
NPI 1154409704
Emergency Medicine in San Francisco, CA
About Marybeth Mulcahy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARYBETH MULCAHY MD (NPI 1154409704) is an individual emergency medicine provider in San Francisco, California, licensed in California (G75020) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marybeth Mulcahy Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Marybeth Mulcahy 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 94116
- Reassigned Medicare billing, California enrollment
- 20,078 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
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 94115 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.
SAN FRANCISCO, CA 94115
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 Marybeth Mulcahy's NPI number?
The NPI number for Marybeth Mulcahy is 1154409704. It was assigned to this individual provider in the NPPES registry on November 1, 2006. The provider is also known as Beth Mulcahy.
Where is Marybeth Mulcahy located?
Marybeth Mulcahy practices at 2200 Ofarrell St, San Francisco, CA 94115. The listed phone number is (415) 833-2000.
What is Marybeth Mulcahy's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Marybeth Mulcahy enrolled in Medicare?
Yes. Marybeth Mulcahy is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Marybeth Mulcahy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marybeth Mulcahy reassigns Medicare benefits to 3 organizations: Permanente Medical Group Inc (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Marybeth Mulcahy'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 Marybeth Mulcahy was last updated on August 7, 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.
# Marybeth Mulcahy, MD · NPI 1154409704
Emergency Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since November 1, 2006.
## Identity
- **NPI:** 1154409704 (Entity type: Individual)
- **Enumerated:** November 1, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** G75020 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2200 OFARRELL ST, San Francisco, CA 94115-3357
- **Phone:** (415) 833-2000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 7, 2025
- **Other identifiers:** Medicaid 00G750200 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1154409704) · Data from the CMS NPPES public registry.