ERIN L YAO-COHEN MD
NPI 1245643311
Hospitalist in San Francisco, CA
About Erin L Yao-cohen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIN L YAO-COHEN MD (NPI 1245643311) is an individual hospitalist provider in San Francisco, California, licensed in California (A147514) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
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
Erin L Yao-cohen 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
6Medicare enrollment records show Erin Yao-cohen reassigns Medicare billing to 6 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
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 637 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
SAN FRANCISCO, CA 94143
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 Erin Yao-cohen's NPI number?
The NPI number for Erin Yao-cohen is 1245643311. It was assigned to this individual provider in the NPPES registry on June 6, 2014.
Where is Erin Yao-cohen located?
Erin Yao-cohen practices at 533 Parnassus Ave U127, San Francisco, CA 94143. The listed phone number is (415) 476-7931.
What is Erin Yao-cohen's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Erin Yao-cohen enrolled in Medicare?
Yes. Erin Yao-cohen 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 Erin Yao-cohen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Yao-cohen reassigns Medicare benefits to 6 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), City & County Of San Francisco (San Francisco, CA), Permanente Medical Group Inc (San Francisco, CA) and 1 more organization, listed in the Medicare section above. 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 Erin Yao-cohen'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 Erin Yao-cohen was last updated on February 24, 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.
# Erin L Yao-Cohen, MD · NPI 1245643311
Hospitalist physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since June 6, 2014.
## Identity
- **NPI:** 1245643311 (Entity type: Individual)
- **Enumerated:** June 6, 2014
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A147514 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 533 PARNASSUS AVE, U127, San Francisco, CA 94143
- **Phone:** (415) 476-7931 · **Fax:** (415) 476-4818
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1376613943, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); City & County Of San Francisco (NPI 1528083300, San Francisco, CA); Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** February 24, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1245643311) · Data from the CMS NPPES public registry.