DR. SARAH MARIE KELMENSON-CHAU MD
NPI 1689796674
Emergency Medicine in Berkeley, CA
About Dr. Sarah Marie Kelmenson-chau Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SARAH MARIE KELMENSON-CHAU MD (NPI 1689796674) is an individual emergency medicine provider in Berkeley, California, licensed in California (A98209) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Sarah Marie Kelmenson-chau Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sarah Kelmenson-chau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Berkeley, CA 94702
- Reassigned Medicare billing, California enrollment
- 241 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 94705 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
BERKELEY, CA 94705
BERKELEY, CA 94705
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 Sarah Kelmenson-chau's NPI number?
The NPI number for Sarah Kelmenson-chau is 1689796674. It was assigned to this individual provider in the NPPES registry on April 3, 2007. The provider is also known as Dr. Sarah Marie Kelmenson MD.
Where is Sarah Kelmenson-chau located?
Sarah Kelmenson-chau practices at 3010 Colby St Suite 212, Berkeley, CA 94705. The listed phone number is (510) 843-1200.
What is Sarah Kelmenson-chau's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Sarah Kelmenson-chau enrolled in Medicare?
Yes. Sarah Kelmenson-chau is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sarah Kelmenson-chau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Kelmenson-chau reassigns Medicare benefits to Lifelong Medical Care (Berkeley, 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 Sarah Kelmenson-chau'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 Sarah Kelmenson-chau was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Sarah Marie Kelmenson-Chau, MD · NPI 1689796674
Emergency Medicine physician in Berkeley, California. Individual provider, active in the CMS NPPES registry since April 3, 2007.
## Identity
- **NPI:** 1689796674 (Entity type: Individual)
- **Enumerated:** April 3, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A98209 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3010 COLBY ST, SUITE 212, Berkeley, CA 94705-2059
- **Phone:** (510) 843-1200
## 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:** Lifelong Medical Care (NPI 1689670002, Berkeley, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1689796674) · Data from the CMS NPPES public registry.