CHRISTINE S TSANG N.P.
NPI 1235332370
Nurse Practitioner in Orinda, CA
About Christine S Tsang N.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINE S TSANG N.P. (NPI 1235332370) is an individual nurse practitioner in Orinda, California, licensed in California (14706) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2003).
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 and accepts Medicare assignment
Christine S Tsang N.p. 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 Reassignment
Medicare enrollment records show Christine Tsang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 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 2
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 94563 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Christine Tsang's NPI number?
The NPI number for Christine Tsang is 1235332370. It was assigned to this individual provider in the NPPES registry on June 6, 2007.
Where is Christine Tsang located?
Christine Tsang practices at 12 Camino Encinas, Orinda, CA 94563. The listed phone number is (510) 204-8171.
What is Christine Tsang's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Christine Tsang enrolled in Medicare?
Yes. Christine Tsang 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 organization bills Medicare for Christine Tsang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christine Tsang reassigns Medicare benefits to Sutter Bay Medical Foundation (Orinda, 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 Christine Tsang'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 Christine Tsang was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Christine S Tsang, N.P. · NPI 1235332370
Nurse Practitioner physician in Orinda, California. Individual provider, active in the CMS NPPES registry since June 6, 2007.
## Identity
- **NPI:** 1235332370 (Entity type: Individual)
- **Enumerated:** June 6, 2007
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 14706 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 12 CAMINO ENCINAS, Orinda, CA 94563-3304
- **Phone:** (510) 204-8171
## 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:** Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** February 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1235332370) · Data from the CMS NPPES public registry.