REBECCA TSAI
NPI 1447725338
Obstetrics & Gynecology in San Jose, CA
About Rebecca Tsai NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REBECCA TSAI (NPI 1447725338) is an individual obstetrics & gynecology provider in San Jose, California, licensed in California (4409) and active in the NPI registry since October 2018. 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)
Rebecca Tsai is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Rebecca Tsai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80220
- Reassigned Medicare billing, Colorado enrollment
- 10 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 95119 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 JOSE, CA 95119
SAN JOSE, CA 95119
SAN JOSE, CA 95119
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 Rebecca Tsai's NPI number?
The NPI number for Rebecca Tsai is 1447725338. It was assigned to this individual provider in the NPPES registry on October 8, 2018.
Where is Rebecca Tsai located?
Rebecca Tsai practices at 276 International Cir, San Jose, CA 95119. The listed phone number is (408) 972-6202.
What is Rebecca Tsai's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Rebecca Tsai enrolled in Medicare?
Yes. Rebecca Tsai is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Rebecca Tsai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Tsai reassigns Medicare benefits to Drs Cooper & Aptekar PC (Denver, CO). 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 Rebecca Tsai'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 Rebecca Tsai was last updated on October 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.
# Rebecca Tsai · NPI 1447725338
Obstetrics & Gynecology physician in San Jose, California. Individual provider, active in the CMS NPPES registry since October 8, 2018.
## Identity
- **NPI:** 1447725338 (Entity type: Individual)
- **Enumerated:** October 8, 2018
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 4409 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 276 INTERNATIONAL CIR, San Jose, CA 95119-1130
- **Phone:** (408) 972-6202
## 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:** Drs Cooper & Aptekar PC (NPI 1346327046, Denver, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1447725338) · Data from the CMS NPPES public registry.