TANIA BASU SERNA M.D.
NPI 1790941177
Obstetrics & Gynecology in San Francisco, CA
About Tania Basu Serna M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TANIA BASU SERNA M.D. (NPI 1790941177) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (A103418) and active in the NPI registry since August 2008. 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)
Tania Basu Serna M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Tania Serna reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 61 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
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 1,001 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.
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.
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 Tania Serna's NPI number?
The NPI number for Tania Serna is 1790941177. It was assigned to this individual provider in the NPPES registry on August 5, 2008. The provider is also known as Tania Basu MD.
Where is Tania Serna located?
Tania Serna practices at 2356 Sutter St, San Francisco, CA 94115. The listed phone number is (415) 885-7788.
What is Tania Serna's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Tania Serna enrolled in Medicare?
Yes. Tania Serna is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Tania Serna's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tania Serna reassigns Medicare benefits to 5 organizations: Planned Parenthood Shasta Diablo, Inc. (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Cedars-Sinai Medical Care Foundation (Los Angeles, CA) and Cedars-Sinai Medical Center (Los Angeles, 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 Tania Serna'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 Tania Serna was last updated on March 10, 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.
# Tania Basu Serna, M.D. · NPI 1790941177
Obstetrics & Gynecology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since August 5, 2008.
## Identity
- **NPI:** 1790941177 (Entity type: Individual)
- **Enumerated:** August 5, 2008
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A103418 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2356 SUTTER ST, San Francisco, CA 94115-3006
- **Phone:** (415) 885-7788
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Planned Parenthood Shasta Diablo, Inc. (NPI 1851692560, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Cedars-Sinai Medical Care Foundation (NPI 1043826720, Los Angeles, CA); Cedars-Sinai Medical Center (NPI 1639172372, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 10, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1790941177) · Data from the CMS NPPES public registry.