DR. CHRISTOPHER TAI SHA MD
NPI 1356788152
Internal Medicine in San Francisco, CA
About Dr. Christopher Tai Sha Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTOPHER TAI SHA MD (NPI 1356788152) is an individual internal medicine provider in San Francisco, California, licensed in California (134263) and active in the NPI registry since June 2013. He 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)
Dr. Christopher Tai Sha Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Christopher Sha reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94121 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
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.
SAN FRANCISCO, CA 94121
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 Christopher Sha's NPI number?
The NPI number for Christopher Sha is 1356788152. It was assigned to this individual provider in the NPPES registry on June 3, 2013.
Where is Christopher Sha located?
Christopher Sha practices at 4150 Clement St, San Francisco, CA 94121. The listed phone number is (415) 750-2129.
What is Christopher Sha's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Christopher Sha enrolled in Medicare?
Yes. Christopher Sha is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Christopher Sha's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Sha reassigns Medicare benefits to 4 organizations: Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Regents Of The University Of California (San Francisco, CA) and University Of California Sfgh Medical Group (San Francisco, 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 Christopher Sha'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 Christopher Sha was last updated on May 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Christopher Tai Sha, MD · NPI 1356788152
Internal Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since June 3, 2013.
## Identity
- **NPI:** 1356788152 (Entity type: Individual)
- **Enumerated:** June 3, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 134263 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4150 CLEMENT ST, San Francisco, CA 94121-1563
- **Phone:** (415) 750-2129
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA); Regents Of The University Of California (NPI 1376613943, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1356696215, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 20, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1356788152) · Data from the CMS NPPES public registry.