CHRISTOPHER TAN
NPI 1821311887
Student in an Organized Health Care Education/Training Program in Pasadena, CA
About Christopher Tan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER TAN (NPI 1821311887) is an individual student in an organized health care education/training program in Pasadena, California and active in the NPI registry since March 2010. He is a graduate of Kaiser Permanente School Of Medicine (2010).
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
Christopher Tan 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 Reassignments
2Medicare enrollment records show Christopher Tan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Glendora, CA 91740
- Reassigned Medicare billing, California enrollment
- 43 clinicians in this Medicare group
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- 5,228 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.
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 Christopher Tan's NPI number?
The NPI number for Christopher Tan is 1821311887. It was assigned to this individual provider in the NPPES registry on March 5, 2010.
Where is Christopher Tan located?
Christopher Tan practices at 393 E Walnut St, Pasadena, CA 91188. The listed phone number is (626) 405-3224.
What is Christopher Tan's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Christopher Tan enrolled in Medicare?
Yes. Christopher Tan 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 organizations bill Medicare for Christopher Tan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Tan reassigns Medicare benefits to 2 organizations: Glendora Anesthesia Associates LP (Glendora, CA) and Southern California Permanente Medical Group (Chino Hills, 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 Tan'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 Tan was last updated on December 2, 2021. 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.
# Christopher Tan · NPI 1821311887
Student in an Organized Health Care Education/Training Program provider in Pasadena, California. Individual provider, active in the CMS NPPES registry since March 5, 2010.
## Identity
- **NPI:** 1821311887 (Entity type: Individual)
- **Enumerated:** March 5, 2010
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 393 E WALNUT ST, Pasadena, CA 91188-0001
- **Phone:** (626) 405-3224
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Glendora Anesthesia Associates LP (NPI 1750748331, Glendora, CA); Southern California Permanente Medical Group (NPI 1396287082, Chino Hills, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Kaiser Permanente School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** December 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1821311887) · Data from the CMS NPPES public registry.