ALEXANDER TIJONG CHEN DO
NPI 1437851847
Emergency Medicine in Fresno, CA
About Alexander Tijong Chen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER TIJONG CHEN DO (NPI 1437851847) is an individual emergency medicine provider in Fresno, California, licensed in California (23720) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2023).
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
Alexander Tijong Chen Do 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
5Medicare enrollment records show Alexander Chen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fresno, CA 93721
- Reassigned Medicare billing, California enrollment
- 295 clinicians in this Medicare group
Fresno, CA 93720
- Reassigned Medicare billing, California enrollment
- 2,323 clinicians in this Medicare group
Merced, CA 95340
- Reassigned Medicare billing, California enrollment
- 141 clinicians in this Medicare group
Delano, CA 93215
- Reassigned Medicare billing, California enrollment
- 301 clinicians in this Medicare group
San Ramon, CA 94583
- Reassigned Medicare billing, California enrollment
- 168 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 93721 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.
FRESNO, CA 93721
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 Alexander Chen's NPI number?
The NPI number for Alexander Chen is 1437851847. It was assigned to this individual provider in the NPPES registry on March 20, 2023.
Where is Alexander Chen located?
Alexander Chen practices at 2823 Fresno St, Fresno, CA 93721. The listed phone number is (559) 443-2682.
What is Alexander Chen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alexander Chen enrolled in Medicare?
Yes. Alexander Chen 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 Alexander Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Chen reassigns Medicare benefits to 5 organizations: Central California Faculty Medical Group, Inc. (Fresno, CA), Cep America - California (Fresno, CA), San Joaquin Emergency Medical Associates (Merced, CA), Team Physicians Of California Medical Group Inc (Delano, CA) and San Francisco Physicians International Medical Group, Inc (San Ramon, 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 Alexander Chen'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 Alexander Chen was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Alexander Tijong Chen, DO · NPI 1437851847
Emergency Medicine physician in Fresno, California. Individual provider, active in the CMS NPPES registry since March 20, 2023.
## Identity
- **NPI:** 1437851847 (Entity type: Individual)
- **Enumerated:** March 20, 2023
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 23720 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2823 FRESNO ST, Fresno, CA 93721-1324
- **Phone:** (559) 443-2682
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Central California Faculty Medical Group, Inc. (NPI 1457603573, Fresno, CA); Cep America - California (NPI 1396172615, Fresno, CA); San Joaquin Emergency Medical Associates (NPI 1588960413, Merced, CA); Team Physicians Of California Medical Group Inc (NPI 1447288345, Delano, CA); San Francisco Physicians International Medical Group, Inc (NPI 1841220720, San Ramon, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** June 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1437851847) · Data from the CMS NPPES public registry.