CHRISTOPHER ADI TAN MD
NPI 1912902602
Pediatrics - Pediatric Cardiology in Long Beach, CA
About Christopher Adi Tan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER ADI TAN MD (NPI 1912902602) is an individual pediatric cardiology provider in Long Beach, California, licensed in California (A70509) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Kadlec Regional Medical Center, and maintains a secondary practice location in Long Beach.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 Adi Tan Md 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
3Medicare enrollment records show Christopher Tan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 clinicians in this Medicare group
Irvine, CA 92604
- Reassigned Medicare billing, California enrollment
- 45 clinicians in this Medicare group
Dededo, GU 96929
- Reassigned Medicare billing, Guam enrollment
- 432 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kadlec Regional Medical Center
Acute Care Hospitals · Richland, WAMedicare 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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LONG BEACH, CA 90806
LONG BEACH, CA 90806
LONG BEACH, CA 90806
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 1912902602. It was assigned to this individual provider in the NPPES registry on June 17, 2005.
Where is Christopher Tan located?
Christopher Tan practices at 2701 Atlantic Ave, Long Beach, CA 90806. The listed phone number is (714) 377-6993.
What is Christopher Tan's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
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 3 organizations: Memorialcare Medical Foundation (Fountain Valley, CA), Pacific Cardiovascular Associates Medical Group, Inc. (Irvine, CA) and Guam Healthcare Development Incorporated (Dededo, GU). 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.
Is Christopher Tan affiliated with any hospitals?
According to CMS data, Christopher Tan is affiliated with Kadlec Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Christopher Tan was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Christopher Adi Tan, MD · NPI 1912902602
Pediatric Cardiology physician in Long Beach, California. Individual provider, active in the CMS NPPES registry since June 17, 2005.
## Identity
- **NPI:** 1912902602 (Entity type: Individual)
- **Enumerated:** June 17, 2005
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** A70509 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2701 ATLANTIC AVE, Long Beach, CA 90806-2701
- **Phone:** (714) 377-6993 · **Fax:** (562) 427-1987
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Memorialcare Medical Foundation (NPI 1205167350, Fountain Valley, CA); Pacific Cardiovascular Associates Medical Group, Inc. (NPI 1700821691, Irvine, CA); Guam Healthcare Development Incorporated (NPI 1326447939, Dededo, GU) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 1998
## Record status
- **NPPES last updated:** March 31, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1912902602) · Data from the CMS NPPES public registry.