DR. TUAN VAN MAI M.D.
NPI 1326280231
Internal Medicine - Clinical Cardiac Electrophysiology in San Diego, CA
About Dr. Tuan Van Mai M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TUAN VAN MAI M.D. (NPI 1326280231) is an individual clinical cardiac electrophysiology provider in San Diego, California, licensed in California (A113870) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of California, San Diego School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
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
Dr. Tuan Van Mai M.d. 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
4Medicare enrollment records show Tuan Mai reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 218 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 68 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 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.
Areas of Expertise CMS Part B claims 31
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92103 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Tuan Mai's NPI number?
The NPI number for Tuan Mai is 1326280231. It was assigned to this individual provider in the NPPES registry on March 24, 2009.
Where is Tuan Mai located?
Tuan Mai practices at 501 Washington St Ste 512, San Diego, CA 92103. The listed phone number is (619) 297-0014.
What is Tuan Mai's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Tuan Mai enrolled in Medicare?
Yes. Tuan Mai 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 Tuan Mai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tuan Mai reassigns Medicare benefits to 4 organizations: San Diego Heart Arrhythmia Center, Amc (San Diego, CA), On Call Specialists Medical Group Of San Diego, Inc. (San Diego, CA), Scripps Mercy Physicians Cardiology Medical Corporation (San Diego, CA) and Emergency And Acute Care Medical Corporation (San Diego, 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 Tuan Mai'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 Tuan Mai was last updated on May 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.