DR. JOHN CUONG TANG M.D
NPI 1437145042
Physical Medicine & Rehabilitation in Saratoga, CA
About Dr. John Cuong Tang M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN CUONG TANG M.D (NPI 1437145042) is an individual physical medicine & rehabilitation provider in Saratoga, California, licensed in California (A70341) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John Cuong Tang M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Tang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 2,460 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.
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 John Tang's NPI number?
The NPI number for John Tang is 1437145042. It was assigned to this individual provider in the NPPES registry on September 20, 2005.
Where is John Tang located?
John Tang practices at 14410 Big Basin Way, Saratoga, CA 95070. The listed phone number is (408) 221-7184.
What is John Tang's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is John Tang enrolled in Medicare?
Yes. John Tang is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Tang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Tang reassigns Medicare benefits to County Of Santa Clara (San Jose, CA). The 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 John Tang'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 John Tang was last updated on October 14, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.