TONY THACH HUYNH
NPI 1922740331
Internal Medicine in Santa Clara, CA
About Tony Thach Huynh NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TONY THACH HUYNH (NPI 1922740331) is an individual internal medicine provider in Santa Clara, California, licensed in California (25080) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
Tony Thach Huynh 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 Tony Huynh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94301
- Reassigned Medicare billing, California and Washington enrollments
- 4,479 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 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.
University Of Washington Medical Ctr
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95054 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.
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 Tony Huynh's NPI number?
The NPI number for Tony Huynh is 1922740331. It was assigned to this individual provider in the NPPES registry on April 7, 2022.
Where is Tony Huynh located?
Tony Huynh practices at 2441 Mission College Blvd, Santa Clara, CA 95054. The listed phone number is (408) 720-6668.
What is Tony Huynh's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Tony Huynh enrolled in Medicare?
Yes. Tony Huynh 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 Tony Huynh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tony Huynh reassigns Medicare benefits to 2 organizations: Sutter Bay Medical Foundation (Palo Alto, CA) and The Association Of University Physicians (Seattle, WA). 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 Tony Huynh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tony Huynh accept?
Health plans from Providence Health Plan list Tony Huynh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Tony Huynh affiliated with any hospitals?
According to CMS data, Tony Huynh is affiliated with University Of Washington Medical Ctr.
When was this NPI record last updated?
The NPPES record for Tony Huynh was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Tony Thach Huynh · NPI 1922740331
Internal Medicine physician in Santa Clara, California. Individual provider, active in the CMS NPPES registry since April 7, 2022.
## Identity
- **NPI:** 1922740331 (Entity type: Individual)
- **Enumerated:** April 7, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 25080 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2441 MISSION COLLEGE BLVD, Santa Clara, CA 95054-1214
- **Phone:** (408) 720-6668
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Sutter Bay Medical Foundation (NPI 1013950807, Palo Alto, CA); The Association Of University Physicians (NPI 1023041159, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** August 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1922740331) · Data from the CMS NPPES public registry.