MAI THY T TRUONG MD
NPI 1861689705
Otolaryngology - Pediatric Otolaryngology in Palo Alto, CA
About Mai Thy T Truong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAI THY T TRUONG MD (NPI 1861689705) is an individual pediatric otolaryngology provider in Palo Alto, California, licensed in California (A88089) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of University Of California, Irvine, California College Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 2
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
Mai Thy T Truong 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
2Medicare enrollment records show Mai Thy Truong 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 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 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.
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 Mai Thy Truong's NPI number?
The NPI number for Mai Thy Truong is 1861689705. It was assigned to this individual provider in the NPPES registry on September 25, 2007.
Where is Mai Thy Truong located?
Mai Thy Truong practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.
What is Mai Thy Truong's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is Mai Thy Truong enrolled in Medicare?
Yes. Mai Thy Truong 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 Mai Thy Truong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mai Thy Truong reassigns Medicare benefits to 2 organizations: Lpch Medical Group Div Of Lucile (Palo Alto, CA) and Stanford Health Care (Stanford, 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 Mai Thy Truong'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 Mai Thy Truong was last updated on April 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mai Thy T Truong, MD · NPI 1861689705
Pediatric Otolaryngology physician in Palo Alto, California. Individual provider, active in the CMS NPPES registry since September 25, 2007.
## Identity
- **NPI:** 1861689705 (Entity type: Individual)
- **Enumerated:** September 25, 2007
- **Primary specialty:** Otolaryngology - Pediatric Otolaryngology · taxonomy 207YP0228X
- **State license:** A88089 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 725 WELCH RD, Palo Alto, CA 94304-1601
- **Phone:** (650) 497-8000
## 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): Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Stanford Health Care (NPI 1437292927, Stanford, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 2003
## Record status
- **NPPES last updated:** April 29, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1861689705) · Data from the CMS NPPES public registry.