THERESA MAI-HWANG PA-C
NPI 1629670914
Physician Assistant in Stanford, CA
About Theresa Mai-hwang Pa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THERESA MAI-HWANG PA-C (NPI 1629670914) is an individual physician assistant in Stanford, California, licensed in California (58830) and active in the NPI registry since November 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Theresa Mai-hwang Pa-c 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94305 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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Theresa Mai-hwang's NPI number?
The NPI number for Theresa Mai-hwang is 1629670914. It was assigned to this individual provider in the NPPES registry on November 11, 2020.
Where is Theresa Mai-hwang located?
Theresa Mai-hwang practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Theresa Mai-hwang's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Theresa Mai-hwang enrolled in Medicare?
Yes. Theresa Mai-hwang 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.
When was this NPI record last updated?
The NPPES record for Theresa Mai-hwang was last updated on December 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Theresa Mai-Hwang, PA-C · NPI 1629670914
Physician Assistant physician in Stanford, California. Individual provider, active in the CMS NPPES registry since November 11, 2020.
## Identity
- **NPI:** 1629670914 (Entity type: Individual)
- **Enumerated:** November 11, 2020
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** 58830 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** December 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1629670914) · Data from the CMS NPPES public registry.