AMY I-HUI CHUANG MD
NPI 1952433740
Internal Medicine in Redwood City, CA
About Amy I-hui Chuang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY I-HUI CHUANG MD (NPI 1952433740) is an individual internal medicine provider in Redwood City, California, licensed in California (A90243) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses
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
Amy I-hui Chuang 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 Amy Chuang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of San Mateo
- Also billed through NPI 1831268580 (California)
- 597 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94063 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.
REDWOOD CITY, CA 94063
REDWOOD CITY, CA 94063
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 Amy Chuang's NPI number?
The NPI number for Amy Chuang is 1952433740. It was assigned to this individual provider in the NPPES registry on March 9, 2007.
Where is Amy Chuang located?
Amy Chuang practices at 1150 Veterans Blvd, Redwood City, CA 94063. The listed phone number is (650) 299-2015.
What is Amy Chuang's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Amy Chuang enrolled in Medicare?
Yes. Amy Chuang 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 Amy Chuang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Chuang reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Redwood City, CA) and San Mateo County (Redwood City, 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 Amy Chuang'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 Amy Chuang was last updated on December 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Amy I-Hui Chuang, MD · NPI 1952433740
Internal Medicine physician in Redwood City, California. Individual provider, active in the CMS NPPES registry since March 9, 2007.
## Identity
- **NPI:** 1952433740 (Entity type: Individual)
- **Enumerated:** March 9, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A90243 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1150 VETERANS BLVD, Redwood City, CA 94063-2037
- **Phone:** (650) 299-2015
## 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): Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA); San Mateo County (NPI 1912926692, Redwood City, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Saint Louis University School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** December 9, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1952433740) · Data from the CMS NPPES public registry.