MS. ANGELA CHIANG M.D.
NPI 1679811384
Internal Medicine in Monterey Park, CA
About Ms. Angela Chiang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ANGELA CHIANG M.D. (NPI 1679811384) is an individual internal medicine provider in Monterey Park, California, licensed in California (A158413) and active in the NPI registry since January 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).
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 and accepts Medicare assignment
Ms. Angela Chiang M.d. 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 Angela Chiang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Monterey Park, CA 91754
- Reassigned Medicare billing, California enrollment
Alhambra, CA 91801
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Apollomed Hospitalists A Medical Corporation
- 53 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91754 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MONTEREY PARK, CA 91754
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 Angela Chiang's NPI number?
The NPI number for Angela Chiang is 1679811384. It was assigned to this individual provider in the NPPES registry on January 30, 2013.
Where is Angela Chiang located?
Angela Chiang practices at 525 N Garfield Ave, Monterey Park, CA 91754. The listed phone number is (626) 573-2222.
What is Angela Chiang's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Angela Chiang enrolled in Medicare?
Yes. Angela Chiang 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 Angela Chiang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Angela Chiang reassigns Medicare benefits to 2 organizations: Angela Chiang Medical Group Inc. (Monterey Park, CA) and Astrana Care Hospitalists, A Medical Corporation (Alhambra, 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 Angela Chiang'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 Angela Chiang was last updated on January 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ms. Angela Chiang, M.D. · NPI 1679811384
Internal Medicine physician in Monterey Park, California. Individual provider, active in the CMS NPPES registry since January 30, 2013.
## Identity
- **NPI:** 1679811384 (Entity type: Individual)
- **Enumerated:** January 30, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A158413 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 525 N GARFIELD AVE, Monterey Park, CA 91754-1202
- **Phone:** (626) 573-2222
## 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): Angela Chiang Medical Group Inc. (NPI 1417669219, Monterey Park, CA); Astrana Care Hospitalists, A Medical Corporation (NPI 1265658595, Alhambra, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** January 16, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1679811384) · Data from the CMS NPPES public registry.