SHIRLEY CHANG NP-C
NPI 1841841343
Nurse Practitioner - Family in Alhambra, CA
About Shirley Chang Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHIRLEY CHANG NP-C (NPI 1841841343) is an individual family provider in Alhambra, California, licensed in California (95012834) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
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
Shirley Chang Np-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.
Medicare Billing Reassignments
2Medicare enrollment records show Shirley Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Alhambra, CA 91801
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Andy Shen MD Inc
- 50 clinicians in this Medicare group
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91801 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.
ALHAMBRA, CA 91801
ALHAMBRA, CA 91801
ALHAMBRA, CA 91801
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 Shirley Chang's NPI number?
The NPI number for Shirley Chang is 1841841343. It was assigned to this individual provider in the NPPES registry on September 25, 2019.
Where is Shirley Chang located?
Shirley Chang practices at 100 S Raymond Ave, Alhambra, CA 91801. The listed phone number is (626) 570-1606.
What is Shirley Chang's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Shirley Chang enrolled in Medicare?
Yes. Shirley Chang 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 Shirley Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shirley Chang reassigns Medicare benefits to 2 organizations: Andy Shen, M.D., Inc. (Alhambra, 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 Shirley Chang'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 Shirley Chang was last updated on February 20, 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.
# Shirley Chang, NP-C · NPI 1841841343
Family physician in Alhambra, California. Individual provider, active in the CMS NPPES registry since September 25, 2019.
## Identity
- **NPI:** 1841841343 (Entity type: Individual)
- **Enumerated:** September 25, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95012834 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 100 S RAYMOND AVE, Alhambra, CA 91801-3166
- **Phone:** (626) 570-1606
## 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): Andy Shen, M.D., Inc. (NPI 1457427221, Alhambra, CA); Astrana Care Hospitalists, A Medical Corporation (NPI 1265658595, Alhambra, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** February 20, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1841841343) · Data from the CMS NPPES public registry.