MISS YIN CHU ANNY CHANG M.D.
NPI 1487979043
Internal Medicine in Anaheim, CA
About Miss Yin Chu Anny Chang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MISS YIN CHU ANNY CHANG M.D. (NPI 1487979043) is an individual internal medicine provider in Anaheim, California, licensed in California (A123781) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS and is a graduate of University Of Texas Southwestern Medical School At Dallas (2010).
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
Miss Yin Chu Anny Chang 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
3Medicare enrollment records show Yin Chu Chang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 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 92806 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.
ANAHEIM, CA 92806
ANAHEIM, CA 92806
ANAHEIM, CA 92806
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 Yin Chu Chang's NPI number?
The NPI number for Yin Chu Chang is 1487979043. It was assigned to this individual provider in the NPPES registry on April 7, 2010.
Where is Yin Chu Chang located?
Yin Chu Chang practices at 3440 E La Palma Ave, Anaheim, CA 92806. The listed phone number is (714) 644-2000.
What is Yin Chu Chang's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Yin Chu Chang enrolled in Medicare?
Yes. Yin Chu 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 Yin Chu Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yin Chu Chang reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (Anaheim, CA), Inpatient Specialists Of California, PC (San Bernardino, CA) and Hospitalist Medicine Physicians Of California, Inc (Apple Valley, 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 Yin Chu 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 Yin Chu Chang was last updated on November 23, 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.
# Miss Yin Chu Anny Chang, M.D. · NPI 1487979043
Internal Medicine physician in Anaheim, California. Individual provider, active in the CMS NPPES registry since April 7, 2010.
## Identity
- **NPI:** 1487979043 (Entity type: Individual)
- **Enumerated:** April 7, 2010
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A123781 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3440 E LA PALMA AVE, Anaheim, CA 92806-2020
- **Phone:** (714) 644-2000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1952333460, Anaheim, CA); Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA); Hospitalist Medicine Physicians Of California, Inc (NPI 1184663965, Apple Valley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2010
## Record status
- **NPPES last updated:** November 23, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1487979043) · Data from the CMS NPPES public registry.