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DR. JOYCE CHAIN-LING CHANG M.D.
NPI 1952357600
Internal Medicine in Alhambra, CA

Active since May 25, 2006PECOS EnrolledAccepts Medicare Assignment
55 S RAYMOND AVE STE 200, ALHAMBRA, CA 91801(626) 570-8005 Get Directions Write a Review

NPPES record last updated: December 7, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 7, 2025, Mar 30, 2021 (2 updates tracked since 2021).

About Dr. Joyce Chain-ling Chang M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOYCE CHAIN-LING CHANG M.D. (NPI 1952357600) is an individual internal medicine provider in Alhambra, California, licensed in California (A71054) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Carson, and is a graduate of Wayne State University School Of Medicine (1998).

NPPES Registry Identity

NPI1952357600
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOYCE CHAIN-LING CHANGCredential: M.D.
Location Address55 S RAYMOND AVE STE 200Alhambra, CA 91801-7103
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203
Phone(626) 570-8005
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 1998
Enumeration DateMay 25, 2006
Last NPPES UpdateDecember 7, 20252 updates tracked since enumeration
NPPES CertifiedDecember 7, 2025
✔ NPI 1952357600 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A71054
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
55 S RAYMOND AVE STE 200, Alhambra, CA 91801
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Secondary Practice Location 1

Location 121501 Avalon Blvd, suite 100Carson, CA 90745-2222 · Phone (310) 835-6627 · Fax (310) 835-6517

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

Dr. Joyce Chain-ling 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.

PECOS PAC ID4284768136
PECOS Enrollment IDI20100816000066
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Joyce Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Healthcare Partners Affiliates Medical Group
8.6 mi
Internal Medicine
1120 W WASHINGTON BLVD
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
NPI 1659312593 (213) 623-2225

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.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PETER K YANG MD
Family Medicine
55 S RAYMOND AVE STE 200
ALHAMBRA, CA 91801
Los Angeles County (626) 570-8005
WENDY LAU MD
Family Medicine
55 S RAYMOND AVE STE 200
ALHAMBRA, CA 91801
Los Angeles County (626) 570-8005
HOLLY LIU NP
Nurse Practitioner (Family)
55 S RAYMOND AVE STE 200
ALHAMBRA, CA 91801
Los Angeles County (626) 570-8005
JONATHAN KEITH WU DO
Internal Medicine
55 S RAYMOND AVE STE 200
ALHAMBRA, CA 91801
Los Angeles County (626) 570-8005
DR. ANDREW TAYLOR YEN DO
Family Medicine
55 S RAYMOND AVE STE 200
ALHAMBRA, CA 91801
Los Angeles County (626) 570-8005
YOUNG SOON YANG NP
Nurse Practitioner (Gerontology)
55 S RAYMOND AVE STE 200
ALHAMBRA, CA 91801
Los Angeles County (626) 570-8005
NALO MARIAMA HAMILTON NURSE PRACTIONER
Nurse Practitioner (Adult Health)
55 S RAYMOND AVE STE 200
ALHAMBRA, CA 91801
Los Angeles County (626) 570-8005
MARI KRISTINE GO PASICOLAN FNP
Nurse Practitioner (Family)
55 S RAYMOND AVE STE 200
ALHAMBRA, CA 91801
Los Angeles County (818) 331-3837

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 Joyce Chang's NPI number?

The NPI number for Joyce Chang is 1952357600. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Where is Joyce Chang located?

Joyce Chang practices at 55 S Raymond Ave Ste 200, Alhambra, CA 91801. The listed phone number is (626) 570-8005.

What is Joyce Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Joyce Chang enrolled in Medicare?

Yes. Joyce 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 organization bills Medicare for Joyce Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joyce Chang reassigns Medicare benefits to Healthcare Partners Affiliates Medical Group (Los Angeles, CA). The 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 Joyce 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 Joyce Chang was last updated on December 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.