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JOHANNA CHI CHANG M.D.
NPI 1821242199
Pediatrics - Pediatric Rheumatology in San Diego, CA

Active since November 12, 2008PECOS Enrolled
8110 BIRMINGHAM WAY, BLDG 28, SAN DIEGO, CA 92123(858) 966-8082(858) 966-6791 Get Directions Write a Review

NPPES record last updated: November 17, 2011. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Johanna Chi Chang M.d. NPPES

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

JOHANNA CHI CHANG M.D. (NPI 1821242199) is an individual pediatric rheumatology provider in San Diego, California, licensed in California (A98479) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821242199
Entity TypeIndividualFemale
Primary Taxonomy2080P0216X
Provider Legal NameJOHANNA CHI CHANGCredential: M.D.
Location Address8110 BIRMINGHAM WAY, BLDG 28San Diego, CA 92123-2758
Mailing Address3860 Calle Fortunada, Ste #210San Diego, CA 92123-4802 · (858) 309-6303
Phone(858) 966-8082
Fax(858) 966-6791
Sole ProprietorNo
Enumeration DateNovember 12, 2008
Last NPPES UpdateNovember 17, 2011
✔ NPI 1821242199 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0216X
License✔ Licensed in CA · A98479
Definition
A pediatrician who treats diseases of joints, muscle, bones and tendons. A pediatric rheumatologist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedPediatricsTaxonomy 208000000X · License A98479 (CA)
8110 BIRMINGHAM WAY, San Diego, CA 92123
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Johanna Chi Chang M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Johanna Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rady Children's Hospital San Diego
0.1 mi
Pediatrics
3020 CHILDRENS WAY
San Diego, CA 92123
  • Reassigned Medicare billing, California enrollment
  • 562 clinicians in this Medicare group
NPI 1669617197 (858) 966-5911

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

MRS. SARA OJEDA LOPEZ CPNP
Nurse Practitioner (Pediatrics)
8110 BIRMINGHAM WAY, BLDG 28
SAN DIEGO, CA 92123
San Diego County (858) 966-5961
ROBERT MILLER SHEETS M.D.
Pediatrics (Pediatric Rheumatology)
8110 BIRMINGHAM WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-8082
JEANNIE SHIH HUANG M.D.
Pediatrics (Pediatric Gastroenterology)
8110 BIRMINGHAM WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-4003
JOEL EDWARD LAVINE M.D., PH.D.
Pediatrics (Pediatric Gastroenterology)
8110 BIRMINGHAM WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-4003
MICHAEL EVERETT GOTTSCHALK M.D., PH.D.
Pediatrics (Pediatric Endocrinology)
8110 BIRMINGHAM WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-4032
MAJA MARINKOVIC M.D.
Pediatrics (Pediatric Endocrinology)
8110 BIRMINGHAM WAY, BUILDING 28
SAN DIEGO, CA 92123
San Diego County (858) 966-4032
MEERANA LIM M.D.
Pediatrics (Pediatric Pulmonology)
8110 BIRMINGHAM WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-5846
DANA PATTON-KU M.D.
Pediatrics (Pediatric Gastroenterology)
8110 BIRMINGHAM WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-4003

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 Johanna Chang's NPI number?

The NPI number for Johanna Chang is 1821242199. It was assigned to this individual provider in the NPPES registry on November 12, 2008.

Where is Johanna Chang located?

Johanna Chang practices at 8110 Birmingham Way Bldg 28, San Diego, CA 92123. The listed phone number is (858) 966-8082.

What is Johanna Chang's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Rheumatology, with taxonomy code 2080P0216X.

Is Johanna Chang enrolled in Medicare?

Yes. Johanna Chang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Johanna Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Johanna Chang reassigns Medicare benefits to Rady Children's Hospital San Diego (San Diego, 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 Johanna 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 Johanna Chang was last updated on November 17, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.