Johanna Chi Chang, M.D.
Pediatric Rheumatology Physician · San Diego, CA
Johanna Chi Chang, M.D. is a pediatric rheumatology physician with a practice address in San Diego, California, and NPI 1821242199, issued on Nov 12, 2008. Check the license (California A98479, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Johanna Chi Chang
- Credential
- M.D.
- Primary taxonomy
- Pediatric Rheumatology Physician 2080P0216X
- License number
- A98479 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8110 Birmingham Way, San Diego, CA 92123
- Phone
- (858) 966-8082
- Enumerated
- Nov 12, 2008
- Record last updated
- Nov 17, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (858) 966-6791
- Medicare enrollment
- Enrolled (PECOS I20110919000267); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest pediatric rheumatology physician records → All 62 in California → Look up another NPI →
Also registered at 8110 Birmingham Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Seema Aceves, M.D., PH.D.Allergy & Immunology Physician1366511628
- Kathryn Akong, MD, PHDPediatric Pulmonology Physician1912169061
- Mercedes Amado, M.D.Allergy & Immunology Physician1477510287
- Angela Barney, MDPediatric Adolescent Medicine Physician1477948115
- John Bastian, M.D.Allergy & Immunology Physician1316018179
- Rakesh Bhattacharjee, M.D.Pediatric Pulmonology Physician1588781173
Verify Johanna Chi Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A98479Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $225.32
4 payments; by number, the most common kind was food and beverage; the largest payer was Sobi, Inc. The 185 providers of this specialty with any payment received $2,646.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Rady Children's Hospital San DiegoSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Johanna Chi Chang among 62 pediatric rheumatology physician records in California
Johanna Chi Chang, M.D. is one of 62 pediatric rheumatology physician records with a practice address in California. 40% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.
- NPI issued2008 · 58% of these records are older, 34% newer
- In a Medicare fileYes · 40% of these records are
- In the CMS Doctors and Clinicians fileYes · 18% of these records are
- Graduated2005 · median 2009 among the 11 with a school on file
- Record last updated2011 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0216X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Rheumatology Physician providers in California
There are 62 pediatric rheumatology physician records in California.
All 62 in California → Every provider in San Diego → Pediatric Rheumatology Physician nationwide →
The 8 pediatric rheumatology physician records with the nearest ZIP codes
- Victoria Cartwright, MD, MSSan Diego, CA 921231174591747
- Peter Chiraseveenuprapund, M.D., M.S.San Diego, CA 921231467518209
- Aviya Levy, MDSan Diego, CA 921231144726936
- Omkar Phadke, MD, MBBSSan Diego, CA 921231598140238
- Robert Sheets, M.D.San Diego, CA 921231013088772
- Ilona Szer, M.D.San Diego, CA 921231629149489
- Salvatore Albani, M.D.San Diego, CA 921031962430967
- Canagasundra Balakrishnan, MDFontana, CA 923351902977952
Common questions
What is Johanna Chi Chang, M.D.'s NPI number?
Johanna Chi Chang, M.D.'s National Provider Identifier (NPI) is 1821242199, issued on Nov 12, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Johanna Chi Chang, M.D. located?
The NPPES record lists a practice address at 8110 Birmingham Way, San Diego, CA, 92123. Phone: (858) 966-8082. Providers update this record themselves, so call before visiting.
How can I verify Johanna Chi Chang, M.D.'s license?
NPPES lists California license number A98479, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.