Juliana Chang
Rheumatology Physician · Downey, CA
Juliana Chang is a rheumatology physician with a practice address in Downey, California, and NPI 1801239009, issued on Apr 8, 2013. Check the license (California A146090, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Juliana Chang
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A146090 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9333 Imperial Hwy, Downey, CA 90242
- Phone
- (833) 574-2273
- Enumerated
- Apr 8, 2013
- Record last updated
- Jan 6, 2023
- Medicare enrollment
- Enrolled (PECOS I20210112002478); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 9333 Imperial Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Fataneh Amidi, MDObstetrics & Gynecology Physician1134357981
- Fariba Amini, RCPRegistered Respiratory Therapist1962984302
- Orland AndayaRegistered Respiratory Therapist1598247751
- Michelle Andersen, D.P.T.Physical Therapist1295165231
Verify Juliana Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A146090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,796 Medicare Part D claims for 410 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Methotrexate308 claims
- Hydroxychloroquine Sulfate282 claims
- Leflunomide200 claims
- Prednisone153 claims
- Allopurinol99 claims
- Sulfasalazine89 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $5,525.07
7 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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
- Southern California Permanente Medical GroupBellflower, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Juliana Chang among 926 rheumatology physician records in California
Juliana Chang is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 75% of them.
- NPI issued2013 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2015 · median 2003 among the 641 with a school on file
- Record last updated2023 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Downey → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Mark Borigini, M.D.Downey, CA 902421043257082
- Julia Buchfuhrer, D.O.Downey, CA 902411093179319
- Lauren Mathias, M.D.Downey, CA 902411912361072
- Solomon Forouzesh, M.D.Culver City, CA 902321457548133
- Elaine Batchlor, MDCompton, CA 902221992214837
- Craig Gordon, MDBeverly Hills, CA 902121215934971
- Shirin Bagheri, M.D.Beverly Hills, CA 902111821341892
- Chia-Chi Lee, M.D., M.P.H.Beverly Hills, CA 902111609221506
Common questions
What is Juliana Chang's NPI number?
Juliana Chang's National Provider Identifier (NPI) is 1801239009, issued on Apr 8, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Juliana Chang located?
The NPPES record lists a practice address at 9333 Imperial Hwy, Downey, CA, 90242. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.
How can I verify Juliana Chang's license?
NPPES lists California license number A146090, 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.
How much does Juliana Chang prescribe under Medicare Part D?
In 2024, Juliana Chang had 1,796 Medicare Part D claims for 410 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
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.