Sue Yeon Chung, MD.
Rheumatology Physician · Porter Ranch, CA
Sue Yeon Chung, MD. is a rheumatology physician with a practice address in Porter Ranch, California, and NPI 1033396767, issued on Jan 24, 2008. Check the license (California A100200, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sue Yeon Chung
- Credential
- MD.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A100200 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19950 Rinaldi St, Porter Ranch, CA 91326
- Phone
- (818) 403-2420
- Enumerated
- Jan 24, 2008
- Record last updated
- May 17, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 00A1002000 CA
- Medicare enrollment
- Enrolled (PECOS I20080804000243); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 19950 Rinaldi St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nona Ahankoob, M.D.Internal Medicine Physician1790078228
- Shahrzad Akbary, D.O.Dermatology Physician1801279948
- David Chien, MD.Pediatrics Physician1346303674
- Jeremy Cholfin, M.D., PH.D.Neurology Physician1376787424
- Rhonda Dababneh, FNPFamily Nurse Practitioner1700520384
- Edward Degerman, MDSports Medicine (Physical Medicine & Rehabilitation) Physician1598293235
Verify Sue Yeon Chung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,743 Medicare Part D claims for 318 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Prednisone264 claims
- Methotrexate159 claims
- Hydroxychloroquine Sulfate139 claims
- Gabapentin108 claims
- Celecoxib70 claims
- Mycophenolate Mofetil70 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.
Bills Medicare through one group practice
- Providence Facey Medical FoundationPorter Ranch, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sue Yeon Chung among 926 rheumatology physician records in California
Sue Yeon Chung, MD. 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 2008, is newer than 58% of them.
- NPI issued2008 · 58% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2005 · median 2003 among the 641 with a school on file
- Record last updated2012 · 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 Porter Ranch → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Jimmy Hwang, M.D.Northridge, CA 913251316965494
- Michael Vincent, M.D., PH.D.Thousand Oaks, CA 913201154341220
- James Chung, MDSylmar, CA 913421588742415
- Gretel D'Souza, M.D.Sylmar, CA 913421679138531
- Tamara Dahhan, D.O.Sylmar, CA 913421093074627
- Primal Kaur, MD, MBASylmar, CA 913421851380786
- Andrew Wong, M.D.Sylmar, CA 913421427137967
- Rosa Artola, D.O.Mission Hills, CA 913451962848978
Common questions
What is Sue Yeon Chung, MD.'s NPI number?
Sue Yeon Chung, MD.'s National Provider Identifier (NPI) is 1033396767, issued on Jan 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Sue Yeon Chung, MD. located?
The NPPES record lists a practice address at 19950 Rinaldi St, Porter Ranch, CA, 91326. Phone: (818) 403-2420. Providers update this record themselves, so call before visiting.
How can I verify Sue Yeon Chung, MD.'s license?
NPPES lists California license number A100200, 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 Sue Yeon Chung, MD. prescribe under Medicare Part D?
In 2024, Sue Yeon Chung, MD. had 1,743 Medicare Part D claims for 318 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.