William Jung Chun, M.D.
Rheumatology Physician · Atlanta, GA
William Jung Chun, M.D. is a rheumatology physician with a practice address in Atlanta, Georgia, and NPI 1700081676, issued on Jun 19, 2007. Check the license (Georgia 66469, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Jung Chun
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 66469 GA
Self-reported in NPPES; status is on the state search - Practice location
- 285 Boulevard NE, Atlanta, GA 30312
- Phone
- (404) 265-3330
- Enumerated
- Jun 19, 2007
- Record last updated
- Sep 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (404) 265-3357
- Medicare enrollment
- Enrolled (PECOS I20111107000245); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 196 in Georgia → Look up another NPI →
Also registered at 285 Boulevard NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vincent Boswell, M.D., P.C.Orthopaedic Surgery Physician1609865021
- Celio Burrowes, MDSpecialist1023021060
- Caroline Charles-May, MDPediatrics Physician1245253699
- Andy Choi, PTPhysical Therapist1659484954
- Gregory Cumberbatch, MDNeurological Surgery Physician1952552945
- Laura Dirico, FNP-CFamily Nurse Practitioner1215108295
Verify William Jung Chun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 66469Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,308 Medicare Part D claims for 249 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Prednisone256 claims
- Methotrexate193 claims
- Hydroxychloroquine Sulfate179 claims
- Amjevita(Cf) Autoinjector119 claims
- Leflunomide67 claims
- Colchicine53 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.
The MIPS final score for 2023 (Medicare payment program): 92.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Southeast Permanente Medical GroupAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Jung Chun among 196 rheumatology physician records in Georgia
William Jung Chun, M.D. is one of 196 rheumatology physician records with a practice address in Georgia. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 45% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2004 · median 2005 among the 151 with a school on file
- Record last updated2019 · 44% 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 Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Georgia
There are 196 rheumatology physician records in Georgia.
All 196 in Georgia → Every provider in Atlanta → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Uzair Khan, DOAtlanta, GA 303091346879897
- Wambui Machua, M.D.Atlanta, GA 303091144541079
- Adhikari Reddy, M.D.Atlanta, GA 303091760642938
- William Wilson, MDAtlanta, GA 303091063587061
- Kimberley Wilson, M.D.Atlanta, GA 303091699852814
- Frehiywot AyeleAtlanta, GA 303081699925586
- Forrest PowersAtlanta, GA 303081235556366
- Yoon Qiu, M.D.Atlanta, GA 303081679005714
Common questions
What is William Jung Chun, M.D.'s NPI number?
William Jung Chun, M.D.'s National Provider Identifier (NPI) is 1700081676, issued on Jun 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Jung Chun, M.D. located?
The NPPES record lists a practice address at 285 Boulevard NE, Atlanta, GA, 30312. Phone: (404) 265-3330. Providers update this record themselves, so call before visiting.
How can I verify William Jung Chun, M.D.'s license?
NPPES lists Georgia license number 66469, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Jung Chun, M.D. prescribe under Medicare Part D?
In 2024, William Jung Chun, M.D. had 1,308 Medicare Part D claims for 249 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is William Jung Chun, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.