WILLIAM JUNG CHUN M.D.
NPI 1700081676
Internal Medicine - Rheumatology in Atlanta, GA
About William Jung Chun M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM JUNG CHUN M.D. (NPI 1700081676) is an individual rheumatology provider in Atlanta, Georgia, licensed in Georgia (66469) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William Jung Chun M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show William Chun reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Atlanta, GA 30305
- Reassigned Medicare billing, Georgia enrollment
- 1,389 clinicians in this Medicare group
Roswell, GA 30076
- Reassigned Medicare billing, Georgia enrollment
- 32 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30312 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
ATLANTA, GA 30312
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 William Chun's NPI number?
The NPI number for William Chun is 1700081676. It was assigned to this individual provider in the NPPES registry on June 19, 2007.
Where is William Chun located?
William Chun practices at 285 Boulevard NE Suite 625, Atlanta, GA 30312. The listed phone number is (404) 265-3330.
What is William Chun's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is William Chun enrolled in Medicare?
Yes. William Chun is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for William Chun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Chun reassigns Medicare benefits to 2 organizations: The Southeast Permanente Medical Group (Atlanta, GA) and Arthritis & Rheumatology Center PC (Roswell, GA). Each 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 William Chun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Chun accept?
Health plans from Alliant Health Plans, Inc. and Oscar Health list William Chun as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for William Chun was last updated on September 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# William Jung Chun, M.D. · NPI 1700081676
Rheumatology physician in Atlanta, Georgia. Individual provider, active in the CMS NPPES registry since June 19, 2007.
## Identity
- **NPI:** 1700081676 (Entity type: Individual)
- **Enumerated:** June 19, 2007
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 66469 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 285 BOULEVARD NE, SUITE 625, Atlanta, GA 30312-4205
- **Phone:** (404) 265-3330 · **Fax:** (404) 265-3357
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The Southeast Permanente Medical Group (NPI 1245266956, Atlanta, GA); Arthritis & Rheumatology Center PC (NPI 1467895359, Roswell, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** September 27, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1700081676) · Data from the CMS NPPES public registry.