William Chun, M.D.
NPI 1700081676 · Rheumatology Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Chun, M.D. is a Rheumatology Physician provider in Atlanta, GA (NPI 1700081676).
Provider details
- NPI number
- 1700081676
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 66469 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 256 | 106 |
| Methotrexate Sodiumbrand: Methotrexate | 193 | 69 |
| Hydroxychloroquine Sulfate | 179 | 68 |
| Adalimumab-Attobrand: Amjevita(cf) Autoinjector | 119 | 27 |
| Leflunomide | 67 | 24 |
| Colchicine | 53 | 22 |
| Allopurinol | 38 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-19
- Last updated
- 2019-09-27
Frequently asked questions
- What is William Chun's NPI number?
- William Chun's National Provider Identifier (NPI) is 1700081676, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Chun's specialty?
- William Chun is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Chun located?
- William Chun's practice location on file with NPPES is 285 Boulevard Ne, Atlanta, GA 30312-4205.
- What is William Chun's phone number?
- The practice phone number listed in the NPPES registry for William Chun is (404) 265-3330.
- Does William Chun accept Medicare?
- William Chun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Chun's NPI active?
- Yes — William Chun's NPI (1700081676) is active in the NPPES registry as of the last update on 2019-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.