Joy Williams, MD
NPI 1003346420 · Pulmonary Disease Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joy Williams, MD is a Pulmonary Disease Physician provider in Chicago, IL (NPI 1003346420).
Provider details
- NPI number
- 1003346420
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036152501 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (2)
- 1000 N Westmoreland RdLake Forest, IL 60045-1658Phone: (847) 234-5600Fax: (847) 535-7203
- 1120 W Michigan St # Cl630Indianapolis, IN 46202-5209Phone: (317) 278-2686
Registry dates
- Enumerated
- 2017-06-18
- Last updated
- 2025-06-05
- Certified
- 2025-06-05
Frequently asked questions
- What is Joy Williams's NPI number?
- Joy Williams's National Provider Identifier (NPI) is 1003346420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joy Williams's specialty?
- Joy Williams is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Joy Williams located?
- Joy Williams's practice location on file with NPPES is 2012 W 17th St Unit 308, Chicago, IL 60608-1825.
- What is Joy Williams's phone number?
- The practice phone number listed in the NPPES registry for Joy Williams is (773) 744-9406.
- Does Joy Williams accept Medicare?
- Joy Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joy Williams's NPI active?
- Yes — Joy Williams's NPI (1003346420) is active in the NPPES registry as of the last update on 2025-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.