Stephen Duck, MD
NPI 1992872485 · Pediatric Endocrinology Physician · Skokie, IL
Stephen Duck, MD is a Pediatric Endocrinology Physician provider in Skokie, IL (NPI 1992872485).
Provider details
- NPI number
- 1992872485
- Entity type
- Individual
- Primary specialty
- Pediatric Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
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
83% 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen Duck's NPI number?
- Stephen Duck's National Provider Identifier (NPI) is 1992872485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Duck's specialty?
- Stephen Duck is listed in the NPPES registry with a primary specialty of Pediatric Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Duck located?
- Stephen Duck's practice location on file with NPPES is 9977 Woods Dr, Skokie, IL 60077-1057.
- What is Stephen Duck's phone number?
- The practice phone number listed in the NPPES registry for Stephen Duck is (847) 663-8508.
- Is Stephen Duck's NPI active?
- Yes — Stephen Duck's NPI (1992872485) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.