Diana Stiegal, DO
NPI 1477181204 · Pediatrics Physician · Glen Ellyn, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Stiegal, DO is a Pediatrics Physician provider in Glen Ellyn, IL (NPI 1477181204).
Provider details
- NPI number
- 1477181204
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 125.046468 (IL)
Specialties & taxonomies
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
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 4440 W 95th StOak Lawn, IL 60453-2600Phone: (708) 684-8000
Registry dates
- Enumerated
- 2020-03-28
- Last updated
- 2023-09-05
- Certified
- 2023-09-05
Frequently asked questions
- What is Diana Stiegal's NPI number?
- Diana Stiegal's National Provider Identifier (NPI) is 1477181204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Stiegal's specialty?
- Diana Stiegal is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Stiegal located?
- Diana Stiegal's practice location on file with NPPES is 885 Roosevelt Rd Ste 202, Glen Ellyn, IL 60137-6141.
- What is Diana Stiegal's phone number?
- The practice phone number listed in the NPPES registry for Diana Stiegal is (630) 790-1555.
- Does Diana Stiegal accept Medicare?
- Diana Stiegal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Stiegal's NPI active?
- Yes — Diana Stiegal's NPI (1477181204) is active in the NPPES registry as of the last update on 2023-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.