Gabriel Spieler, MD
NPI 1538788591 · Pediatrics Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gabriel Spieler, MD is a Pediatrics Physician provider in Chicago, IL (NPI 1538788591).
Provider details
- NPI number
- 1538788591
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 67792 (TN)
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
6 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-10
- Last updated
- 2026-04-08
- Certified
- 2026-04-08
Frequently asked questions
- What is Gabriel Spieler's NPI number?
- Gabriel Spieler's National Provider Identifier (NPI) is 1538788591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gabriel Spieler's specialty?
- Gabriel Spieler is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Gabriel Spieler located?
- Gabriel Spieler's practice location on file with NPPES is 4058 W 63rd St, Chicago, IL 60629-4639.
- What is Gabriel Spieler's phone number?
- The practice phone number listed in the NPPES registry for Gabriel Spieler is (773) 584-6200.
- Does Gabriel Spieler accept Medicare?
- Gabriel Spieler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gabriel Spieler's NPI active?
- Yes — Gabriel Spieler's NPI (1538788591) is active in the NPPES registry as of the last update on 2026-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.