Deborah Loeff
NPI 1770525149 · Pediatric Surgery Physician · Chicago, IL
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deborah Loeff is a Pediatric Surgery Physician provider in Chicago, IL (NPI 1770525149).
Provider details
- NPI number
- 1770525149
- Entity type
- Individual
- Primary specialty
- Pediatric Surgery PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 036075438 (IL)
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
20 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)
- 1675 Dempster St Fl 3Park Ridge, IL 60068-1110Phone: (847) 318-9330Fax: (847) 723-9441
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2025-04-03
- Certified
- 2025-04-03
Frequently asked questions
- What is Deborah Loeff's NPI number?
- Deborah Loeff's National Provider Identifier (NPI) is 1770525149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deborah Loeff's specialty?
- Deborah Loeff is listed in the NPPES registry with a primary specialty of Pediatric Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Deborah Loeff located?
- Deborah Loeff's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Deborah Loeff's phone number?
- The practice phone number listed in the NPPES registry for Deborah Loeff is (888) 824-0200.
- Does Deborah Loeff accept Medicare?
- Deborah Loeff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deborah Loeff's NPI active?
- Yes — Deborah Loeff's NPI (1770525149) is active in the NPPES registry as of the last update on 2025-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.