Deborah Sontag
NPI 1104012855 · Nurse Practitioner · Evanston, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deborah Sontag is a Nurse Practitioner provider in Evanston, IL (NPI 1104012855).
Provider details
- NPI number
- 1104012855
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 209006758 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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)
- 2750 W North AveChicago, IL 60647-5247Phone: (312) 666-3494
Registry dates
- Enumerated
- 2007-09-17
- Last updated
- 2025-11-19
- Certified
- 2025-11-19
Frequently asked questions
- What is Deborah Sontag's NPI number?
- Deborah Sontag's National Provider Identifier (NPI) is 1104012855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deborah Sontag's specialty?
- Deborah Sontag is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Deborah Sontag located?
- Deborah Sontag's practice location on file with NPPES is 1600 Dodge Ave, Evanston, IL 60201-3449.
- What is Deborah Sontag's phone number?
- The practice phone number listed in the NPPES registry for Deborah Sontag is (847) 424-7265.
- Does Deborah Sontag accept Medicare?
- Deborah Sontag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deborah Sontag's NPI active?
- Yes — Deborah Sontag's NPI (1104012855) is active in the NPPES registry as of the last update on 2025-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.