1. Home
  2. Directory
  3. Illinois
  4. Evanston
  5. Nurse Practitioner
  6. NPI Profile

DEBORAH MICHELLE SONTAG
NPI 1104012855
Nurse Practitioner in Evanston, IL

Active since September 17, 2007PECOS Enrolled
1600 DODGE AVE, EVANSTON, IL 60201(847) 424-7265(847) 492-5809 Get Directions Write a Review

NPPES record last updated: November 19, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 19, 2025, Aug 9, 2021 (2 updates tracked since 2021).

About Deborah Michelle Sontag NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DEBORAH MICHELLE SONTAG (NPI 1104012855) is an individual nurse practitioner in Evanston, Illinois, licensed in Illinois (209006758) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1104012855
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameDEBORAH MICHELLE SONTAG
Location Address1600 DODGE AVEEvanston, IL 60201-3449
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 733-5315
Phone(847) 424-7265
Fax(847) 492-5809
Sole ProprietorNo
Enumeration DateSeptember 17, 2007
Last NPPES UpdateNovember 19, 20252 updates tracked since enumeration
NPPES CertifiedNovember 19, 2025
✔ NPI 1104012855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in IL · 209006758
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 209006758 (IL)
1600 DODGE AVE, Evanston, IL 60201
Open in Google Maps ↗

Secondary Practice Location 1

Location 12750 W North AveChicago, IL 60647-5247 · Phone (312) 666-3494

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Deborah Michelle Sontag is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Deborah Sontag reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Erie Family Health Center Inc
0.4 mi
Federally Qualified Health Center (FQHC)
1285 HARTREY
Evanston, IL 60202
  • Reassigned Medicare billing, Illinois enrollment
  • 383 clinicians in this Medicare group
NPI 1629328836 (312) 666-3494
Endeavor Health Medical Group
1.5 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EVANSTON TOWNSHIP HIGH SCHOOL HEALTH CENTER
Clinic/Center (Student Health)
1600 DODGE AVE, ROOM H-101
EVANSTON, IL 60201
Cook County (847) 424-7265
MICHAEL J GOLDEN
Social Worker (School)
1600 DODGE AVE
EVANSTON, IL 60201
Cook County (847) 424-7000
MR. BRUCE ROMAIN ATC/LAT
Specialist/Technologist (Athletic Trainer)
1600 DODGE AVE
EVANSTON, IL 60201
Cook County (847) 424-7700
MEGAN SMALLEY
Specialist/Technologist (Athletic Trainer)
1600 DODGE AVE
EVANSTON, IL 60201
Cook County (847) 424-7373
EVANSTON TOWNSHIP HDS 202
Local Education Agency (LEA)
1600 DODGE AVE
EVANSTON, IL 60201
Cook County (847) 424-7010
MS. CHANNING MICHELLE AKINRINADE MS. CCC-SLP
Speech-Language Pathologist
1600 DODGE AVE
EVANSTON, IL 60201
Cook County (847) 424-7065
MR. CHAD ERIC HARRIS M.ED., ATC
Specialist/Technologist (Athletic Trainer)
1600 DODGE AVE
EVANSTON, IL 60201
Cook County (847) 424-7373
ALEXIS MERCEDES GUTIERREZ
Student in an Organized Health Care Education/Training Program
1600 DODGE AVE
EVANSTON, IL 60201
Cook County (713) 449-7568

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Deborah Sontag's NPI number?

The NPI number for Deborah Sontag is 1104012855. It was assigned to this individual provider in the NPPES registry on September 17, 2007.

Where is Deborah Sontag located?

Deborah Sontag practices at 1600 Dodge Ave, Evanston, IL 60201. The listed phone number is (847) 424-7265.

What is Deborah Sontag's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Deborah Sontag enrolled in Medicare?

Yes. Deborah Sontag is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Deborah Sontag's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Deborah Sontag reassigns Medicare benefits to 2 organizations: Erie Family Health Center Inc (Evanston, IL) and Endeavor Health Medical Group (Evanston, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Deborah Sontag's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Deborah Sontag was last updated on November 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.