THOMAS E RITTER MD
NPI 1265172274
Family Medicine in Gurnee, IL

Q: What is Thomas Ritter's NPI number?

The NPI number for Thomas Ritter is 1265172274. It was assigned to this individual provider in the NPPES registry on March 29, 2022.

Q: What is Thomas Ritter's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Ritter was last updated on November 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since March 29, 2022PECOS EnrolledAccepts Medicare Assignment

6155 GRAND AVE STE 200, GURNEE, IL 60031(847) 535-7157(224) 271-3202 Get Directions Write a Review

NPPES record last updated: November 17, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 17, 2025, Aug 15, 2025 (2 updates tracked since 2025).

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About Thomas E Ritter Md NPPES

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

THOMAS E RITTER MD (NPI 1265172274) is an individual family medicine provider in Gurnee, Illinois, licensed in Illinois (036176461) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1265172274

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameTHOMAS E RITTERCredential: MD

Location Address6155 GRAND AVE STE 200Gurnee, IL 60031-1651

Mailing Address1121 E North AveMilwaukee, WI 53212-3515 · (414) 267-6502 · Fax (414) 267-3892

Phone(847) 535-7157

Fax(224) 271-3202

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateMarch 29, 2022

Last NPPES UpdateNovember 17, 20252 updates tracked since enumeration

NPPES CertifiedNovember 17, 2025

✔ NPI 1265172274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in IL · 036176461

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

6155 GRAND AVE STE 200, Gurnee, IL 60031

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Secondary Practice Location 1

Location 11121 E North AveMilwaukee, WI 53212-3515 · Phone (414) 267-6502 · Fax (414) 267-3892

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas E Ritter Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254831944

PECOS Enrollment IDI20250826003596

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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140130

Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County

Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60031 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

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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.

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Other Providers at the Same Location NPPES 8

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

AMY O'BRIAN THOMAS M.D.

Allergy & Immunology