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General Surgery

Theresa M. Lee, MD

Works at hospitals in Naperville, IL · Illinois

Summary

Dr. Theresa M. Lee, MD is a general surgeon at 430 Warrenville Rd, Suite 210, Lisle, IL 60532. Phone: (630) 432-6180. Accepts Medicare assignment. In 2024, Theresa M. Lee had 368 Original Medicare patients and 916 services. NPI 1902873870. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 430 Warrenville Rd, Suite 210, Lisle, IL 60532 · Directions
  • Phone: (630) 432‑6180
  • Medicare: Accepts Medicare assignment
  • Hospital: Edward Hospital
  • Group practice: Dupage Medical Group Ltd
  • Medical school: Medical College Of Ohio · graduated 1997 (29 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Theresa M. Lee, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Theresa M. Lee accept Medicare assignment?
Yes. Medicare's clinician data says Theresa M. Lee accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Theresa M. Lee see?
In 2024, CMS data shows 368 Original Medicare patients and 916 services for Theresa M. Lee. This counts Original Medicare only and measures volume, not quality.
What is Theresa M. Lee's NPI number?
1902873870. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Theresa M. Lee, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients368
Services billed to Medicare916
Different services or procedures68
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)194 services
  2. Ultrasound scan of head and neck soft tissue (76536)129 services
  3. Fine needle aspiration biopsy using ultrasound guidance, first growth (10005)75 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)75 services
  5. Insertion of needle into vein for collection of blood sample (36415)41 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure68%
  • Arthritis43%
  • Diabetes26%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)26%
  • Ischemic heart disease21%

Hospitals where Theresa M. Lee works

Medicare's Facility Affiliation Data lists Theresa M. Lee at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Edward HospitalNaperville, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140231

Practice locations

Addresses where Theresa M. Lee is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Theresa M. Lee as a member of this group (CMS data updated October 2, 2026).

  • Dupage Medical Group Ltd1,322 clinicians in the group

Specialties

Find other General Surgery doctors in Illinois →

Other general surgeons in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All general surgeons in Illinois →

Other clinicians in Dupage Medical Group Ltd

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolMedical College Of Ohio
Graduation year1997 (29 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902873870
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians