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Internal Medicine

Colleen M. Nugent, MD

Works at hospitals in Chicago, IL · Illinois

Summary

Dr. Colleen M. Nugent, MD is an internal medicine doctor at 680 N Lake Shore Dr, Suite 810, Chicago, IL 60611. Phone: (312) 926-6146. Accepts Medicare assignment. In 2024, Colleen M. Nugent had 112 Original Medicare patients and 159 services. NPI 1083773535. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 680 N Lake Shore Dr, Suite 810, Chicago, IL 60611 · Directions
  • Phone: (312) 926‑6146
  • Medicare: Accepts Medicare assignment
  • Hospital: Northwestern Memorial Hospital
  • Group practice: Northwestern Medical Faculty Foundation
  • Medical school: Georgetown University School Of Medicine · graduated 1996 (30 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Colleen M. Nugent, 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 Colleen M. Nugent accept Medicare assignment?
Yes. Medicare's clinician data says Colleen M. Nugent 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 Colleen M. Nugent see?
In 2024, CMS data shows 112 Original Medicare patients and 159 services for Colleen M. Nugent. This counts Original Medicare only and measures volume, not quality.
What is Colleen M. Nugent's NPI number?
1083773535. 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 Colleen M. Nugent, 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 patients112
Services billed to Medicare159
Different services or procedures10
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)60 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)39 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)30 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with tracing (93005)17 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 cholesterol72%
  • High blood pressure58%
  • Arthritis48%
  • Ischemic heart disease25%
  • Osteoporosis23%
  • Anxiety21%

Hospitals where Colleen M. Nugent works

Medicare's Facility Affiliation Data lists Colleen M. Nugent 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.

Practice locations

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

Group practices

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

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

All internal medicine doctors in Chicago →

Other clinicians in Northwestern Medical Faculty Foundation

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

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083773535
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