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Internal Medicine

Cliff J. Ireland, MD

Works at hospitals in Park Ridge, IL · Evanston, IL · Arlington Heights, IL · Illinois

Summary

Dr. Cliff J. Ireland, MD is an internal medicine doctor at 4905 Old Orchard Ctr Level, Skokie, IL 60077. Phone: (847) 679-6707. Accepts Medicare assignment. In 2024, Cliff J. Ireland had 339 Original Medicare patients and 1,935 services. NPI 1952365116. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Cliff J. Ireland, 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 Cliff J. Ireland accept Medicare assignment?
Yes. Medicare's clinician data says Cliff J. Ireland 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 Cliff J. Ireland see?
In 2024, CMS data shows 339 Original Medicare patients and 1,935 services for Cliff J. Ireland. This counts Original Medicare only and measures volume, not quality.
What is Cliff J. Ireland's NPI number?
1952365116. 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 Cliff J. Ireland, 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 patients339
Services billed to Medicare1,935
Different services or procedures53
Participating Medicare providerYes
Average age of these patients75

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)324 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)319 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)249 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)170 services
  5. Annual depression screening, 5 to 15 minutes (G0444)159 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 cholesterol73%
  • High blood pressure54%
  • Arthritis43%
  • Diabetes21%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%
  • Ischemic heart disease17%

Hospitals where Cliff J. Ireland works

Medicare's Facility Affiliation Data lists Cliff J. Ireland 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 Cliff J. Ireland is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Skokie

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

All internal medicine doctors in Skokie →

Clinician information

CredentialMD
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year1984 (42 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1952365116
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