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Nurse Practitioner

Christine M. Lenzen, NP

Works at hospitals in Park Ridge, IL · Elgin, IL · Illinois

Summary

Christine M. Lenzen, NP is a nurse practitioner at 1775 Dempster St, Park Ridge, IL 60068. Phone: (708) 684-8000. Accepts Medicare assignment. In 2024, Christine M. Lenzen had 104 Original Medicare patients and 202 services. NPI 1538725833. 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 Christine M. Lenzen, 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 Christine M. Lenzen accept Medicare assignment?
Yes. Medicare's clinician data says Christine M. Lenzen 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 Christine M. Lenzen see?
In 2024, CMS data shows 104 Original Medicare patients and 202 services for Christine M. Lenzen. This counts Original Medicare only and measures volume, not quality.
What is Christine M. Lenzen's NPI number?
1538725833. 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 Christine M. Lenzen, 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 patients104
Services billed to Medicare202
Different services or procedures10
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Critical care, first 30-74 minutes (99291)105 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)48 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)15 services
  4. Critical care, each additional 30 minutes (99292)13 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 blood pressure75%
  • High cholesterol75%
  • Stroke or mini-stroke75%
  • Arthritis53%
  • Heart failure46%
  • Anxiety44%

Hospitals where Christine M. Lenzen works

Medicare's Facility Affiliation Data lists Christine M. Lenzen 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 Christine M. Lenzen is enrolled with Medicare (CMS data updated October 2, 2026).

  • 1775 Dempster StPark Ridge, IL 60068
  • 4440 W 95th StOak Lawn, IL 60453 (708) 684‑8000

Group practices

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

  • Advocate Health and Hospitals Corporation3,118 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Illinois →

Other nurse practitioners in Park Ridge

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

All nurse practitioners in Park Ridge →

Other clinicians in Advocate Health and Hospitals Corporation

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

Clinician information

CredentialNP
SchoolRush Medical College Of Rush University
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538725833
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