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Family Practice

Christopher Q. Stephan Jr., MD

Works at hospitals in Chicago, IL · Illinois

Summary

Dr. Christopher Q. Stephan Jr., MD is a family doctor at 100 N River Rd, Des Plaines, IL 60016. Phone: (847) 297-1800. Accepts Medicare assignment. In 2024, Christopher Q. Stephan Jr. had 151 Original Medicare patients and 415 services. NPI 1780883660. 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: Family doctor (Medicare lists Family Practice)
  • Address: 100 N River Rd, Des Plaines, IL 60016 · Directions (1 more location)
  • Phone: (847) 297‑1800
  • Medicare: Accepts Medicare assignment
  • Hospital: AMITA Health Resurrection Medical Center
  • Group practice: Prime Healthcare Illinois Medical Group LLC
  • Medical school: Loyola University Of Chicago, Stritch School Of Medicine · graduated 2004 (22 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Christopher Q. Stephan Jr., 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 Christopher Q. Stephan Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Christopher Q. Stephan Jr. 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 Christopher Q. Stephan Jr. see?
In 2024, CMS data shows 151 Original Medicare patients and 415 services for Christopher Q. Stephan Jr.. This counts Original Medicare only and measures volume, not quality.
What is Christopher Q. Stephan Jr.'s NPI number?
1780883660. 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 Christopher Q. Stephan Jr., 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 patients151
Services billed to Medicare415
Different services or procedures51
Participating Medicare providerYes
Average age of these patients72

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)87 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)62 services
  3. Insertion of needle into vein for collection of blood sample (36415)42 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)25 services
  5. Blood test, lipids (cholesterol and triglycerides) (80061)16 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 cholesterol69%
  • Arthritis50%
  • Diabetes36%
  • Heart failure28%
  • Ischemic heart disease25%

Hospitals where Christopher Q. Stephan Jr. works

Medicare's Facility Affiliation Data lists Christopher Q. Stephan Jr. 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 Christopher Q. Stephan Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Christopher Q. Stephan Jr. as a member of this group (CMS data updated October 2, 2026).

  • Prime Healthcare Illinois Medical Group LLC322 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Des Plaines

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

All family doctors in Des Plaines →

Other clinicians in Prime Healthcare Illinois Medical Group LLC

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

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780883660
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