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Hospitalist

Marianne Tschoe, MD

Works at hospitals in Chicago, IL · Illinois

Summary

Dr. Marianne Tschoe, MD is a hospitalist at 675 N St Clair, 200 Dept of Internal Med, Chicago, IL 60611. Phone: (312) 695-8630. Accepts Medicare assignment. In 2024, Marianne Tschoe had 217 Original Medicare patients and 385 services. NPI 1235162413. 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: Hospitalist
  • Address: 675 N St Clair, 200 Dept of Internal Med, Chicago, IL 60611 · Directions
  • Phone: (312) 695‑8630
  • Medicare: Accepts Medicare assignment
  • Hospital: Northwestern Memorial Hospital
  • Group practice: Northwestern Medical Faculty Foundation
  • Medical school: Northwestern University Feinberg Medical School · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Marianne Tschoe, 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 Marianne Tschoe accept Medicare assignment?
Yes. Medicare's clinician data says Marianne Tschoe 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 Marianne Tschoe see?
In 2024, CMS data shows 217 Original Medicare patients and 385 services for Marianne Tschoe. This counts Original Medicare only and measures volume, not quality.
What is Marianne Tschoe's NPI number?
1235162413. 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 Marianne Tschoe, 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 patients217
Services billed to Medicare385
Different services or procedures11
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)106 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)105 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)80 services
  4. Hospital discharge day management, 30 minutes or less (99238)21 services
  5. Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (G0316)20 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%
  • Ischemic heart disease57%
  • Arthritis56%
  • Chronic kidney disease47%
  • Heart failure45%

Hospitals where Marianne Tschoe works

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

Group practices

Medicare enrollment lists Marianne Tschoe as a member of this group (CMS data updated October 2, 2026).

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

Find other Hospitalist doctors in Illinois →

Other hospitalists in Chicago

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

All hospitalists 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 schoolNorthwestern University Feinberg Medical School
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235162413
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