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Hospitalist

Zahid M. Malik, MD

Works at hospitals in McHenry, IL · Chicago, IL · Illinois

Summary

Dr. Zahid M. Malik, MD is a hospitalist at 10400 Haligus Rd, Huntley, IL 60142. Phone: (815) 759-4323. Accepts Medicare assignment. In 2024, Zahid M. Malik had 394 Original Medicare patients and 996 services. NPI 1619121639. 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 Zahid M. Malik, 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 Zahid M. Malik accept Medicare assignment?
Yes. Medicare's clinician data says Zahid M. Malik 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 Zahid M. Malik see?
In 2024, CMS data shows 394 Original Medicare patients and 996 services for Zahid M. Malik. This counts Original Medicare only and measures volume, not quality.
What is Zahid M. Malik's NPI number?
1619121639. 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 Zahid M. Malik, 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 patients394
Services billed to Medicare996
Different services or procedures9
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)541 services
  2. Hospital discharge day management, more than 30 minutes (99239)206 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)183 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)25 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)24 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 disease62%
  • Arthritis58%
  • Chronic kidney disease57%
  • Heart failure53%

Hospitals where Zahid M. Malik works

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

Group practices

Medicare enrollment lists Zahid M. Malik 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 Huntley

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

All hospitalists in Huntley →

Other clinicians in Northwestern Medical Faculty Foundation

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

Clinician information

CredentialMD
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619121639
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