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Internal Medicine

Maher Musleh, DO

Works at hospitals in Munster, IN · East Chicago, IN · Indiana

Summary

Dr. Maher Musleh, DO is an internal medicine doctor at 901 Macarthur Blvd, Munster, IN 46321. Phone: (219) 836-1600. Accepts Medicare assignment. In 2024, Maher Musleh had 353 Original Medicare patients and 1,025 services. NPI 1437717485. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 901 Macarthur Blvd, Munster, IN 46321 · Directions
  • Phone: (219) 836‑1600
  • Medicare: Accepts Medicare assignment
  • Hospitals: Community Hospital, St Catherine Hospital Inc
  • Group practice: Galen Inpatient Physicians PC (+1 more)
  • Medical school: Michigan State University College Of Osteopathic Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Maher Musleh, 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 Maher Musleh accept Medicare assignment?
Yes. Medicare's clinician data says Maher Musleh 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 Maher Musleh see?
In 2024, CMS data shows 353 Original Medicare patients and 1,025 services for Maher Musleh. This counts Original Medicare only and measures volume, not quality.
What is Maher Musleh's NPI number?
1437717485. 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 Maher Musleh, 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 patients353
Services billed to Medicare1,025
Different services or procedures7
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)385 services
  2. Hospital discharge day management, more than 30 minutes (99239)213 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)151 services
  4. Critical care, first 30-74 minutes (99291)103 services
  5. Advance care planning, first 30 minutes (99497)86 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%
  • Arthritis73%
  • Ischemic heart disease65%
  • Chronic kidney disease54%
  • Heart failure50%

Hospitals where Maher Musleh works

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

Group practices

Medicare enrollment lists Maher Musleh as a member of these groups (CMS data updated October 2, 2026).

  • Galen Inpatient Physicians PC1,077 clinicians in the group
  • Vituity-California Observation Services PC82 clinicians in the group

Specialties

Find other Internal Medicine doctors in Indiana →

Other internal medicine doctors in Munster

Clinicians with the same Medicare primary specialty in Munster, IN — not a recommendation.

All internal medicine doctors in Munster →

Other clinicians in Galen Inpatient Physicians PC

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

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437717485
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