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Internal Medicine

Obaie Mzaik

Works at hospitals in Cleveland, OH · Garfield Heights, OH · Warrensville Heights, OH · Ohio

Summary

Obaie Mzaik is an internal medicine doctor at 9500 Euclid Ave, Cleveland, OH 44195. Phone: (216) 444-5433. Accepts Medicare assignment. In 2024, Obaie Mzaik had 39 Original Medicare patients and 39 services. NPI 1851965081. 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 Obaie Mzaik, 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 Obaie Mzaik accept Medicare assignment?
Yes. Medicare's clinician data says Obaie Mzaik 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 Obaie Mzaik see?
In 2024, CMS data shows 39 Original Medicare patients and 39 services for Obaie Mzaik. This counts Original Medicare only and measures volume, not quality.
What is Obaie Mzaik's NPI number?
1851965081. 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 Obaie Mzaik, 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 patients39
Services billed to Medicare39
Different services or procedures5
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)28 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 disease59%
  • Arthritis56%
  • Heart failure46%
  • Atrial fibrillation44%

Hospitals where Obaie Mzaik works

Medicare's Facility Affiliation Data lists Obaie Mzaik 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.

  • Cleveland ClinicCleveland, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360180
  • Marymount HospitalGarfield Heights, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360143
  • South Pointe HospitalWarrensville Heights, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 360144

Practice locations

Addresses where Obaie Mzaik is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Cleveland Clinic7,090 clinicians in the group

Specialties

Find other Internal Medicine doctors in Ohio →

Other internal medicine doctors in Cleveland

Clinicians with the same Medicare primary specialty in Cleveland, OH — not a recommendation.

All internal medicine doctors in Cleveland →

Other clinicians in Cleveland Clinic

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

Clinician information

Graduation year2019 (7 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851965081
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