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Anesthesiology

Emad G. Hemaya, MD

Works at hospitals in Grand Rapids, MI · Michigan

Summary

Dr. Emad G. Hemaya, MD is an anesthesiologist at 200 Jefferson Ave SE, Grand Rapids, MI 49503. Phone: (734) 263-2400. Accepts Medicare assignment. In 2024, Emad G. Hemaya had 36 Original Medicare patients and 40 services. NPI 1780675850. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 200 Jefferson Ave SE, Grand Rapids, MI 49503 · Directions (1 more location)
  • Phone: (734) 263‑2400
  • Medicare: Accepts Medicare assignment
  • Hospital: Mercy Health Saint Mary's
  • Group practice: Saint Mary's Health Services (+1 more)
  • Medical school: graduated 1989 (37 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Emad G. Hemaya, 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 Emad G. Hemaya accept Medicare assignment?
Yes. Medicare's clinician data says Emad G. Hemaya 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 Emad G. Hemaya see?
In 2024, CMS data shows 36 Original Medicare patients and 40 services for Emad G. Hemaya. This counts Original Medicare only and measures volume, not quality.
What is Emad G. Hemaya's NPI number?
1780675850. 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 Emad G. Hemaya, 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 patients36
Services billed to Medicare40
Different services or procedures7
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Insertion of artery tube for blood sampling or infusion through skin (36620)18 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 cholesterol72%
  • Arthritis53%
  • Diabetes44%
  • Depression39%
  • Ischemic heart disease36%

Hospitals where Emad G. Hemaya works

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

Group practices

Medicare enrollment lists Emad G. Hemaya as a member of these groups (CMS data updated October 2, 2026).

  • Saint Mary's Health Services173 clinicians in the group
  • Northstar Anesthesia of Michigan II PC22 clinicians in the group

Specialties

Find other Anesthesiology doctors in Michigan →

Other anesthesiologists in Grand Rapids

Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.

All anesthesiologists in Grand Rapids →

Other clinicians in Saint Mary's Health Services

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

Clinician information

CredentialMD
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780675850
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