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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Gregory Hayne:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Gregory Hayne is Good. Dr. Hayne has been reviewed by 9 patients who have provided 3 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 4.6
Courteous Staff 5.0
Accurate Diagnosis 4.8
Bedside Manner 4.8
Spends Time with Me 4.8
Follows Up After Visit 4.8

Specialties & Research

Dr. Gregory Hayne, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Hayne graduated from Case Western Reserve University , Cleveland. He has 1 awards.

Compassionate Doctor Recognition (2013)


Dr. Hayne has 5 hospital affiliations:

  • Southwest General Health Center 
  • Lutheran Hospital 


  • German
  • English

> > > > Dr. Gregory Hayne, MD

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Additional Information
Dr. Gregory Walter Hayne MD is a male Internist, has 27 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Gregory W. Hayne practice?
Dr. Gregory Hayne has 1 office location.
Dr. Gregory Hayne practices Internal Medicine and Gastroenterology near Marquette, MI.
See Marquette Internists and Marquette Gastroenterologists.