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Summary
Dr. Gretzinger graduated from the Michigan State University College of Osteopathic Medicine in 1991. He works in Petoskey, MI and specializes in Emergency Medicine. Dr. Gretzinger is affiliated with Mclaren Northern Michigan.
Quick Facts
- 35 years of experience
- 28 insurance plans accepted
- speaks English, Spanish
- Michigan State University College Of Osteopathic Medicine
- 1 specialty
- 3 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Office Location
Compare with Similar Doctors
 |  | | |
| Dr. William Karl Gretzinger, DO | Christopher Carleo, MD | Aaron Joseph Nolan | Jordan A Place |
| Emergency Medicine | Emergency Medicine | Nurse Practitioner | Emergency Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 35 Years of Experience | 28 Years of Experience | 6 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English | ||
| Petoskey , MI | East Setauket , NY | Traverse City , MI | Grand Blanc , MI |
| Med School: Michigan State University College Of Osteopathic Medicine | Med School: Suny Stony Brookhealth | Med School: Michigan State University College Of Osteopathic Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. William Karl Gretzinger
Medical Specialties
Dr. William Karl Gretzinger has the following specialty
Specialty Expertise
Dr. William Karl Gretzinger has the following 3 areas of expertise
Certifications, License, & Education
35 Years Experience
Dr. William Karl Gretzinger holds an active medical license in the state of Michigan.
Medical License
Doctor Of Osteopathy with an active medical license in the state of Michigan that expires in 2027.
Education & Training
Medical School
Graduated from Michigan State University College Of Osteopathic Medicine in 1991.
NPI Number
Dr. Gretzinger's NPI number is 1518994979.
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Frequently Asked Questions
- Does Dr. William Gretzinger accept virtual/telehealth appointments?
- Dr. William Gretzinger has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. William Gretzinger's office located?
- Dr. William Gretzinger's office is located at 416 Connable Ave, Petoskey, MI, 49770.
- What languages does Dr. William Gretzinger speak?
- Dr. William Gretzinger speaks English and Spanish.
- Which hospitals is Dr. William Gretzinger affiliated with?
- Dr. William Gretzinger is affiliated with Mclaren Northern Michigan.
- How can I make an appointment with Dr. William Gretzinger?
- You can find contact information for Dr. William Gretzinger here on Vitals.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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