Summary

Dr. Douglas Zwemer treats colon polyps, diverticular disease, and diverticulosis, and performs lower GI endoscopy, colonoscopy, and laparoscopy. He practices surgery in Grand Haven and Muskegon, Michigan, and has 33 years of experience. Dr. Zwemer is affiliated with Mercy Health Muskegon, Trinity Health Grand Haven, and Mercy Health Mercy Campus, and earned his medical degree from Wayne State University School of Medicine. Patients on Vitals rate Dr. Zwemer 5 out of 5.

Overview based on verified provider data

Quick Facts

  • 5
  • 33 years of experience
  • speaks English
  • Wayne State University School Of Medicine
  • 2 specialties
  • 1 area of expertise
  • 3 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Douglas Alan Zwemer has 2 locations

North Ottawa Community Hospital

1309 Sheldon RdGrand Haven, MI 49417

Trinity Health Muskegon Hospital

1500 E Sherman BlvdMuskegon, MI 49444

Compare with Similar Doctors

Dr. Douglas Alan Zwemer, MD
Dr. Vance Howard Smith, MD
Dr. Deborah Ds Whitson, DO
Dr. Edward John Stehouwer, MD
Dr. Douglas Alan Zwemer, MDDr. Vance Howard Smith, MDDr. Deborah Ds Whitson, DODr. Edward John Stehouwer, MD
SurgeryVascular & Interventional RadiologyOtherColorectal Surgery
5 
3.3 
0 
5 
33 Years of Experience 51 Years of Experience 13 Years of Experience 50 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Grand Haven , MIMuskegon , MILas Cruces , NMMuskegon , MI
Med School: Wayne State University School Of Medicine Med School: University Of New Mexico School Of Medicine Med School: A T Still University College Of Osteopathic Medicine Med School: University Of Michigan Medical School
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Douglas Alan Zwemer

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Douglas Alan Zwemer has the following 2 specialties

Specialty Expertise

Dr. Douglas Alan Zwemer has the following area of expertise

  • Other

Certifications, License, & Education

33 Years Experience

Dr. Douglas Alan Zwemer holds an expired medical license in the state of Michigan.

Medical License

Medical Doctor with an expired medical license in the state of Michigan that expired in 2026.

Education & Training

Medical School

Graduated from Wayne State University School Of Medicine in 1993.

NPI Number

Dr. Zwemer's NPI number is 1386734184.

Similar doctors

Frequently Asked Questions

What languages does Dr. Douglas Zwemer speak?
Dr. Douglas Zwemer speaks English.
Where is Dr. Douglas Zwemer's office located?
Dr. Douglas Zwemer's office is located at 1309 Sheldon Rd, Grand Haven, MI, 49417.
Which hospitals is Dr. Douglas Zwemer affiliated with?
Dr. Douglas Zwemer is affiliated with Mercy Health Muskegon, Trinity Health Grand Haven, and MERCY HEALTH MERCY CAMPUS.
Does Dr. Douglas Zwemer accept my insurance?
You can see the insurance plans that Dr. Douglas Zwemer accepts on their Vitals profile.
How can I make an appointment with Dr. Douglas Zwemer?
You can find contact information for Dr. Douglas Zwemer 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

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.