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Mark A Nelson, MD

Mark A Nelson, MD

Gastroenterology
(219) 872-6566
Franciscan Physician Network
Languages Spoken
English

The tau symbol represents physicians who are employees of the Franciscan Physician Network, a division of Franciscan Alliance, Inc. All other physicians are independent members of the Medical Staff who choose to practice at a Franciscan Health hospital.

Request An Appointment

accepting new patients

Provider Ratings

4.8 out of 5 (73 ratings)

Locations

or Use My Current Location

Franciscan Physician Network Woodland Health Center

8865 West 400 North
Michigan City, IN 46360

Franciscan Physician Network Woodland Health Center
View Details
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Franciscan Physician Network LaPorte Health Center

900 I Street
LaPorte, IN 46350

View hours
Monday
7:00am - 5:00pm
Tuesday
7:00am - 5:00pm
Wednesday
7:00am - 5:00pm
Thursday
7:00am - 5:00pm
Friday
7:00am - 5:00pm
Franciscan Physician Network LaPorte Health Center
219-575-6060 View Details
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Franciscan Health Michigan City

3500 Franciscan Way
Michigan City, IN 46360

View hours
Sunday
Open 24 hours
Monday
Open 24 hours
Tuesday
Open 24 hours
Wednesday
Open 24 hours
Thursday
Open 24 hours
Friday
Open 24 hours
Saturday
Open 24 hours
Franciscan Health Michigan City
219-879-8511 View Details

About Me

Education

Medical School:
University of Illinois College of Medicine

Board Certifications

American Board of Internal Medicine

Gastroenterology, American Board of Internal Medicine

Insurances Accepted

  • Aetna
  • Anthem
  • Anthem HIP
  • Anthem Medicaid
  • CareSource
  • Cigna Health Plans
  • Cofinity
  • Community Health Alliance
  • Department of Labor
  • Devoted Health
  • Healthcare Finest Network
  • Humana
  • Humana Medicaid
  • Lutheran Preferred
  • Managed Health Services
  • Managed Health Services MarketPlace
  • Medicaid IL
  • Medicaid IN
  • Medicare IN
  • Medicare Rail Road
  • MultiPlan/PHCS
  • Preferred Network Access
  • Sagamore
  • SIHO
  • Tricare/Humana Military
  • United Health Care
  • United Health Care Medicaid
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Provider Ratings

4.8 out of 5

(73 ratings)

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

37 Reviews

11/26/2025

Great doctor.

11/04/2025

He listens and knows me. He understands my ups and downs.

08/27/2025

Very competent in his explanations and very good at his diagnosis.

08/25/2025

Straight to the point

08/17/2025

I had a response from him in My Chart very quickly after my cat scan. thank goodness all was normal.

08/13/2025

He was good at his job and listening. He seemed to diagnose well and know the next steps of what needs to be done.

08/10/2025

He saved my life! A big Super #10.

08/10/2025

Dr. Nelson is great. Takes time for you and makes sure he covers all the bases. Kind, personable and through.

08/05/2025

Dr Nelson always explains things thoroughly and answers all of questions. He’s been my doctor for many years and I trust him

06/30/2025

Listens to his patients and very kind

06/17/2025

Very professional

06/14/2025

Yes

06/12/2025

A very special caring doctor

05/27/2025

Answered my questions so I could understand,took his time explaining the procedure.

05/25/2025

Very pleasant .

05/18/2025

He tells it like it is. No bs.

05/08/2025

he is very much in tone with my well being

04/10/2025

Thorough doctor that really listens.

04/05/2025

Probably a good "book" physician as many are, however I think that many at least in this state are far more concerned with mal practice.....than proactive practice, as is the case....at least with this initial visit

03/24/2025

Dr. Nelson listens very attentively to your concern. He shares professional knowledge regarding research in offering advice regarding moving forward with my condition.

03/23/2025

He was interested in what I had to say.

03/18/2025

I am more than a number.

03/18/2025

Listing

03/18/2025

Kniwledgeable, polite and very caring toward me

02/18/2025

Dr. Nelson is a great listener. He knows his patients and understands that we all don’t fit into a certain check box of symptoms.

02/12/2025

Dr Nelson listens to you and explains things so I can understand.

02/11/2025

Nice guy. Good Doc. What else can you say?

02/08/2025

Lack of communication.

02/05/2025

Dr Mark Nelson is a very caring & compassionate doctor that does what is best for his patients.

01/28/2025

I'm sure many of my friends and family would appreciate all the things I commented on above.

01/27/2025

Nice and understanding

01/24/2025

The doctor listened and explained things very well.

01/19/2025

Dr. Nelson listens he takes his time. He explains anything answers all questions very pleasant.

01/09/2025

He is good

12/28/2024

He helped to address my issue and included me in the resolution.

12/21/2024

Very friendly, took time to explain everything until I thoroughly understood.

12/16/2024

He's been my doctor for a long time I have no complaints.
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Hospitals

(219) 872-6566