The Vitals website is provided for your informational use only. Nothing contained or offered by, on or through Vitals should be construed as medical advice or relied upon for medical diagnosis or treatment. Vitals does not recommend or endorse any particular healthcare provider whose information or ratings appear on this website. We encourage you to read our full Terms of Service.

Dr. Mark Fesenmyer Is this you?

About Dr. Mark Fesenmyer

Dr. Mark Fesenmyer, MD is a Doctor primarily located in Merrillville, IN, with other offices in Naperville, IL and Valparaiso, IN (and 2 other locations). He has 26 years of experience. His specialties include Gastroenterology and Internal Medicine. Dr. Fesenmyer is affiliated with Saint Luke's Memorial Hospital, Adventist Hinsdale Hospital and Advocate Good Samaritan Hospital. Dr. Fesenmyer has received 1 award. He speaks English.

Rating Overview

16 Ratings with 4 Comments

The overall average patient rating of Dr. Mark Fesenmyer is Great. Dr. Mark Fesenmyer has been rated by 16 patients. From those 16 patients 4 of those left a comment along with their rating. The overall rating for Dr. Mark Fesenmyer is 4.1 of 5.0 stars.

Mapbox Map of Dr. Mark Fesenmyer

Primary Address

Internal Medicine Associates

8895 Broadway
Merrillville, IN 46410
Get Directions

Mapbox Map of Dr. Mark Fesenmyer

807 E Benton Ave
Naperville, IL 60540
Get Directions

Mapbox Map of Dr. Mark Fesenmyer

3800 Saint Mary Rd
Valparaiso, IN 46383
Get Directions

Mapbox Map of Dr. Mark Fesenmyer

100 Spalding Dr
Naperville, IL 60540
Get Directions

Mapbox Map of Dr. Mark Fesenmyer

1600 S Lake Park Ave
Hobart, IN 46342
Get Directions

Specialties

Dr. Mark Fesenmyer has the following 2 specialties

  • Gastroenterology

    A gastroenterologist is a specialist in diagnosis and treatment of conditions involving the digestive/gastrointestinal (GI) tract. These doctors are experts on how food moves through the digestive system and is chemically broken down, with nutrients being absorbed and waste excreted. You might see this kind of doctor if you are experiencing any number of stomach issues, some of which might be severe diarrhea, irritable bowel syndrome, hemorrhoids, ulcers, acid reflux, Crohn's disease and more.

  • Internal Medicine

    An internist is a physician who focuses on the diagnosis and treatment of conditions that affect the adult population—both acute and chronic.
    These doctors are often who adults see as their primary physicians because they treat a broad range of illnesses that do not require surgical or specialist interventions. They also work to help a patient maintain optimal health in order to prevent the onset of disease.
    In addition to treating the common cold and flu, internists also treat chronic diseases like diabetes and heart disease.

  • Specialty Expertise

    Dr. Mark Fesenmyer has the following 13 expertise

  • Abdominal Pain
  • Acid Reflux Disease (GERD)
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Celiac Disease
  • Colitis
  • Colon Cancer
  • Colonoscopy
  • Constipation
  • Heartburn
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Dr. Mark Fesenmyer has 1 board certified specialty

See the board certifications this doctor has received. Board certifications provide confidence that this doctor meets the nationally recognized standards for education, knowledge and experience

Board Certifications

Dr. Mark Fesenmyer is Board Certified in 1 specialty

See the board certifications this doctor has received. Board certifications provide confidence that this doctor meets the nationally recognized standards for education, knowledge and experience.

Reviews

Showing 5 of 16

Four Stars

Supurb Physician

Wait time
15 minutes
Easy Appointment
Full Review Rating Breakdown
Second Opinion Visit

Went for a consolation/second opinion with Dr. F today. The staff was pleasant. My initial perception of this doctor today was that he was a bit condescending and didn't want to say anything negative about my former gastro Doctor. I didn't have any negative comments either regarding my former doc, however he just seemed to have run out of steam as far as possible explanations of why I was continuing to have same symptoms and what I was actually being trading ongoing for (condition). Dr. F listened to my symptoms and did brief exam. At least he was open to check for possible Celiac issue.

Wait time
30 minutes
Easy Appointment
Promptness
Friendly Staff
Accurate Diagnosis
Bedside Manner
Spends Time with Me
Full Review Rating Breakdown
amazing doctor

i went to see dr fesenmyer for my first ob appointment. I LOVE HER. She is a great doctor i felt comfortable from the beginning with her. Explains things feel well. Very warm and open to questions. You can tell she loves what she does.

Wait time
5 minutes
Easy Appointment
Promptness
Friendly Staff
Accurate Diagnosis
Bedside Manner
Spends Time with Me
Appropriate Follow-up
Full Review Rating Breakdown
Five Stars

I had had a terrible experience with another gastroenterologist and was terrified of going through another colonoscopy. Dr. Fesenmeyer was recommended to me by my Internist. I have had three colonoscopies done by Dr. Fesenmeyer over the past few years and I wouldn't dream of going to anyone else. I have recommended him highly to many of my friends and everyone was completely happy with his wonderful skill and [painless procedure. His gentle manner of speaking to you and explaining everything was so impressive. He takes the time to make sure that you are aware of the procedure. I would not go to anyone else.

Wait time
10 minutes
Easy Appointment
Promptness
Friendly Staff
Accurate Diagnosis
Bedside Manner
Spends Time with Me
Appropriate Follow-up
Full Review Rating Breakdown
Five Stars
  • Awards

    1 Award

  • On-Time Doctor Award

    On-Time Doctor Award (2014)

    Vitals On-Time + Promptness Award recognizes doctors with consistent high ratings for timeliness of appointments. The honor is granted based on a physician's overall and promptness scores.

  • Hospital Affiliations

    Dr. Fesenmyer is affiliated (can practice and admit patients) with the following hospital(s).

  • Saint Luke's Memorial Hospital
  • Adventist Hinsdale Hospital
  • Edward Hospital
  • St Mary Medical Center Inc
  • All Saints Medical Center St Lukes
  • Wheaton Franciscan Healthcare - All Saints
  • Education

    26 Years Experience

  • Indiana University School Of Medicine

    Graduated in 1991

  • University Of Minnesota Health Care System

    Residency

  • Accepted Insurance

    Please contact the office for more information.

Locations & Directions

  • Similiar Doctors

    Dr. Mark Fesenmyer is similar to the following 3 Doctors near Merrillville, IN.