Dr. Justin G. Hartke, MD | Wausau, WI | Gastroenterologist

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Dr. Justin Hartke is a gastroenterologist with a secondary specialty in internal medicine who has been practicing for 14 years. He earned his medical degree from Wright State University Boonshoft School of Medicine and completed his residency at the University of Virginia Health System. Dr. Hartke speaks English.

Dr. Hartke is affiliated with multiple hospitals including Aspirus Stevens Point Hospital, Aspirus Wausau Hospital, Marshfield Medical Center River Region At Stevens Point, and Aspirus Plover Hospital, with practice locations across Wisconsin including Wausau, Stevens Point, Woodruff, Rhinelander, and Antigo. He specializes in treating conditions such as colon polyps, hemorrhoids, and GERD. His expertise includes performing colonoscopies and both upper and lower gastrointestinal endoscopy procedures. Patients have given him an average rating of 4.9 out of 5.

Overview based on verified provider data

accepting new patients
4.9

85 Ratings
14 years of experience
speaks English
University Of Virginia Health System
84 written reviews
2 specialties
8 areas of expertise
4 hospital affiliations
12 office locations
Male

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

Based on patient feedback. Read the reviews

Dr. Hartke's Ratings and Reviews

4.9

85 Ratings with 84 written Reviews

Average Wait Time 14 Minutes

How was your appointment with
Dr. Hartke?

Patients’ Perspective

Gave an accurate diagnosis: (75) Did WellNeeds Improvement (2)
Had a good bedside manner: (77) Did WellNeeds Improvement (1)
Spent time with me: (78) Did WellNeeds Improvement (0)
Provided follow-up after the visit: (75) Did WellNeeds Improvement (1)
Flexible scheduling: (50) Did WellNeeds Improvement (0)
Saw me in a timely manner: No Ratings
Staff was courteous: No Ratings

Patients consistently praise Dr. Justin Gabriel Hartke for his professionalism, compassionate nature, and ability to clearly explain medical procedures, fostering an atmosphere of trust and comfort. Many describe their experiences as exceptional, highlighting his caring demeanor, excellent bedside manner, and the supportive, attentive behavior of his staff. Some negative feedback notes a lack of follow-through in instances of post-operative complications and concerns about trustworthiness in resolving certain medical issues. Overall, patients emphasize the high-quality care provided by Dr. Hartke and his team, though a few isolated incidents suggest room for improved communication regarding ongoing health matters.

AI-generated from the text of patient reviews

85 ratings & reviews

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Showing 1 to 10 of 84 reviews

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Dr. Hartke and the GI Associates team did a great job in every way!

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

August 15th, 2025

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Dr. Hartke explained everything, and was very friendly and easy to talk to.

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

August 1st, 2025

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Dr. Hartley and staff exceptional in all regards. Thank you.

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

July 26th, 2025

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the doctor explained all about what was happening to me for my surgery. preformed good moves all well. problems developed and husband took me to the er at Aspirus, AS LOTS OF BLEEDING started. the nurse calling with the patholigy report, had no idea i was even in the hospital.Unaware of my three day hospital stay bleeding badly and passing clots major pain.

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

June 25th, 2025

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Very professional, on time and did a good on! Would definitely recommend!

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

June 19th, 2025

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Dr Hartke was very personal and caring! His nurses were outstanding too! Would highly recommend to anybody! GI Associates is outstanding!

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

February 13th, 2025

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easy to talk to, explained everything about the procedure

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

December 10th, 2024

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Uh... Dr. J rocks. Though he looks like he could be a professional skate boarder, he is super friendly, super smart and super professional. If you gotta drop yo drawers, he's your guy

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

November 14th, 2024

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Dr.Justin Hartke is a compassionate doctor, he cares about the well being of my health and he explains things in a way I can understand! He is a top notch Doctor and he does a great Job at what he does and I trust him with my GI health!! Thank you Doctor Hartke

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

November 14th, 2024

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I appreciate Dr. Hartke in that he is professional, personable with good bedside manner and always willing to answer any questions in layman’s terms. He has always been able to address my issues and follow through with needed testing or treatment. His staff is awesome as well.

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

October 10th, 2024

Gastrointestinal Associates Sc

411 Westwood DrWausau, WI 54401

Tel: (715) 847-2558

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 4:00 pm

SatClosed

SunClosed

GastroIntestinal Associates — Stevens Point

5409 Vern Holmes DrStevens Point, WI 54482

Tel: (715) 847-2611

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed

GastroIntestinal Associates — Woodruff

611 Veterans PkwyWoodruff, WI 54568

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 4:00 pm

SatClosed

SunClosed

GastroIntestinal Associates — Woodruff Office

240 Maple StWoodruff, WI 54568

GastroIntestinal Associates — Rhinelander , Aspirus Clinic Office

1630 Chippewa DrRhinelander, WI 54501

Tel: (715) 361-5480

GastroIntestinal Associates — Rhinelander , St. Mary's Clinic Office

2251 N Shore DrRhinelander, WI 54501

Tel: (715) 847-2558

GastroIntestinal Associates — Antigo

501 Aurora StAntigo, WI 54409

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 4:00 pm

SatClosed

SunClosed

Aspirus Wausau Hospital

333 Pine Ridge BlvdWausau, WI 54401

Tel: (715) 847-2121

Aspirus Stevens Point Hospital

900 Illinois AveStevens Point, WI 54481

Tel: (715) 346-5000

Marshfield Medical Center River Region At Stevens Point

4100 State Highway 66Stevens Point, WI 54482

Tel: (715) 997-6000

Gi Associates Endoscopy Center

3225 Business Park DrStevens Point, WI 54482

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed

Gastrointestinal Associates Sc

611 Veterans PkwyWoodruff, WI 54568

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed


Dr. Justin Gabriel Hartke, MD	Dr. Natalie Mykytsey, MD	Dr. Robert Daniel Leimbach, MD	Dr. Fergus E Mckiernan, MD
Gastroenterology	Geriatric Medicine	Internal Medicine	Internal Medicine
Accepts New Patients
4.9 (85 Ratings)	0 (0 Ratings)	0 (0 Ratings)	5 (4 Ratings)
14 Years of Experience	27 Years of Experience	12 Years of Experience	46 Years of Experience
No Virtual Visit Option	No Virtual Visit Option	No Virtual Visit Option	No Virtual Visit Option
Speaks English
Wausau , WI	Wausau , WI	Bethesda , MD	Wausau , WI
Med School: Wright State University Boonshoft School Of Medicine	Med School: Ivano-Frankivsk National Medical University	Med School: Mcgovern Medical School At The Univ Of Texas Health Science Ctr At Houston	Med School: University Of Minnesota Medical School
Current Profile	View Profile	View Profile	View Profile

Search for your insurance and plan

Accepts Medicare
Accepts Medicaid

Check-up
Heartburn
Immunization
Internal Medicine
Physical
Vaccination
Weight Loss
Weight Loss (non-surgical)

Dr. Justin Gabriel Hartke holds an expired medical license in the state of Wisconsin.

Medical License

Medical Doctor with an expired medical license in the state of Wisconsin that expired in 2025.

Education & Training

Residency

Completed their residency at University Of Virginia Health System.

Medical School

Graduated from Wright State University Boonshoft School Of Medicine in 2012.

NPI Number

Dr. Hartke's NPI number is 1154689685.

Michelle Ellen Brown
Nurse Practitioner
| Marshfield, WI
(0)
Hafiz Khan
Interventional Cardiology
15 Years Exp | Marshfield, WI
(0)
Dr. Nicholas Peter Wyskoarko, MD
Cardiovascular Disease
53 Years Exp | Weston, WI
(0)
Dr. Jordan David Bauman
Internal Medicine
7 Years Exp | Edgar, WI
(0)
Dr. Edward Joseph Mckenna
Oncology
10 Years Exp | Wausau, WI
(0)
Dr. Aderson Joseph
Internal Medicine
6 Years Exp | Fayetteville, NC
(0)
Dr. Sally A Browne
Gastroenterology
42 Years Exp | Wausau, WI
(0)
Dr. Joshua Christopher Denk
Internal Medicine
6 Years Exp | Wausau, WI
(0)
Dr. Claudia Gineta Istrate
Internal Medicine
33 Years Exp | Wausau, WI
(0)
Dr. Mohit Rishi
Internal Medicine
11 Years Exp | Wausau, WI
(0)

How can I make an appointment with Dr. Justin Hartke?: You can find contact information for Dr. Justin Hartke here on Vitals.
Which hospitals is Dr. Justin Hartke affiliated with?: Dr. Justin Hartke is affiliated with Aspirus Stevens Point Hospital, Aspirus Wausau Hospital, Marshfield Medical Center River Region At Stevens Point, and Aspirus Plover Hospital.
Does Dr. Justin Hartke accept my insurance?: You can see the insurance plans that Dr. Justin Hartke accepts on their Vitals profile.
What languages does Dr. Justin Hartke speak?: Dr. Justin Hartke speaks English.
Where is Dr. Justin Hartke's office located?: Dr. Justin Hartke's office is located at 411 Westwood Dr, Wausau, WI, 54401.

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