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Dr. Joshua Digennaro Trebach, MD

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Specializes in: Emergency Medicine and Medical Toxicology

Johns Hopkins University School of Medicine (2016)

Professional interests include: poisoning, emergency care

500 E Market Street
Iowa City, IA 52245

(319) 339-3551

Dr. Joshua Digennaro Trebach, MD is an emergency medicine doctor in Iowa City, IA specializing in emergency medicine and medical toxicology. He graduated from Johns Hopkins University School of Medicine in 2016 and has 9 years of experience. Dr. Joshua Digennaro Trebach, MD is affiliated with University of Iowa and University of Iowa Health Care.

Office Locations

200 Hawkins Drive
Iowa City, IA 52242

open_in_new

500 E Market Street
Iowa City, IA 52245

(319) 339-3551

(319) 248-7945

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701 W. Forevergreen Road
North Liberty, IA 52317

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In The News (see more mentions in the news)

“Josh Trebach, MD, is an emergency physician and medical toxicologist with University of Iowa Health Care.”—"'White Lotus' Fact-Check: The Suicide Tree's Lethal Potential", MedPage Today, April 2025

“"The kernels are definitely deadly," said Dr. Josh Trebach, an emergency physician and medical toxicologist at the University of Iowa Health Care who said he is not speaking on behalf of his...”—"How the deadly fruit in", Salon, April 2025

“Dr Josh Trebach, an emergency medicine physician in Iowa, shared photos on Twitter of water beads expanding four times their size.”—"Report warns 'smart' toys place children at risk of spying and kidnap", Daily Mail Online, November 2023

Noteworthy Medicare Patient Procedures Performed by Dr. Joshua Digennaro Trebach, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 25%

By Volume:

emergency room care

In 2013, Dr. Joshua Digennaro Trebach, MD performed more emergency room (ER) care procedures for Medicare patients than 75% of providers in related specialties within Iowa.

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Joshua Digennaro Trebach, MD treated as an emergency medicine doctor in Iowa City, IA during 2022 were emergency care.

Volume of procedures performed by Dr. Joshua Digennaro Trebach, MD for Medicare patients.

emergency care	44

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Joshua Digennaro Trebach, MD.

**Gender**
Male	34
Female	24

**Age**
From 65 to 74	22
From 75 to 84	16
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Joshua Digennaro Trebach, MD in 2022

The most common conditions of Medicare patients that Dr. Joshua Digennaro Trebach, MD treated during 2022 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	64
Stroke	28
Ischemic Heart Disease	38
Depression	31
Chronic Kidney Disease	40
Asthma	0
Osteoperosis	0
Atrial Fibrilation	33
Heart Failure	26
Chronic Obstructive Pulmonary Disease	0
Diabetes	45
Dementia	0
Cancer	22

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Joshua Digennaro Trebach, MD treated as an emergency medicine doctor in Iowa City, IA during 2023 were emergency care.

Volume of procedures performed by Dr. Joshua Digennaro Trebach, MD for Medicare patients.

emergency care	178

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Joshua Digennaro Trebach, MD.

**Gender**
Male	101
Female	103

**Ethnicity**
Non-Hispanic White	182
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	64
85 and over	28
Less than 65	43

Conditions of Medicare patients treated by Dr. Joshua Digennaro Trebach, MD in 2023

The most common conditions of Medicare patients that Dr. Joshua Digennaro Trebach, MD treated during 2023 were hypertension, high cholesterol, depression and chronic kidney disease.

Hypertension	75
High Cholesterol	63
Stroke	20
Ischemic Heart Disease	30
Depression	39
Chronic Kidney Disease	31
Asthma	13
Osteoperosis	17
Atrial Fibrilation	26
Heart Failure	28
Chronic Obstructive Pulmonary Disease	18
Diabetes	30
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2022 - 2023

Volume of procedures performed by Dr. Joshua Digennaro Trebach, MD for Medicare patients.

The highest averages for the top procedures that Dr. Joshua Digennaro Trebach, MD treated as an emergency medicine doctor in Iowa City, IA were emergency care.

emergency care	111

Average Medicare Patient Data From 2022 - 2023

Information about Medicare patients treated by Dr. Joshua Digennaro Trebach, MD.

**Gender**
Male	67
Female	63

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	91
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	40
85 and over	14
Less than 65	21
65 to 74	45

Average of Total of Conditions of Medicare patients treated by Dr. Joshua Digennaro Trebach, MD From 2022 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Joshua Digennaro Trebach, MD treated were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	75
High Cholesterol	63
Stroke	24
Ischemic Heart Disease	34
Depression	35
Chronic Kidney Disease	35
Asthma	6
Osteoporosis	8
Heart Failure	27
Chronic Obstructive Pulmonary Disease	9
Diabetes	37
Atrial Fibrillation	29
Cancer	18
Dementia	8

Education & Training

Dr. Joshua Digennaro Trebach, MD graduated from Johns Hopkins University School of Medicine in 2016. He is certified by the Board Certification in Emergency Medicine and has a state license in Maryland.

Medical School: Johns Hopkins University School of Medicine (2016)

Board Certification: Board Certification in Emergency Medicine

Licensed In: Maryland

Affiliations & Hospitals

Dr. Joshua Digennaro Trebach, MD is associated with these hospitals and organizations:

University of Iowa

University of Iowa Health Care

Ratings & Reviews

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Biography

Dr. Joshua Trebach sees patients in Iowa City, IA and North Liberty, IA. His medical specialties are emergency medicine and medical toxicology. His areas of expertise consist of poisoning and emergency care. Dr. Trebach attended medical school at Johns Hopkins University School of Medicine. He is professionally affiliated with the University of Iowa Health Care.