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Home > OH Providers > Obstetricians & Gynecologists: OB-GYNs

Dr. John R. Roost, DO

Accepting New Patients

(Dr. John Russell Roost, D.O.)

(200 Ratings)

Specializes in: Obstetrics & Gynecology

Michigan State University College of Osteopathic Medicine (2012)

1400 EAST SECOND STREET
DEFIANCE, OH 43512

(419) 783-3273

Dr. John R. Roost, DO is an obstetrician and gynecologist in DEFIANCE, OH specializing in obstetrics & gynecology. He graduated from Michigan State University College of Osteopathic Medicine in 2012 and has 14 years of experience. Dr. John R. Roost, DO is affiliated with Mercy Health - St. Vincent Medical Center, Mercy Health, Mercy Health - St. Anne Hospital, Mercy Health - Defiance Hospital, Mercy Health - St. Charles Hospital, Mercy Health - Perrysburg Hospital and MERCY HEALTH PHYSICIANS NORTH SPECIALTY CARE LLC.

Office Locations

1400 EAST SECOND STREET
DEFIANCE, OH 43512

open_in_new

1103 Village Square Suite 101
Perrysburg, OH 43551

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Medicare Procedure and Patient Information

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Roost, DO.

**Gender**
Male	0
Female	13

**Ethnicity**
Non-Hispanic White	13
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

Medicare Procedure and Patient Information

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Roost, DO.

**Gender**
Male	0
Female	16

**Ethnicity**
Non-Hispanic White	16
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

Medicare Procedure and Patient Information

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Roost, DO.

**Gender**
Male	0
Female	15

Medicare Procedure and Patient Information

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Roost, DO.

**Gender**
Male	0
Female	32

**Age**
From 65 to 74	20
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John R. Roost, DO in 2019

The most common conditions of Medicare patients that Dr. John R. Roost, DO treated during 2019 were hypertension, high cholesterol and depression.

Hypertension	72
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	0
Depression	34
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Roost, DO.

**Gender**
Male	0
Female	22

Conditions of Medicare patients treated by Dr. John R. Roost, DO in 2020

The most common conditions of Medicare patients that Dr. John R. Roost, DO treated during 2020 were depression.

Hypertension	0
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	50
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John R. Roost, DO treated as an obstetrician and gynecologist in DEFIANCE, OH during 2021 were ultrasound (sonogram), pelvic imaging, women's imaging and breast exam.

Volume of procedures performed by Dr. John R. Roost, DO for Medicare patients.

breast exam	11
gynecologic procedures	11
pelvic imaging	25
ultrasound (sonogram)	25
women's imaging	13

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Roost, DO.

**Gender**
Male	0
Female	32

**Age**
From 65 to 74	21
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John R. Roost, DO in 2021

The most common conditions of Medicare patients that Dr. John R. Roost, DO treated during 2021 were hypertension, high cholesterol and depression.

Hypertension	59
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	0
Depression	34
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John R. Roost, DO treated as an obstetrician and gynecologist in DEFIANCE, OH during 2022 were breast exam and gynecologic procedures.

Volume of procedures performed by Dr. John R. Roost, DO for Medicare patients.

breast exam	11
doctor visit	21
gynecologic procedures	11

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Roost, DO.

**Gender**
Male	0
Female	38

**Age**
From 65 to 74	21
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John R. Roost, DO in 2022

The most common conditions of Medicare patients that Dr. John R. Roost, DO treated during 2022 were hypertension, high cholesterol and depression.

Hypertension	50
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	0
Depression	29
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. John R. Roost, DO for Medicare patients.

doctor visit	12

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Roost, DO.

**Gender**
Male	0
Female	26

Conditions of Medicare patients treated by Dr. John R. Roost, DO in 2023

The most common conditions of Medicare patients that Dr. John R. Roost, DO treated during 2023 were high cholesterol and hypertension.

Hypertension	54
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2016 - 2023

Volume of procedures performed by Dr. John R. Roost, DO for Medicare patients.

The highest averages for the top procedures that Dr. John R. Roost, DO treated as an obstetrician and gynecologist in DEFIANCE, OH were ultrasound (sonogram), pelvic imaging, women's imaging and breast exam.

breast exam	11
doctor visit	16
gynecologic procedures	11
pelvic imaging	25
ultrasound (sonogram)	25
women's imaging	13

Average Medicare Patient Data From 2016 - 2023

Information about Medicare patients treated by Dr. John R. Roost, DO.

**Gender**
Male	0
Female	24

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	3
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	0
85 and over	0
Less than 65	0
65 to 74	7

Average of Total of Conditions of Medicare patients treated by Dr. John R. Roost, DO From 2016 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. John R. Roost, DO treated were hypertension, high cholesterol and depression.

Hypertension	29
High Cholesterol	24
Stroke	0
Ischemic Heart Disease	0
Depression	18
Chronic Kidney Disease	0
Asthma	0
Osteoporosis	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Atrial Fibrillation	0
Dementia	0
Cancer	0

Education & Training

Dr. John R. Roost, DO graduated from Michigan State University College of Osteopathic Medicine in 2012. He completed residency at Mercy St. Vincent Medical Center, Toledo. He is certified by the American Osteopathic Board of Obstetrics & Gynecology (Obstetrics & Gynecology) and has a state license in Ohio.

Medical School: Michigan State University College of Osteopathic Medicine (2012)

Residency: Mercy St. Vincent Medical Center, Toledo (2016)

Board Certification: American Osteopathic Board of Obstetrics & Gynecology (Obstetrics & Gynecology)

Licensed In: Ohio

Affiliations & Hospitals

Dr. John R. Roost, DO is associated with these hospitals and organizations:

Mercy Health - St. Vincent Medical Center

Mercy Health

Mercy Health - St. Anne Hospital

Mercy Health - Defiance Hospital

Mercy Health - St. Charles Hospital

Mercy Health - Perrysburg Hospital

MERCY HEALTH PHYSICIANS NORTH SPECIALTY CARE LLC

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. John R. Roost, DO appears to accept the following insurance providers: CorVel, WellCare, AmeriHealth, Medicare Advantage, McLaren Health Plan, MultiPlan, Medical Mutual, HealthSpring, United Healthcare, Medicaid, Humana, Cigna, Molina Healthcare, Anthem, Health Alliance Plan (HAP), HealthSmart, Ohio Health Choice, Parkview-Signature One OH, Medigold OH, Valor Health Plan OH, CareSource OH, Aetna Better Health OH, Aetna Commercial & Aetna Medicare OH, Frontpath Health Coalition OH, The Health Plan OH, Align Senior Care OH, Immergrun OH, Paramount Commercial OH, CIN-MHS NON-MSSP, Buckeye Health Plan OH, Quality Care Partners PPO OH, SummaCare OH, Medicare OH, Sedgwick/Careworks KY OH SC VA, Payer Provider, Aetna Whole Health ACO OH and Lutheran Preferred OH.

Insurance Accepted by Provider includes:

According to our sources, Dr. John R. Roost, DO accepts the following insurance providers:

CorVel

WellCare

AmeriHealth

Medicare Advantage

McLaren Health Plan

MultiPlan

Medical Mutual

HealthSpring

United Healthcare

Medicaid

Humana

Cigna

Molina Healthcare

Anthem

Health Alliance Plan (HAP)

HealthSmart

Ohio Health Choice

Parkview-Signature One OH

Medigold OH

Valor Health Plan OH

CareSource OH

Aetna Better Health OH

Aetna Commercial & Aetna Medicare OH

Frontpath Health Coalition OH

The Health Plan OH

Align Senior Care OH

Immergrun OH

Paramount Commercial OH

CIN-MHS NON-MSSP

Buckeye Health Plan OH

Quality Care Partners PPO OH

SummaCare OH

Medicare OH

Sedgwick/Careworks KY OH SC VA

Payer Provider

Aetna Whole Health ACO OH

Lutheran Preferred OH

Ratings & Reviews

Dr. John R. Roost, DO has an exceptional overall rating with an average of 4.92 out of 5 stars based on 200 ratings. We collect ratings and reviews of Dr. John R. Roost, DO from all over the web to help you find the right in DEFIANCE, OH.

4.92

Overall Rating

(200 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2024-01-04

Patient verified via Press Ganey

Dr. Roost is a wonderful physician. He is genuine, caring, and definitely concerned for his patients. One of the best doctors I have ever had. He is an asset to Mercy Health.

Overall Rating: 5.0 2025-09-12

Patient verified via Press Ganey

Dr Roost listened to me and answered all my questions. He was very respectful of me as a patient and as a person.

Overall Rating: 5.0 2024-04-17

Patient verified via Press Ganey

Excellent job of explaining possible treatments, side effects, and ways to contact Dr with questions, concerns.

Overall Rating: 5.0 2024-03-09

Patient verified via Press Ganey

I tell everyone about Dr Roost and I highly recommend him and his office if anyone expressed OBGYN needs

Overall Rating: 5.0 2025-05-30

Patient verified via Press Ganey

Great experience overall. Dr Roost is an excellent doctor. Would highly recommend.

Overall Rating: 5.0 2025-05-31

Patient verified via Press Ganey

Dr. Roost is one of the very BEST doctor I have ever had!

Overall Rating: 5.0 2025-05-22

Patient verified via Press Ganey

Recommend Dr. Roost to everyone!

Overall Rating: 5.0 2025-04-10

Patient verified via Press Ganey

Exceeds 100% expectations

General Payments

These charts describe general payments received by Dr. John R. Roost, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Intuitive Surgical, Inc.	$10,719 Da Vinci Surgical System $10,719
Acessa Health Inc.	$997 Acessa $997
CooperSurgical, Inc.	$635 Uterine Manipulators & Injectors $375	Other GYN Products $150	Global Endometrial Abiation $100	Endosee $9
AbbVie Inc.	$301 Orilissa $110	ORIAHNN $102	LO LOESTRIN FE $75	Liletta $14
HOLOGIC INC	$285 NovaSure $241	Novasure Myosure $45
Other	$2,833 MYFEMBREE $440	Orilissa $259	OVA1 $198	Injectafer $161	Progel $158	Other $1,616

**Types of Payments**
Travel and Lodging	$8,173
Food and Beverage	$5,006
Education	$2,590

Biography

Dr. John Roost is a specialist in obstetrics & gynecology. The average patient rating for Dr. Roost is 5.0 stars (out of 5). He most likely takes McLaren Health Plan, Anthem, and Medical Mutual, as well as other insurance carriers. Before completing his residency at Mercy St. Vincent Medical Center, Toledo, Dr. Roost attended medical school at Michigan State University College of Osteopathic Medicine. His hospital/clinic affiliations include Mercy Health - St. Anne Hospital, Mercy Health - St. Vincent Medical Center, and Mercy Health - St. Charles Hospital. He has an open panel in Defiance, OH according to Mercy Health.