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Dr. Yumi Imai, MD

(269 Ratings)

Specializes in: Adult Endocrinology

Tohoku University School of Medicine

Professional interests include: pituitary disorders, parathyroid disease, thyroid problems, and more.

105 E. 9th Street Coralville, Iowa River Landing
Coralville, IA 52241

(319) 353-7812

Dr. Yumi Imai, MD is an endocrinologist in Coralville, IA specializing in adult endocrinology. She graduated from Tohoku University School of Medicine. Dr. Yumi Imai, MD is affiliated with U.S. Department of Veterans Affairs and University of Iowa Health Care.

Office Locations

105 E. 9th Street Coralville, Iowa River Landing
Coralville, IA 52241

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200 Hawkins Drive
Iowa City, IA 52242

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601 Highway 6 Iowa City Vamc (584)
West Iowa City, IA 52246

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Some issues Dr. Yumi Imai, MD can help you with:

Thyroid Problems

Thyroid problems are a group of conditions that alter hormone regulation and metabolism. The thyroid is a small, butterfly-shaped gland located in the lower neck, just below the Adam's apple (laryngeal prominence) and larynx (voice box). Despite its small size, the thyroid has an outsized effect on the body by regulating hormones that control metabolism. Metabolism is the body's process of converting consumed food into fuel to power the entire body. Heart rate, weight, cholesterol, body temperature, and even physical growth and development are all affected by the metabolism.

When the thyroid malfunctions, the body is unable to properly process and allocate energy. Thyroid problems, such as hyperthyroidism (overactive thyroid) and hypothyroidism (underactive thyroid), cause irregular metabolism. In some cases, the body produces antibodies that attack the thyroid cells for unknown reasons. The damaged thyroid responds by releasing either too little or too much T3 and T4 thyroid hormones. Thyroid malfunctions may also arise from genetic causes or iodine deficiency. Thyroid problems may include:

Hashimoto's thyroiditis, an autoimmune disease that causes hypothyroidism
Graves' disease, an autoimmune disease that causes hyperthyroidism
Goiter
Thyroid nodule
Thyroid cancer

Hashimoto's is the leading cause of hypothyroidism, which is when the thyroid does not produce enough hormones to stimulate adequate metabolism. The condition is diagnosed by blood tests that measure TSH (thyroid stimulating hormone) and detect Hashimoto's antibodies. Symptoms of hypothyroidism include sluggish metabolism, inflammation, fatigue, weight gain, brittle hair, dry skin, and sensitivity to cold. To supplement impaired thyroid function, patients with Hashimoto's are typically prescribed synthetic thyroid hormone pills. Such patients may need to consume synthetic thyroids for the rest of their lives. Other treatments may include dietary changes, such as the avoidance of certain foods and medication to reduce inflammation. Frequent blood tests can inform patients if their TSH levels are within a normal range.

Grave's disease is most frequently the cause of hyperthyroidism, which is when the thyroid produces too many hormones, overstimulating one's metabolism. The condition is also diagnosed by blood tests that measure TSH and detect Grave's antibodies. Elevated heart rate, high blood pressure, sweating, bulging eyes, and weight loss are common symptoms of hyperthyroidism. Treatments for hyperthyroidism include oral radioactive iodine, which slowly shrinks the thyroid, slowing the production of excess thyroid hormone. Other anti-thyroid medications such as methimazole (Tapazole) also reduce the production of thyroid hormones. Blood pressure medications known as beta blockers can ease the increased heart rate caused by hyperthyroidism. If treatments are unsuccessful, patients may be prescribed a thyroidectomy, or surgery to remove part or all of the thyroid. Some patients with hyperthyroidism may require ophthalmological (eye medicine) treatments such as eye drops, prednisone, and surgery to reduce eye swelling and bulging.

Untreated thyroid disorders frequently lead to goiters or thyroid nodules. A thyroid goiter is a large lump that can be felt near the base of the neck and is made of swollen thyroid tissue or nodules (excess cell growth). Nodules and goiters are diagnosed by CT scan or ultrasound. Obstructive goiters can cause pain, coughing, and abnormal breathing. The most common cause of goiters is hyperthyroidism (overactive thyroid). However, Hashimoto's is also known to cause goiters or nodules. Goiters develop from continued damage from antibodies to the thyroid over time. At times, a goiter can result from a cancerous thyroid tumor. Most goiters and nodules are themselves benign.

The exact causes of thyroid cancer are unknown. People who develop thyroid cancer may or may not have another thyroid problem such as Hashimoto's or Grave's disease. Symptoms of thyroid cancer include a nodule that can be felt on the neck, hoarseness, difficulty swallowing, swelling in the neck, and neck and throat pain. CT and MRI scans are used to diagnose thyroid cancer. There are four types of thyroid cancer which vary in intensity. Thyroidectomy (thyroid removal surgery) is usually prescribed to treat thyroid cancer.

Thyroid problems are often long-term conditions that require some form of treatment. With regular monitoring and medication, many people with thyroid problems are able to lead active and fulfilling lives.

In The News

“Dr. Yumi Imai, an assistant professor of internal medicine and doctor at the EVMS Strelitz Diabetes Center, will hone in on a protein that regulates the use of lipids, which are fatty molecules the...”—"EVMS researcher receives $1M to study diabetes", The Virginian-Pilot, March 2011

“Dr. Yumi Imai, who is investigating a protein that may prevent obese people from developing Type 2 diabetes, recently received the National Institutes of Health research grant.”—"EVMS professor receives $1M diabetes research grant", Daily Press, March 2011

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Yumi Imai, MD treated as an endocrinologist in Coralville, IA during 2012 were hospital care, inpatient care, lab tests and diabetes management.

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

diabetes management	96
doctor visit	204
hospital care	103
inpatient care	103
lab tests	96

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Yumi Imai, MD treated as an endocrinologist in Coralville, IA during 2013 were hospital care, inpatient care, lab tests and diabetes management.

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

diabetes management	135
doctor visit	219
hospital care	167
inpatient care	167
lab tests	135

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Yumi Imai, MD.

**Gender**
Male	92
Female	108

**Ethnicity**
Non-Hispanic White	104
Black	84
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	33
85 and over	12
Less than 65	78

Conditions of Medicare patients treated by Dr. Yumi Imai, MD in 2013

Hypertension	75
High Cholesterol	73
Stroke	12
Ischemic Heart Disease	51
Depression	30
Chronic Kidney Disease	46
Asthma	14
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	37
Chronic Obstructive Pulmonary Disease	24
Diabetes	75
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Yumi Imai, MD treated as an endocrinologist in Coralville, IA during 2014 were lab tests, hospital care, inpatient care and diabetes management.

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

diabetes management	149
doctor visit	334
hospital care	149
inpatient care	149
lab tests	149

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Yumi Imai, MD.

**Gender**
Male	113
Female	126

**Ethnicity**
Non-Hispanic White	118
Black	94
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	50
85 and over	11
Less than 65	78

Conditions of Medicare patients treated by Dr. Yumi Imai, MD in 2014

Hypertension	75
High Cholesterol	74
Stroke	10
Ischemic Heart Disease	54
Depression	28
Chronic Kidney Disease	49
Asthma	14
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	35
Chronic Obstructive Pulmonary Disease	17
Diabetes	75
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Yumi Imai, MD treated as an endocrinologist in Coralville, IA during 2015 were lab tests, diabetes management, hospital care and inpatient care.

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

diabetes management	220
doctor visit	264
hospital care	219
inpatient care	219
lab tests	220
preventive care	31

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Yumi Imai, MD.

**Gender**
Male	264
Female	318

**Ethnicity**
Non-Hispanic White	282
Black	252
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	266
From 75 to 84	122
85 and over	26
Less than 65	168

Conditions of Medicare patients treated by Dr. Yumi Imai, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	50
Depression	26
Chronic Kidney Disease	60
Asthma	18
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	37
Chronic Obstructive Pulmonary Disease	21
Diabetes	75
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Yumi Imai, MD treated as an endocrinologist in Coralville, IA during 2016 were lab tests, diabetes management, hospital care and inpatient care.

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

diabetes management	167
doctor visit	176
hospital care	104
inpatient care	104
lab tests	167
preventive care	17

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Yumi Imai, MD.

**Gender**
Male	120
Female	125

**Ethnicity**
Non-Hispanic White	129
Black	94
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	103
From 75 to 84	51
85 and over	12
Less than 65	79

Conditions of Medicare patients treated by Dr. Yumi Imai, MD in 2016

Hypertension	75
High Cholesterol	73
Stroke	6
Ischemic Heart Disease	49
Depression	28
Chronic Kidney Disease	75
Asthma	26
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	35
Chronic Obstructive Pulmonary Disease	19
Diabetes	75
Dementia	11
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Yumi Imai, MD treated as an endocrinologist in Coralville, IA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

doctor visit	130
hospital care	65
inpatient care	65

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Yumi Imai, MD.

**Gender**
Male	78
Female	113

**Ethnicity**
Non-Hispanic White	173
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	79
From 75 to 84	0
85 and over	0
Less than 65	73

Conditions of Medicare patients treated by Dr. Yumi Imai, MD in 2017

Hypertension	75
High Cholesterol	57
Stroke	10
Ischemic Heart Disease	38
Depression	34
Chronic Kidney Disease	65
Asthma	15
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	30
Chronic Obstructive Pulmonary Disease	24
Diabetes	61
Dementia	9
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Yumi Imai, MD treated as an endocrinologist in Coralville, IA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

doctor visit	147
hospital care	44
inpatient care	44

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Yumi Imai, MD.

**Gender**
Male	63
Female	125

**Ethnicity**
Non-Hispanic White	171
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	0
85 and over	0
Less than 65	66

Conditions of Medicare patients treated by Dr. Yumi Imai, MD in 2018

Hypertension	69
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	32
Depression	45
Chronic Kidney Disease	54
Asthma	14
Osteoperosis	15
Atrial Fibrilation	10
Heart Failure	26
Chronic Obstructive Pulmonary Disease	17
Diabetes	53
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Yumi Imai, MD treated as an endocrinologist in Coralville, IA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

doctor visit	107
hospital care	36
inpatient care	36

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Yumi Imai, MD.

**Gender**
Male	53
Female	92

**Ethnicity**
Non-Hispanic White	132
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	0
85 and over	0
Less than 65	35

Conditions of Medicare patients treated by Dr. Yumi Imai, MD in 2019

Hypertension	68
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	32
Depression	37
Chronic Kidney Disease	56
Asthma	8
Osteoperosis	21
Atrial Fibrilation	14
Heart Failure	28
Chronic Obstructive Pulmonary Disease	14
Diabetes	54
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Yumi Imai, MD treated as an endocrinologist in Coralville, IA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

doctor visit	70
hospital care	69
inpatient care	69

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Yumi Imai, MD.

**Gender**
Male	59
Female	88

**Ethnicity**
Non-Hispanic White	134
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	44
85 and over	11
Less than 65	32

Conditions of Medicare patients treated by Dr. Yumi Imai, MD in 2020

Hypertension	69
High Cholesterol	56
Stroke	11
Ischemic Heart Disease	41
Depression	41
Chronic Kidney Disease	60
Asthma	0
Osteoperosis	29
Atrial Fibrilation	14
Heart Failure	33
Chronic Obstructive Pulmonary Disease	15
Diabetes	55
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Yumi Imai, MD treated as an endocrinologist in Coralville, IA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

doctor visit	128
hospital care	115
inpatient care	115

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Yumi Imai, MD.

**Gender**
Male	79
Female	113

**Ethnicity**
Non-Hispanic White	176
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	46
85 and over	14
Less than 65	31

Conditions of Medicare patients treated by Dr. Yumi Imai, MD in 2021

Hypertension	72
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	36
Depression	31
Chronic Kidney Disease	52
Asthma	9
Osteoperosis	26
Atrial Fibrilation	18
Heart Failure	28
Chronic Obstructive Pulmonary Disease	10
Diabetes	49
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Yumi Imai, MD treated as an endocrinologist in Coralville, IA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

doctor visit	76
hospital care	38
inpatient care	38

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Yumi Imai, MD.

**Gender**
Male	33
Female	65

**Ethnicity**
Non-Hispanic White	84
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Yumi Imai, MD in 2022

Hypertension	66
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	28
Depression	22
Chronic Kidney Disease	28
Asthma	16
Osteoperosis	41
Atrial Fibrilation	15
Heart Failure	21
Chronic Obstructive Pulmonary Disease	12
Diabetes	35
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Yumi Imai, MD treated as an endocrinologist in Coralville, IA during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

doctor visit	68
hospital care	40
inpatient care	40

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Yumi Imai, MD.

**Gender**
Male	34
Female	51

**Age**
From 65 to 74	41
From 75 to 84	24
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Yumi Imai, MD in 2023

Hypertension	72
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	36
Depression	34
Chronic Kidney Disease	32
Asthma	15
Osteoperosis	36
Atrial Fibrilation	26
Heart Failure	27
Chronic Obstructive Pulmonary Disease	0
Diabetes	46
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

doctor visit	48

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Yumi Imai, MD.

**Gender**
Male	22
Female	36

**Age**
From 65 to 74	30
From 75 to 84	14
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Yumi Imai, MD in 2024

Hypertension	69
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	33
Depression	26
Chronic Kidney Disease	29
Asthma	19
Osteoperosis	43
Atrial Fibrilation	22
Heart Failure	0
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Yumi Imai, MD for Medicare patients.

The highest averages for the top procedures that Dr. Yumi Imai, MD treated as an endocrinologist in Coralville, IA were lab tests, diabetes management, hospital care and inpatient care.

diabetes management	153
doctor visit	151
hospital care	95
inpatient care	95
lab tests	153
preventive care	24

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Yumi Imai, MD.

**Gender**
Female	104
Male	77

**Ethnicity**
Black / African American	40
Asian / Pacific Islander	0
Non-Hispanic White	115
Hispanic	2
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	6
75 to 84	31
Less than 65	49
65 to 74	82

Average of Total of Conditions of Medicare patients treated by Dr. Yumi Imai, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Yumi Imai, MD treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	66
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	36
Depression	29
Chronic Kidney Disease	46
Asthma	12
Osteoporosis	20
Heart Failure	25
Chronic Obstructive Pulmonary Disease	14
Diabetes	53
Atrial Fibrillation	14
Cancer	10
Dementia	7

Education & Training

Dr. Yumi Imai, MD graduated from Tohoku University School of Medicine. She has a state license in Iowa.

Medical School: Tohoku University School of Medicine

Licensed In: Iowa

Affiliations & Hospitals

Dr. Yumi Imai, MD is associated with these hospitals and organizations:

U.S. Department of Veterans Affairs

University of Iowa Health Care

Ratings & Reviews

Dr. Yumi Imai, MD has an exceptional overall rating with an average of 4.58 out of 5 stars based on 269 ratings. We collect ratings and reviews of Dr. Yumi Imai, MD from all over the web to help you find the right in Coralville, IA.

4.58

Overall Rating

(269 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Yumi Imai, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Animas Corporation	$81 One Touch Ping $81
Medtronic MiniMed, Inc.	$67 Insulin pump $67
AstraZeneca Pharmaceuticals LP	$33 BYDUREON WEEKLY $33
Otsuka America Pharmaceutical, Inc.	$19 SAMSCA $19
SANOFI-AVENTIS U.S. LLC	$17 LANTUS $17
Other	$64 Diabetes Care Pen Needles $16	ZETIA $13	Belviq $12	HUMALOG $12	$10

**Types of Payments**
Food and Beverage	$281

Biography

Dr. Yumi Imai's area of specialization is adult endocrinology. Dr. Imai studied medicine at Tohoku University School of Medicine. In her practice, she is particularly interested in diabetes, thyroid problems, and pituitary disorders. Her average patient rating is 4.5 stars (out of 5). Dr. Imai is conversant in Japanese. She is affiliated with the University of Iowa Health Care and U.S. Department of Veterans Affairs.