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Dr. Mark E. Lassise, MD

(No ratings)

Specializes in: Psychiatry

University of Colorado Denver School of Medicine

308 N. Maple Avenue
New Hampton, IA 50659

(641) 394-4121

Dr. Mark E. Lassise, MD is a psychiatrist in Southeast Oelwein, IA specializing in psychiatry. He graduated from University of Colorado Denver School of Medicine. Dr. Mark E. Lassise, MD is affiliated with Mason City Clinic and MercyOne.

Office Locations

MercyOne

201 8th Avenue
Southeast Oelwein, IA 50662

(319) 283-6000

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MercyOne

250 South Crescent Drive Suite M0600
Mason City, IA 50401

(641) 494-5170

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MercyOne

308 N. Maple Avenue
New Hampton, IA 50659

(641) 394-4121

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In The News

“Dr. Mark Lassise, a Mason City psychiatrist who treated Becker in September 2008 and November 2008, said Becker experienced intense hallucinations that seemed to worsen between episodes.”—"Accused coach shooter's mom says son had delusions", The San Diego Union-Tribune, February 2010

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark E. Lassise, MD treated as a psychiatrist in Southeast Oelwein, IA during 2012 were medication management, hospital care, inpatient care and diagnostic evaluation.

Volume of procedures performed by Dr. Mark E. Lassise, MD for Medicare patients.

abdominal imaging	173
brain imaging (neuroimaging)	64
CT scan	188
diagnostic evaluation	258
hospital care	619
inpatient care	619
medication management	1762
MRI (magnetic resonance imaging)	64
neck imaging	15
pelvic imaging	173

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark E. Lassise, MD treated as a psychiatrist in Southeast Oelwein, IA during 2013 were hospital care, inpatient care, nursing home care and CT scan.

Volume of procedures performed by Dr. Mark E. Lassise, MD for Medicare patients.

abdominal imaging	222
brain imaging (neuroimaging)	59
CT scan	236
doctor visit	1664
hospital care	515
inpatient care	515
MRI (magnetic resonance imaging)	59
neck imaging	14
nursing home care	280
pelvic imaging	222

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Lassise, MD.

**Gender**
Male	532
Female	506

**Ethnicity**
Non-Hispanic White	1007
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	300
From 75 to 84	240
85 and over	102
Less than 65	396

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2013

Hypertension	54
High Cholesterol	41
Stroke	4
Ischemic Heart Disease	31
Depression	50
Chronic Kidney Disease	17
Asthma	8
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	17
Chronic Obstructive Pulmonary Disease	16
Diabetes	29
Dementia	15
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark E. Lassise, MD treated as a psychiatrist in Southeast Oelwein, IA during 2014 were hospital care, inpatient care, nursing home care and CT scan.

Volume of procedures performed by Dr. Mark E. Lassise, MD for Medicare patients.

abdominal imaging	169
brain imaging (neuroimaging)	40
CT scan	169
doctor visit	1505
hospital care	662
inpatient care	662
MRI (magnetic resonance imaging)	40
nursing home care	393
pelvic imaging	169

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Lassise, MD.

**Gender**
Male	508
Female	488

**Ethnicity**
Non-Hispanic White	964
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	253
From 75 to 84	205
85 and over	113
Less than 65	425

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2014

Hypertension	52
High Cholesterol	37
Stroke	4
Ischemic Heart Disease	30
Depression	54
Chronic Kidney Disease	18
Asthma	8
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	18
Diabetes	30
Dementia	16
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark E. Lassise, MD treated as a psychiatrist in Southeast Oelwein, IA during 2015 were nursing home care, hospital care, inpatient care and CT scan.

Volume of procedures performed by Dr. Mark E. Lassise, MD for Medicare patients.

abdominal imaging	168
brain imaging (neuroimaging)	13
CT scan	182
doctor visit	1520
hospital care	498
inpatient care	498
MRI (magnetic resonance imaging)	13
neck imaging	14
nursing home care	786
pelvic imaging	168

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Lassise, MD.

**Gender**
Male	1004
Female	1126

**Ethnicity**
Non-Hispanic White	2076
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	558
From 75 to 84	422
85 and over	312
Less than 65	838

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2015

Hypertension	58
High Cholesterol	40
Stroke	5
Ischemic Heart Disease	29
Depression	58
Chronic Kidney Disease	22
Asthma	12
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	30
Dementia	24
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark E. Lassise, MD treated as a psychiatrist in Southeast Oelwein, IA during 2016 were nursing home care, hospital care, inpatient care and CT scan.

Volume of procedures performed by Dr. Mark E. Lassise, MD for Medicare patients.

abdominal imaging	130
brain imaging (neuroimaging)	28
CT scan	160
doctor visit	1364
hospital care	710
inpatient care	710
MRI (magnetic resonance imaging)	47
neck imaging	13
nursing home care	855
pelvic imaging	130
spinal procedures	19
thoracic (chest) imaging	17

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Lassise, MD.

**Gender**
Male	505
Female	581

**Ethnicity**
Non-Hispanic White	1060
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	287
From 75 to 84	234
85 and over	169
Less than 65	396

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2016

Hypertension	60
High Cholesterol	43
Stroke	3
Ischemic Heart Disease	32
Depression	52
Chronic Kidney Disease	27
Asthma	22
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	19
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	25
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark E. Lassise, MD treated as a psychiatrist in Southeast Oelwein, IA during 2017 were nursing home care, hospital care, inpatient care and CT scan.

Volume of procedures performed by Dr. Mark E. Lassise, MD for Medicare patients.

abdominal imaging	72
brain imaging (neuroimaging)	28
CT scan	72
doctor visit	1373
hospital care	431
inpatient care	431
MRI (magnetic resonance imaging)	28
nursing home care	495
pelvic imaging	72

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Lassise, MD.

**Gender**
Male	422
Female	509

**Ethnicity**
Non-Hispanic White	898
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	259
From 75 to 84	197
85 and over	153
Less than 65	322

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2017

Hypertension	61
High Cholesterol	40
Stroke	5
Ischemic Heart Disease	31
Depression	64
Chronic Kidney Disease	27
Asthma	5
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	20
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	28
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark E. Lassise, MD treated as a psychiatrist in Southeast Oelwein, IA during 2018 were hospital care, inpatient care, nursing home care and CT scan.

Volume of procedures performed by Dr. Mark E. Lassise, MD for Medicare patients.

abdominal imaging	85
brain imaging (neuroimaging)	21
CT scan	85
doctor visit	1215
hospital care	558
inpatient care	558
MRI (magnetic resonance imaging)	21
nursing home care	413
pelvic imaging	85

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Lassise, MD.

**Gender**
Male	437
Female	553

**Ethnicity**
Non-Hispanic White	954
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	261
From 75 to 84	223
85 and over	145
Less than 65	361

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2018

Hypertension	62
High Cholesterol	46
Stroke	5
Ischemic Heart Disease	30
Depression	70
Chronic Kidney Disease	28
Asthma	8
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	31
Dementia	27
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark E. Lassise, MD treated as a psychiatrist in Southeast Oelwein, IA during 2019 were nursing home care, hospital care, inpatient care and CT scan.

Volume of procedures performed by Dr. Mark E. Lassise, MD for Medicare patients.

abdominal imaging	75
CT scan	75
doctor visit	1242
hospital care	588
inpatient care	588
nursing home care	601
pelvic imaging	75

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Lassise, MD.

**Gender**
Male	347
Female	437

**Ethnicity**
Non-Hispanic White	747
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	148
85 and over	99
Less than 65	297

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2019

Hypertension	56
High Cholesterol	44
Stroke	4
Ischemic Heart Disease	27
Depression	68
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	32
Dementia	20
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark E. Lassise, MD treated as a psychiatrist in Southeast Oelwein, IA during 2020 were hospital care, inpatient care, nursing home care and CT scan.

Volume of procedures performed by Dr. Mark E. Lassise, MD for Medicare patients.

abdominal imaging	17
CT scan	17
doctor visit	1023
hospital care	598
inpatient care	598
nursing home care	250
pelvic imaging	17

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Lassise, MD.

**Gender**
Male	242
Female	356

**Ethnicity**
Non-Hispanic White	571
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	105
85 and over	64
Less than 65	246

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2020

Hypertension	55
High Cholesterol	41
Stroke	4
Ischemic Heart Disease	23
Depression	75
Chronic Kidney Disease	33
Asthma	10
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	19
Chronic Obstructive Pulmonary Disease	13
Diabetes	33
Dementia	21
Cancer	5

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark E. Lassise, MD treated as a psychiatrist in Southeast Oelwein, IA during 2021 were nursing home care, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark E. Lassise, MD for Medicare patients.

doctor visit	870
hospital care	232
inpatient care	232
nursing home care	285

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Lassise, MD.

**Gender**
Male	164
Female	241

**Ethnicity**
Non-Hispanic White	386
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	69
85 and over	49
Less than 65	155

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2021

Hypertension	60
High Cholesterol	44
Stroke	5
Ischemic Heart Disease	25
Depression	75
Chronic Kidney Disease	29
Asthma	9
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	19
Chronic Obstructive Pulmonary Disease	13
Diabetes	35
Dementia	21
Cancer	7

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark E. Lassise, MD treated as a psychiatrist in Southeast Oelwein, IA during 2022 were nursing home care, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark E. Lassise, MD for Medicare patients.

doctor visit	725
hospital care	47
inpatient care	47
nursing home care	67

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark E. Lassise, MD.

**Gender**
Male	127
Female	199

**Ethnicity**
Non-Hispanic White	311
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	68
85 and over	33
Less than 65	111

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2022

Hypertension	64
High Cholesterol	61
Stroke	9
Ischemic Heart Disease	20
Depression	75
Chronic Kidney Disease	20
Asthma	13
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	34
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark E. Lassise, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark E. Lassise, MD treated as a psychiatrist in Southeast Oelwein, IA were hospital care, inpatient care, nursing home care and diagnostic evaluation.

abdominal imaging	123
brain imaging (neuroimaging)	36
CT scan	131
diagnostic evaluation	258
doctor visit	1250
hospital care	496
inpatient care	496
MRI (magnetic resonance imaging)	38
neck imaging	14
nursing home care	442
pelvic imaging	123
spinal procedures	19
thoracic (chest) imaging	17

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark E. Lassise, MD.

**Gender**
Male	389
Female	454

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	815
Native American / Alaskan Native	0
Hispanic	5
Other	4

**Age**
75 to 84	173
85 and over	112
Less than 65	322
65 to 74	235

Average of Total of Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark E. Lassise, MD treated were depression, hypertension, high cholesterol and diabetes.

Hypertension	52
High Cholesterol	39
Stroke	4
Ischemic Heart Disease	25
Depression	58
Chronic Kidney Disease	22
Asthma	9
Osteoporosis	6
Heart Failure	17
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Atrial Fibrillation	7
Dementia	19
Cancer	7

Education & Training

Dr. Mark E. Lassise, MD graduated from University of Colorado Denver School of Medicine. He completed residency at Mayo Clinic. He is certified by the Psychiatry, American Board of Psychiatry & Neurology Psychiatry and has a state license in Iowa.

Medical School: University of Colorado Denver School of Medicine

Residency: Mayo Clinic

Board Certification: Psychiatry, American Board of Psychiatry & Neurology Psychiatry

Licensed In: Iowa

Affiliations & Hospitals

Dr. Mark E. Lassise, MD is associated with these hospitals and organizations:

Mason City Clinic

MercyOne

Ratings & Reviews

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General Payments

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

**Payments by Company**
Sunovion Pharmaceuticals Inc.	$2,300 LATUDA $2,297	$3
Allergan Inc.	$936 VRAYLAR $921	VIIBRYD $5	FETZIMA $5	SAPHRIS $4
Otsuka America Pharmaceutical, Inc.	$871 REXULTI $608	ABILIFY MAINTENA $238	Nuedexta $13	ABILIFY TABLET $12
AbbVie Inc.	$855 VRAYLAR $855
Janssen Pharmaceuticals, Inc	$836 SPRAVATO $476	INVEGA SUSTENNA $263	INVEGA TRINZA $85	$12
Other	$3,144 REXULTI $501	CAPLYTA $467	VRAYLAR $454	SAPHRIS $256	LYBALVI $221	Other $1,245

**Types of Payments**
Food and Beverage	$8,804
Education	$138

Biography

Dr. Mark Lassise's specialty is psychiatry. In his practice, Dr. Lassise focuses on psychiatry. Dr. Lassise's education and training includes medical school at the University of Colorado Denver School of Medicine and residency at Mayo Clinic. His hospital/clinic affiliations include MercyOne and Mason City Clinic.

Select Year:

Dr. Mark E. Lassise, MD

Office Locations

Therapy on Your Terms

In The News

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Mark E. Lassise, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography