Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > WI Providers

Tammy L. Johnsen, APNP, NP

(Tammy Johnsen, NP)

(79 Ratings)

Specializes in: Cardiology (Heart Disease)

725 American Avenue
Waukesha, WI 53188

(262) 928-8800

Tammy L. Johnsen, APNP, NP is a nurse in Oconomowoc, WI specializing in cardiology (heart disease). Tammy L. Johnsen, APNP, NP is affiliated with ProHealth Care and PROHEALTH MEDICAL GROUP INC.

Office Locations

ProHealth Care

1185 Corporate Center Drive
Oconomowoc, WI 53066

(262) 928-8400

open_in_new

ProHealth Care

725 American Avenue
Waukesha, WI 53188

(262) 928-8800

open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Tammy L. Johnsen, APNP, NP treated as a nurse in Oconomowoc, WI during 2012 were lab tests.

Volume of procedures performed by Tammy L. Johnsen, APNP, NP for Medicare patients.

doctor visit	95
lab tests	56

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Tammy L. Johnsen, APNP, NP treated as a nurse in Oconomowoc, WI during 2013 were blood draw.

Volume of procedures performed by Tammy L. Johnsen, APNP, NP for Medicare patients.

blood draw	127
doctor visit	93

2013 Medicare Patient Data

Information about Medicare patients treated by Tammy L. Johnsen, APNP, NP.

**Gender**
Male	108
Female	123

**Ethnicity**
Non-Hispanic White	199
Black	15
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	77
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Tammy L. Johnsen, APNP, NP in 2013

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	65
Depression	14
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	9
Atrial Fibrilation	39
Heart Failure	34
Chronic Obstructive Pulmonary Disease	16
Diabetes	39
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Tammy L. Johnsen, APNP, NP treated as a nurse in Oconomowoc, WI during 2014 were blood draw.

Volume of procedures performed by Tammy L. Johnsen, APNP, NP for Medicare patients.

blood draw	130
doctor visit	39

2014 Medicare Patient Data

Information about Medicare patients treated by Tammy L. Johnsen, APNP, NP.

**Gender**
Male	82
Female	79

**Ethnicity**
Non-Hispanic White	149
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	51
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Tammy L. Johnsen, APNP, NP in 2014

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	65
Depression	16
Chronic Kidney Disease	24
Asthma	7
Osteoperosis	7
Atrial Fibrilation	36
Heart Failure	40
Chronic Obstructive Pulmonary Disease	18
Diabetes	32
Dementia	0
Cancer	19

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Tammy L. Johnsen, APNP, NP treated as a nurse in Oconomowoc, WI during 2015 were blood draw.

Volume of procedures performed by Tammy L. Johnsen, APNP, NP for Medicare patients.

blood draw	102
doctor visit	45

2015 Medicare Patient Data

Information about Medicare patients treated by Tammy L. Johnsen, APNP, NP.

**Gender**
Male	138
Female	182

**Ethnicity**
Non-Hispanic White	288
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	98
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Tammy L. Johnsen, APNP, NP in 2015

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	68
Depression	14
Chronic Kidney Disease	36
Asthma	18
Osteoperosis	9
Atrial Fibrilation	40
Heart Failure	41
Chronic Obstructive Pulmonary Disease	22
Diabetes	38
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Tammy L. Johnsen, APNP, NP treated as a nurse in Oconomowoc, WI during 2016 were lab tests, blood draw and preventive care.

Volume of procedures performed by Tammy L. Johnsen, APNP, NP for Medicare patients.

blood draw	74
doctor visit	12
lab tests	94
preventive care	18

2016 Medicare Patient Data

Information about Medicare patients treated by Tammy L. Johnsen, APNP, NP.

**Gender**
Male	47
Female	54

**Ethnicity**
Non-Hispanic White	85
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	53
From 75 to 84	29
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Tammy L. Johnsen, APNP, NP in 2016

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	69
Depression	14
Chronic Kidney Disease	40
Asthma	28
Osteoperosis	0
Atrial Fibrilation	42
Heart Failure	38
Chronic Obstructive Pulmonary Disease	24
Diabetes	31
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Tammy L. Johnsen, APNP, NP treated as a nurse in Oconomowoc, WI during 2017 were blood draw.

Volume of procedures performed by Tammy L. Johnsen, APNP, NP for Medicare patients.

blood draw	15
doctor visit	73

2017 Medicare Patient Data

Information about Medicare patients treated by Tammy L. Johnsen, APNP, NP.

**Gender**
Male	59
Female	39

**Age**
From 65 to 74	40
From 75 to 84	39
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Tammy L. Johnsen, APNP, NP in 2017

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	74
Depression	13
Chronic Kidney Disease	47
Asthma	0
Osteoperosis	0
Atrial Fibrilation	43
Heart Failure	37
Chronic Obstructive Pulmonary Disease	29
Diabetes	35
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Tammy L. Johnsen, APNP, NP treated as a nurse in Oconomowoc, WI during 2018 were lab tests.

Volume of procedures performed by Tammy L. Johnsen, APNP, NP for Medicare patients.

doctor visit	89
lab tests	58

2018 Medicare Patient Data

Information about Medicare patients treated by Tammy L. Johnsen, APNP, NP.

**Gender**
Male	52
Female	50

**Age**
From 65 to 74	35
From 75 to 84	41
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Tammy L. Johnsen, APNP, NP in 2018

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	74
Depression	29
Chronic Kidney Disease	54
Asthma	15
Osteoperosis	13
Atrial Fibrilation	63
Heart Failure	56
Chronic Obstructive Pulmonary Disease	24
Diabetes	37
Dementia	20
Cancer	17

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Tammy L. Johnsen, APNP, NP treated as a nurse in Oconomowoc, WI during 2019 were lab tests, hospital care and inpatient care.

Volume of procedures performed by Tammy L. Johnsen, APNP, NP for Medicare patients.

doctor visit	151
hospital care	37
inpatient care	37
lab tests	46

2019 Medicare Patient Data

Information about Medicare patients treated by Tammy L. Johnsen, APNP, NP.

**Gender**
Male	117
Female	104

**Age**
From 65 to 74	79
From 75 to 84	91
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Tammy L. Johnsen, APNP, NP in 2019

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	57
Asthma	14
Osteoperosis	9
Atrial Fibrilation	67
Heart Failure	53
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Dementia	14
Cancer	22

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Tammy L. Johnsen, APNP, NP treated as a nurse in Oconomowoc, WI during 2020 were hospital care and inpatient care.

Volume of procedures performed by Tammy L. Johnsen, APNP, NP for Medicare patients.

doctor visit	89
hospital care	12
inpatient care	12

2020 Medicare Patient Data

Information about Medicare patients treated by Tammy L. Johnsen, APNP, NP.

**Gender**
Male	51
Female	53

**Age**
From 65 to 74	39
From 75 to 84	37
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Tammy L. Johnsen, APNP, NP in 2020

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	55
Asthma	13
Osteoperosis	0
Atrial Fibrilation	36
Heart Failure	52
Chronic Obstructive Pulmonary Disease	22
Diabetes	32
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Tammy L. Johnsen, APNP, NP for Medicare patients.

doctor visit	111

2021 Medicare Patient Data

Information about Medicare patients treated by Tammy L. Johnsen, APNP, NP.

**Gender**
Male	58
Female	65

**Age**
From 65 to 74	42
From 75 to 84	45
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Tammy L. Johnsen, APNP, NP in 2021

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	29
Chronic Kidney Disease	58
Asthma	12
Osteoperosis	0
Atrial Fibrilation	49
Heart Failure	45
Chronic Obstructive Pulmonary Disease	20
Diabetes	28
Dementia	11
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Tammy L. Johnsen, APNP, NP treated as a nurse in Oconomowoc, WI during 2022 were hospital care and inpatient care.

Volume of procedures performed by Tammy L. Johnsen, APNP, NP for Medicare patients.

doctor visit	129
hospital care	49
inpatient care	49

2022 Medicare Patient Data

Information about Medicare patients treated by Tammy L. Johnsen, APNP, NP.

**Gender**
Male	83
Female	71

**Age**
From 65 to 74	54
From 75 to 84	52
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Tammy L. Johnsen, APNP, NP in 2022

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	71
Depression	22
Chronic Kidney Disease	49
Asthma	16
Osteoperosis	14
Atrial Fibrilation	60
Heart Failure	60
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Dementia	14
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Tammy L. Johnsen, APNP, NP for Medicare patients.

The highest averages for the top procedures that Tammy L. Johnsen, APNP, NP treated as a nurse in Oconomowoc, WI were blood draw, lab tests, hospital care and inpatient care.

blood draw	89
doctor visit	84
hospital care	32
inpatient care	32
lab tests	63
preventive care	18

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Tammy L. Johnsen, APNP, NP.

**Gender**
Male	72
Female	74

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	65
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	50
85 and over	0
Less than 65	0
65 to 74	61

Average of Total of Conditions of Medicare patients treated by Tammy L. Johnsen, APNP, NP From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Tammy L. Johnsen, APNP, NP treated were high cholesterol, hypertension, ischemic heart disease and atrial fibrilation.

Hypertension	68
High Cholesterol	68
Stroke	3
Ischemic Heart Disease	64
Depression	17
Chronic Kidney Disease	40
Asthma	12
Osteoporosis	5
Heart Failure	41
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Atrial Fibrillation	43
Dementia	9
Cancer	14

Education & Training

She has a state license in Illinois.

Licensed In: Illinois

Affiliations & Hospitals

Tammy L. Johnsen, APNP, NP is associated with these hospitals and organizations:

ProHealth Care

PROHEALTH MEDICAL GROUP INC

Ratings & Reviews

Tammy L. Johnsen, APNP, NP has an exceptional overall rating with an average of 4.92 out of 5 stars based on 79 ratings. We collect ratings and reviews of Tammy L. Johnsen, APNP, NP from all over the web to help you find the right in Oconomowoc, WI.

4.92

Overall Rating

(79 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Tammy L. Johnsen, APNP, NP. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Amgen Inc.	$121 Repatha $121
AstraZeneca Pharmaceuticals LP	$62 ATACAND $62

**Types of Payments**
Food and Beverage	$121
Education	$62

Biography

Ms. Tammy Johnsen practices cardiology (heart disease). Patient ratings for Ms. Johnsen average 5.0 stars (out of 5). She is professionally affiliated with ProHealth Care.