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Home > WI Providers > Family Physicians & Family Medicine Specialists

Dr. Timothy J. Grass, DO

(535 Ratings)

Specializes in: Family Medicine

Midwestern University, Chicago College of Osteopathic Medicine

10101 S 27th Street
Franklin, WI 53132

(414) 325-4940

Dr. Timothy J. Grass, DO is a family medicine practitioner in Franklin, WI specializing in family medicine. He graduated from Midwestern University, Chicago College of Osteopathic Medicine. Dr. Timothy J. Grass, DO is affiliated with Ascension.

Office Locations

10101 S 27th Street
Franklin, WI 53132

(414) 325-4940

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9969 S 27th Street Floor 2
Franklin, WI 53132

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Noteworthy Medicare Patient Procedures Performed by Dr. Timothy J. Grass, DO in 2023

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

Top 25%

By Affordability:

In 2012, Dr. Timothy J. Grass, DO had a list price for flu shot, flu vaccine, immunization (preventive vaccines), and vaccines that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Wisconsin. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Timothy J. Grass, DO treated as a family medicine practitioner in Franklin, WI during 2012 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Timothy J. Grass, DO for Medicare patients.

blood draw	17
doctor visit	350
hospital care	172
inpatient care	172
preventive care	42
vaccines	42

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Timothy J. Grass, DO treated as a family medicine practitioner in Franklin, WI during 2013 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Timothy J. Grass, DO for Medicare patients.

doctor visit	366
hospital care	225
inpatient care	225
preventive care	40
vaccines	40

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy J. Grass, DO.

**Gender**
Male	143
Female	115

**Ethnicity**
Non-Hispanic White	234
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	74
85 and over	40
Less than 65	44

Conditions of Medicare patients treated by Dr. Timothy J. Grass, DO in 2013

Hypertension	75
High Cholesterol	66
Stroke	7
Ischemic Heart Disease	45
Depression	22
Chronic Kidney Disease	35
Asthma	11
Osteoperosis	7
Atrial Fibrilation	18
Heart Failure	30
Chronic Obstructive Pulmonary Disease	26
Diabetes	41
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Timothy J. Grass, DO treated as a family medicine practitioner in Franklin, WI during 2014 were preventive care, vaccines, hospital care and inpatient care.

Volume of procedures performed by Dr. Timothy J. Grass, DO for Medicare patients.

doctor visit	350
hospital care	27
inpatient care	27
preventive care	44
vaccines	44

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy J. Grass, DO.

**Gender**
Male	92
Female	79

**Ethnicity**
Non-Hispanic White	159
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	42
85 and over	16
Less than 65	28

Conditions of Medicare patients treated by Dr. Timothy J. Grass, DO in 2014

Hypertension	67
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	35
Depression	12
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	19
Diabetes	34
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Timothy J. Grass, DO treated as a family medicine practitioner in Franklin, WI during 2015 were preventive care and vaccines.

Volume of procedures performed by Dr. Timothy J. Grass, DO for Medicare patients.

doctor visit	307
preventive care	86
vaccines	86

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy J. Grass, DO.

**Gender**
Male	162
Female	112

**Age**
From 65 to 74	122
From 75 to 84	74
85 and over	26
Less than 65	52

Conditions of Medicare patients treated by Dr. Timothy J. Grass, DO in 2015

Hypertension	69
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	34
Depression	16
Chronic Kidney Disease	21
Asthma	9
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	35
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Timothy J. Grass, DO treated as a family medicine practitioner in Franklin, WI during 2016 were preventive care and vaccines.

Volume of procedures performed by Dr. Timothy J. Grass, DO for Medicare patients.

doctor visit	292
preventive care	60
vaccines	60

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy J. Grass, DO.

**Gender**
Male	78
Female	57

**Age**
From 65 to 74	59
From 75 to 84	37
85 and over	12
Less than 65	27

Conditions of Medicare patients treated by Dr. Timothy J. Grass, DO in 2016

Hypertension	72
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	36
Depression	17
Chronic Kidney Disease	33
Asthma	13
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Timothy J. Grass, DO treated as a family medicine practitioner in Franklin, WI during 2017 were preventive care and vaccines.

Volume of procedures performed by Dr. Timothy J. Grass, DO for Medicare patients.

doctor visit	326
preventive care	45
vaccines	45

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy J. Grass, DO.

**Gender**
Male	79
Female	62

**Age**
From 65 to 74	68
From 75 to 84	36
85 and over	16
Less than 65	21

Conditions of Medicare patients treated by Dr. Timothy J. Grass, DO in 2017

Hypertension	72
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	35
Depression	17
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	32
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Timothy J. Grass, DO treated as a family medicine practitioner in Franklin, WI during 2018 were preventive care and vaccines.

Volume of procedures performed by Dr. Timothy J. Grass, DO for Medicare patients.

doctor visit	320
preventive care	28
vaccines	28

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy J. Grass, DO.

**Gender**
Male	86
Female	54

**Age**
From 65 to 74	65
From 75 to 84	38
85 and over	13
Less than 65	24

Conditions of Medicare patients treated by Dr. Timothy J. Grass, DO in 2018

Hypertension	71
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	39
Asthma	0
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Timothy J. Grass, DO treated as a family medicine practitioner in Franklin, WI during 2019 were preventive care and vaccines.

Volume of procedures performed by Dr. Timothy J. Grass, DO for Medicare patients.

doctor visit	312
preventive care	39
vaccines	39

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy J. Grass, DO.

**Gender**
Male	89
Female	54

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

**Age**
From 65 to 74	72
From 75 to 84	40
85 and over	13
Less than 65	18

Conditions of Medicare patients treated by Dr. Timothy J. Grass, DO in 2019

Hypertension	73
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	31
Depression	18
Chronic Kidney Disease	42
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	32
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Timothy J. Grass, DO treated as a family medicine practitioner in Franklin, WI during 2020 were preventive care and vaccines.

Volume of procedures performed by Dr. Timothy J. Grass, DO for Medicare patients.

doctor visit	247
preventive care	36
vaccines	36

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy J. Grass, DO.

**Gender**
Male	84
Female	56

**Age**
From 65 to 74	82
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Timothy J. Grass, DO in 2020

Hypertension	69
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	31
Depression	20
Chronic Kidney Disease	37
Asthma	8
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	30
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Timothy J. Grass, DO treated as a family medicine practitioner in Franklin, WI during 2021 were preventive care and vaccines.

Volume of procedures performed by Dr. Timothy J. Grass, DO for Medicare patients.

doctor visit	302
preventive care	53
vaccines	53

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy J. Grass, DO.

**Gender**
Male	105
Female	70

**Ethnicity**
Non-Hispanic White	161
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	11
Less than 65	17

Conditions of Medicare patients treated by Dr. Timothy J. Grass, DO in 2021

Hypertension	65
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	33
Asthma	6
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	29
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Timothy J. Grass, DO treated as a family medicine practitioner in Franklin, WI during 2022 were preventive care and vaccines.

Volume of procedures performed by Dr. Timothy J. Grass, DO for Medicare patients.

doctor visit	323
preventive care	33
vaccines	33

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy J. Grass, DO.

**Gender**
Male	104
Female	68

**Ethnicity**
Non-Hispanic White	156
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	44
85 and over	13
Less than 65	17

Conditions of Medicare patients treated by Dr. Timothy J. Grass, DO in 2022

Hypertension	69
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	27
Depression	17
Chronic Kidney Disease	26
Asthma	10
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Timothy J. Grass, DO treated as a family medicine practitioner in Franklin, WI during 2023 were preventive care and vaccines.

Volume of procedures performed by Dr. Timothy J. Grass, DO for Medicare patients.

doctor visit	275
preventive care	29
vaccines	29

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy J. Grass, DO.

**Gender**
Male	92
Female	56

**Ethnicity**
Non-Hispanic White	137
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	43
85 and over	14
Less than 65	16

Conditions of Medicare patients treated by Dr. Timothy J. Grass, DO in 2023

Hypertension	71
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	32
Depression	16
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	23
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Timothy J. Grass, DO for Medicare patients.

The highest averages for the top procedures that Dr. Timothy J. Grass, DO treated as a family medicine practitioner in Franklin, WI were hospital care, inpatient care, preventive care and vaccines.

blood draw	17
doctor visit	314
hospital care	141
inpatient care	141
preventive care	44
vaccines	44

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Timothy J. Grass, DO.

**Gender**
Male	92
Female	65

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	81
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	42
85 and over	14
Less than 65	22
65 to 74	77

Average of Total of Conditions of Medicare patients treated by Dr. Timothy J. Grass, DO From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Timothy J. Grass, DO treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	64
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	30
Depression	16
Chronic Kidney Disease	29
Asthma	6
Osteoporosis	2
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	29
Atrial Fibrillation	9
Cancer	12
Dementia	1

Education & Training

Dr. Timothy J. Grass, DO graduated from Midwestern University, Chicago College of Osteopathic Medicine. He completed residency at Medical College of Wisconsin Affiliated Hospitals. He is certified by the The American Board of Family Medicine - Family Medicine and has a state license in Wisconsin.

Medical School: Midwestern University, Chicago College of Osteopathic Medicine

Residency: Medical College of Wisconsin Affiliated Hospitals

Board Certification: The American Board of Family Medicine - Family Medicine

Licensed In: Wisconsin

Affiliations & Hospitals

Dr. Timothy J. Grass, DO is associated with these hospitals and organizations:

Ascension

Ratings & Reviews

Dr. Timothy J. Grass, DO has an exceptional overall rating with an average of 4.9 out of 5 stars based on 535 ratings. We collect ratings and reviews of Dr. Timothy J. Grass, DO from all over the web to help you find the right in Franklin, WI.

4.9

Overall Rating

(535 Ratings)

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$397 SYMBICORT $116	BYDUREON WEEKLY $98	FARXIGA $93	BEVESPI AEROSPHERE $38	BYDUREON $22	Other $30
Lilly USA, LLC	$329 HUMALOG $114	TRADJENTA $82	GLYXAMBI $40	TRULICITY $36	BASAGLAR $21	Other $38
GlaxoSmithKline, LLC.	$297 BREO $122	INCRUSE $80	ANORO $23	TRELEGY ELLIPTA $22	ADVAIR $13	Other $36
Janssen Pharmaceuticals, Inc	$219 XARELTO $118	INVOKANA $101
FOREST PHARMACEUTICALS, INC.	$205 VIIBRYD $90	LINZESS $69	DALIRESP $37	BYSTOLIC $4	NAMENDA $2	Other $2
Other	$1,936 LANTUS $81	GARDASIL9 $80	JARDIANCE $70	Tresiba $68	TOUJEO $66	Other $1,570

**Types of Payments**
Food and Beverage	$3,312
Education	$71

Biography

Dr. Timothy Grass works as a family medicine. He is professionally affiliated with Ascension. He graduated from Midwestern University, Chicago College of Osteopathic Medicine. Dr. Grass completed his residency training at a hospital affiliated with Medical College of Wisconsin. He has received a 5.0 out of 5 star rating by his patients.