Procedure Volume Patient Data Patient Conditions Reviews Back to Top

Home > WI Providers

Dr. Rick D. Gillis, MD

Accepting New Patients

(328 Ratings)

Specializes in: General Internal Medicine

Medical College of Wisconsin (1988)

Professional interests include: hypertension (high blood pressure), kidney problems, diabetes

840 N 87th Street
Milwaukee, WI 53226

(414) 805-5550

Dr. Rick D. Gillis, MD is a general internist in Milwaukee, WI specializing in general internal medicine. He graduated from Medical College of Wisconsin in 1988 and has 38 years of experience. Dr. Rick D. Gillis, MD is affiliated with Froedtert & the Medical College of Wisconsin Regional Health Network.

Office Locations

840 N 87th Street
Milwaukee, WI 53226

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Rick D. Gillis, MD in 2024

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

Top 5%

By Affordability:

In 2024, Dr. Rick D. Gillis, MD 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 95% 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.

Top 10%

By Affordability:

preventive care

In 2024, Dr. Rick D. Gillis, MD had a list price for preventive care that was lower than the list prices billed to Medicare by 90% 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.

Top 25%

By Volume:

flu shot

In 2012, Dr. Rick D. Gillis, MD performed more flu shot procedures for Medicare patients than 75% of providers in related specialties within Wisconsin.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Rick D. Gillis, MD treated as a general internist in Milwaukee, WI during 2012 were preventive care and vaccines.

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

doctor visit	787
preventive care	168
vaccines	168

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Rick D. Gillis, MD treated as a general internist in Milwaukee, WI during 2013 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

doctor visit	1190
lab tests	11
preventive care	144
vaccines	144

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Rick D. Gillis, MD.

**Gender**
Male	263
Female	210

**Ethnicity**
Non-Hispanic White	372
Black	83
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	148
85 and over	57
Less than 65	80

Conditions of Medicare patients treated by Dr. Rick D. Gillis, MD in 2013

Hypertension	60
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	23
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Rick D. Gillis, MD treated as a general internist in Milwaukee, WI during 2014 were preventive care and vaccines.

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

doctor visit	1308
preventive care	220
vaccines	220

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Rick D. Gillis, MD.

**Gender**
Male	279
Female	209

**Ethnicity**
Non-Hispanic White	383
Black	86
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	185
From 75 to 84	150
85 and over	68
Less than 65	85

Conditions of Medicare patients treated by Dr. Rick D. Gillis, MD in 2014

Hypertension	62
High Cholesterol	41
Stroke	4
Ischemic Heart Disease	28
Depression	18
Chronic Kidney Disease	21
Asthma	8
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	19
Chronic Obstructive Pulmonary Disease	7
Diabetes	28
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Rick D. Gillis, MD treated as a general internist in Milwaukee, WI during 2015 were preventive care and vaccines.

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

doctor visit	1092
preventive care	319
vaccines	319

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Rick D. Gillis, MD.

**Gender**
Male	500
Female	362

**Ethnicity**
Non-Hispanic White	656
Black	170
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	334
From 75 to 84	258
85 and over	104
Less than 65	166

Conditions of Medicare patients treated by Dr. Rick D. Gillis, MD in 2015

Hypertension	59
High Cholesterol	37
Stroke	4
Ischemic Heart Disease	29
Depression	16
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	5
Atrial Fibrilation	10
Heart Failure	19
Chronic Obstructive Pulmonary Disease	8
Diabetes	27
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Rick D. Gillis, MD treated as a general internist in Milwaukee, WI during 2016 were preventive care and vaccines.

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

doctor visit	1080
preventive care	184
vaccines	184

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Rick D. Gillis, MD.

**Gender**
Male	262
Female	174

**Ethnicity**
Non-Hispanic White	341
Black	77
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	129
85 and over	64
Less than 65	78

Conditions of Medicare patients treated by Dr. Rick D. Gillis, MD in 2016

Hypertension	61
High Cholesterol	42
Stroke	4
Ischemic Heart Disease	28
Depression	18
Chronic Kidney Disease	28
Asthma	15
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Rick D. Gillis, MD treated as a general internist in Milwaukee, WI during 2017 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

doctor visit	1019
lab tests	15
preventive care	152
vaccines	152

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Rick D. Gillis, MD.

**Gender**
Male	274
Female	171

**Ethnicity**
Non-Hispanic White	362
Black	64
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	167
From 75 to 84	141
85 and over	64
Less than 65	73

Conditions of Medicare patients treated by Dr. Rick D. Gillis, MD in 2017

Hypertension	58
High Cholesterol	40
Stroke	3
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	8
Diabetes	25
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Rick D. Gillis, MD treated as a general internist in Milwaukee, WI during 2018 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

doctor visit	876
lab tests	14
preventive care	179
vaccines	179

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Rick D. Gillis, MD.

**Gender**
Male	243
Female	145

**Ethnicity**
Non-Hispanic White	319
Black	54
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	134
85 and over	55
Less than 65	56

Conditions of Medicare patients treated by Dr. Rick D. Gillis, MD in 2018

Hypertension	59
High Cholesterol	42
Stroke	3
Ischemic Heart Disease	30
Depression	16
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Rick D. Gillis, MD treated as a general internist in Milwaukee, WI during 2019 were preventive care and vaccines.

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

doctor visit	803
preventive care	148
vaccines	148

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Rick D. Gillis, MD.

**Gender**
Male	225
Female	133

**Ethnicity**
Non-Hispanic White	293
Black	44
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	140
85 and over	54
Less than 65	40

Conditions of Medicare patients treated by Dr. Rick D. Gillis, MD in 2019

Hypertension	60
High Cholesterol	44
Stroke	4
Ischemic Heart Disease	30
Depression	16
Chronic Kidney Disease	32
Asthma	6
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	10
Diabetes	24
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Rick D. Gillis, MD treated as a general internist in Milwaukee, WI during 2020 were preventive care and vaccines.

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

doctor visit	627
preventive care	133
vaccines	133

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Rick D. Gillis, MD.

**Gender**
Male	223
Female	126

**Ethnicity**
Non-Hispanic White	275
Black	50
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	127
85 and over	58
Less than 65	38

Conditions of Medicare patients treated by Dr. Rick D. Gillis, MD in 2020

Hypertension	60
High Cholesterol	44
Stroke	4
Ischemic Heart Disease	30
Depression	16
Chronic Kidney Disease	32
Asthma	6
Osteoperosis	5
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	8
Diabetes	23
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Rick D. Gillis, MD treated as a general internist in Milwaukee, WI during 2021 were preventive care and vaccines.

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

doctor visit	649
preventive care	116
vaccines	116

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Rick D. Gillis, MD.

**Gender**
Male	280
Female	170

**Ethnicity**
Non-Hispanic White	344
Black	70
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	174
From 75 to 84	165
85 and over	60
Less than 65	51

Conditions of Medicare patients treated by Dr. Rick D. Gillis, MD in 2021

Hypertension	44
High Cholesterol	31
Stroke	4
Ischemic Heart Disease	25
Depression	12
Chronic Kidney Disease	23
Asthma	4
Osteoperosis	4
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	7
Diabetes	19
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

doctor visit	685

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Rick D. Gillis, MD.

**Gender**
Male	215
Female	103

**Ethnicity**
Non-Hispanic White	258
Black	30
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	127
85 and over	49
Less than 65	22

Conditions of Medicare patients treated by Dr. Rick D. Gillis, MD in 2022

Hypertension	66
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	20
Asthma	8
Osteoperosis	7
Atrial Fibrilation	21
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	22
Dementia	7
Cancer	19

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

doctor visit	597

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Rick D. Gillis, MD.

**Gender**
Male	204
Female	91

**Ethnicity**
Non-Hispanic White	245
Black	0
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	117
85 and over	47
Less than 65	20

Conditions of Medicare patients treated by Dr. Rick D. Gillis, MD in 2023

Hypertension	65
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	27
Depression	16
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	9
Atrial Fibrilation	22
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	7
Cancer	18

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Rick D. Gillis, MD treated as a general internist in Milwaukee, WI during 2024 were preventive care and vaccines.

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

doctor visit	547
preventive care	53
vaccines	53

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Rick D. Gillis, MD.

**Gender**
Male	209
Female	83

**Ethnicity**
Non-Hispanic White	239
Black	25
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	116
From 75 to 84	108
85 and over	50
Less than 65	18

Conditions of Medicare patients treated by Dr. Rick D. Gillis, MD in 2024

Hypertension	70
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	28
Depression	15
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	11
Atrial Fibrilation	22
Heart Failure	19
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	6
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Rick D. Gillis, MD for Medicare patients.

The highest averages for the top procedures that Dr. Rick D. Gillis, MD treated as a general internist in Milwaukee, WI were preventive care, vaccines and lab tests.

doctor visit	866
lab tests	13
preventive care	165
vaccines	165

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Rick D. Gillis, MD.

**Gender**
Female	152
Male	244

**Ethnicity**
Black / African American	57
Asian / Pacific Islander	0
Non-Hispanic White	314
Native American / Alaskan Native	0
Hispanic	0
Other	3

**Age**
85 and over	56
75 to 84	134
Less than 65	55
65 to 74	150

Average of Total of Conditions of Medicare patients treated by Dr. Rick D. Gillis, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Rick D. Gillis, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	55
High Cholesterol	42
Stroke	4
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	23
Asthma	7
Osteoporosis	6
Heart Failure	16
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Atrial Fibrillation	12
Cancer	13
Dementia	7

Education & Training

Dr. Rick D. Gillis, MD graduated from Medical College of Wisconsin in 1988. He completed residency at Medical College of Wisconsin Affiliated Hospitals. He is certified by the Board Certification: Internal Medicine and has a state license in Wisconsin.

Medical School: Medical College of Wisconsin (1988)

Residency: Medical College of Wisconsin Affiliated Hospitals (1991)

Board Certification: Board Certification: Internal Medicine

Licensed In: Wisconsin

Ratings & Reviews

Dr. Rick D. Gillis, MD has an exceptional overall rating with an average of 4.83 out of 5 stars based on 328 ratings. We collect ratings and reviews of Dr. Rick D. Gillis, MD from all over the web to help you find the right in Milwaukee, WI.

4.83

Overall Rating

(328 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2024-02-06

Patient verified via Press Ganey

This is my initial visit with Dr Gillis, as I am moving to him as my primary care provider. I liked the way he listened and ask questions. I feel like he understands my current situation and recommended the appropriate additional blood tests, in order to better acquaint himself with my medical situation. I feel I am in very competent and caring hands with Dr Gillis.

Overall Rating: 5.0 2024-12-04

Patient verified via Press Ganey

Dr. Gillis is an excellent internist. Thorough, yet efficient. Addresses all of my concerns. Never acts rushed or preoccupied.

Overall Rating: 5.0 2023-12-18

Patient verified via Press Ganey

I was feeling terrible but Dr. Gillis and the nurse were very kind in helping me get the treatment I needed very promptly.

Overall Rating: 5.0 2023-11-09

Patient verified via Press Ganey

Please recognize Dr. Gillis. He's always been a very good doctor to me and I appreciate his care he takes with my health

Overall Rating: 5.0 2023-11-13

Patient verified via Press Ganey

I've been seen by Rick Gillis for several years! He's thorough & personabledifficult to find

Overall Rating: 5.0 2026-08-26

Patient verified via Press Ganey

With all the patients Dr. Gilllis see, He walk into that room and new my history.

Overall Rating: 5.0 2023-09-08

Patient verified via Press Ganey

Dr Gillis is always 100% professional and up to date on everything!

Overall Rating: 5.0 2025-11-06

Patient verified via Press Ganey

I feel that Dr. Gillis is knowledgeable and cares about me.

Overall Rating: 5.0 2026-07-16

Patient verified via Press Ganey

No my review says it all . Thank u .

Overall Rating: 5.0 2024-02-21

Patient verified via Press Ganey

Keep up the good work!

To see all 328 reviews for Dr. Rick D. Gillis, MD, view their full profile.

Biography

Dr Rick Gillis is a graduate of the Medical College of Wisconsin. He is board certified in Internal Medicine, has been in practice at Froedtert and the Medical College of Wisconsin for over 25 years, and has been on the list of Best Doctors for many years. Dr Gillis returned to full-time practice after leading the implementation of the electronic medical record system, patient care portal (MyChart) and other technologies to improve the processes of care over the past 10 years within the Froedtert and Medical College health systems. Dr Gillis has also participated in the education of medical students, interns, residents, and colleagues as well as held administrative roles in various levels of the Medical College practice.