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Home > WI Providers > Internists & Internal Medicine Doctors

Dr. Ryndon Negrillo Bautista, MD

Accepting New Patients

(12 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

University of the Philippines College of Medicine

3524 E Milwaukee Street
Janesville, WI 53546

(608) 756-7100

Dr. Ryndon Negrillo Bautista, MD is an internist in Janesville, WI specializing in internal medicine (adult medicine). He graduated from University of the Philippines College of Medicine.

Office Locations

3524 E Milwaukee Street
Janesville, WI 53546

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Noteworthy Medicare Patient Procedures Performed by Dr. Ryndon Negrillo Bautista, MD in 2024

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

Top 5%

By Volume:

Welcome to Medicare visit

In 2024, Dr. Ryndon Negrillo Bautista, MD performed more Welcome to Medicare visit (initial preventive physical exam) procedures for Medicare patients than 95% of providers in related specialties within Wisconsin.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI during 2012 were lab tests, blood draw, preventive care and thyroid function tests.

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

blood draw	493
diabetes management	77
doctor visit	925
lab tests	1285
preventive care	278
thoracic (chest) imaging	105
thyroid function tests	117
vaccines	11
X-rays	105

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI during 2013 were X-rays, thoracic (chest) imaging, musculoskeletal imaging and hip imaging.

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

doctor visit	996
ear procedures	11
hip imaging	18
musculoskeletal imaging	42
thoracic (chest) imaging	104
X-rays	146

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD.

**Gender**
Male	218
Female	154

**Ethnicity**
Non-Hispanic White	349
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	182
From 75 to 84	82
85 and over	26
Less than 65	82

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2013

Hypertension	62
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	25
Depression	22
Chronic Kidney Disease	16
Asthma	8
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI during 2014 were X-rays, thoracic (chest) imaging, musculoskeletal imaging and spinal procedures.

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

doctor visit	862
musculoskeletal imaging	16
spinal procedures	11
thoracic (chest) imaging	88
X-rays	115

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD.

**Gender**
Male	184
Female	145

**Ethnicity**
Non-Hispanic White	297
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	76
85 and over	25
Less than 65	91

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2014

Hypertension	56
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	26
Depression	22
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	4
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	28
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI during 2015 were X-rays, thoracic (chest) imaging, lab tests and preventive care.

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

blood draw	19
doctor visit	828
ear procedures	12
lab tests	30
preventive care	28
spinal procedures	12
thoracic (chest) imaging	37
X-rays	49

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD.

**Gender**
Male	426
Female	308

**Ethnicity**
Non-Hispanic White	686
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	310
From 75 to 84	172
85 and over	58
Less than 65	194

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2015

Hypertension	55
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	21
Depression	23
Chronic Kidney Disease	19
Asthma	11
Osteoperosis	4
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI during 2016 were preventive care.

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

doctor visit	867
preventive care	21

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD.

**Gender**
Male	238
Female	175

**Ethnicity**
Non-Hispanic White	384
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	93
85 and over	33
Less than 65	99

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2016

Hypertension	52
High Cholesterol	44
Stroke	3
Ischemic Heart Disease	20
Depression	18
Chronic Kidney Disease	27
Asthma	13
Osteoperosis	5
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	7
Cancer	6

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI during 2017 were preventive care.

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

doctor visit	776
preventive care	11

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD.

**Gender**
Male	244
Female	170

**Ethnicity**
Non-Hispanic White	385
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	105
85 and over	35
Less than 65	97

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2017

Hypertension	48
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	21
Depression	22
Chronic Kidney Disease	31
Asthma	5
Osteoperosis	4
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI during 2018 were blood draw, chronic care and preventive care.

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

blood draw	109
chronic care	52
doctor visit	674
preventive care	20

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD.

**Gender**
Male	226
Female	172

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

**Age**
From 65 to 74	192
From 75 to 84	96
85 and over	29
Less than 65	81

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2018

Hypertension	49
High Cholesterol	36
Stroke	3
Ischemic Heart Disease	21
Depression	21
Chronic Kidney Disease	28
Asthma	4
Osteoperosis	5
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	30
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI during 2019 were chronic care, blood draw, preventive care and lab tests.

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

blood draw	39
chronic care	94
doctor visit	806
lab tests	11
preventive care	29
thyroid function tests	11

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD.

**Gender**
Male	238
Female	177

**Ethnicity**
Non-Hispanic White	377
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	97
85 and over	28
Less than 65	84

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2019

Hypertension	55
High Cholesterol	45
Stroke	3
Ischemic Heart Disease	27
Depression	23
Chronic Kidney Disease	29
Asthma	4
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	30
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI during 2020 were chronic care and preventive care.

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

chronic care	40
doctor visit	678
preventive care	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD.

**Gender**
Male	235
Female	173

**Ethnicity**
Non-Hispanic White	374
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	91
85 and over	30
Less than 65	77

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2020

Hypertension	53
High Cholesterol	38
Stroke	4
Ischemic Heart Disease	24
Depression	21
Chronic Kidney Disease	33
Asthma	5
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI during 2021 were preventive care.

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

doctor visit	682
preventive care	19

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD.

**Gender**
Male	246
Female	155

**Ethnicity**
Non-Hispanic White	367
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	214
From 75 to 84	91
85 and over	31
Less than 65	65

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2021

Hypertension	54
High Cholesterol	41
Stroke	3
Ischemic Heart Disease	23
Depression	21
Chronic Kidney Disease	35
Asthma	5
Osteoperosis	5
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	32
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI during 2022 were preventive care.

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

doctor visit	663
preventive care	20

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD.

**Gender**
Male	247
Female	161

**Ethnicity**
Non-Hispanic White	381
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	95
85 and over	32
Less than 65	62

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2022

Hypertension	68
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	17
Depression	15
Chronic Kidney Disease	17
Asthma	7
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	13
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI during 2023 were preventive care.

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

doctor visit	733
preventive care	31

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD.

**Gender**
Male	281
Female	164

**Ethnicity**
Non-Hispanic White	417
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	100
85 and over	42
Less than 65	55

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2023

Hypertension	67
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	18
Depression	15
Chronic Kidney Disease	16
Asthma	5
Osteoperosis	6
Atrial Fibrilation	17
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	29
Dementia	4
Cancer	13

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI during 2024 were preventive care.

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

doctor visit	737
preventive care	34

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD.

**Gender**
Male	267
Female	150

**Ethnicity**
Non-Hispanic White	398
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	234
From 75 to 84	95
85 and over	35
Less than 65	53

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2024

Hypertension	67
High Cholesterol	66
Stroke	4
Ischemic Heart Disease	17
Depression	15
Chronic Kidney Disease	16
Asthma	5
Osteoperosis	6
Atrial Fibrilation	15
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	29
Dementia	4
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Ryndon Negrillo Bautista, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ryndon Negrillo Bautista, MD treated as an internist in Janesville, WI were lab tests, blood draw, X-rays and thoracic (chest) imaging.

blood draw	165
chronic care	62
diabetes management	77
doctor visit	786
ear procedures	11
hip imaging	18
lab tests	442
musculoskeletal imaging	29
preventive care	46
spinal procedures	11
thoracic (chest) imaging	83
thyroid function tests	64
vaccines	11
X-rays	103

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD.

**Gender**
Female	161
Male	234

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	0
Non-Hispanic White	368
Hispanic	0
Native American / Alaskan Native	0
Other	2

**Age**
85 and over	31
75 to 84	91
Less than 65	80
65 to 74	193

Average of Total of Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD From 2012 - 2024

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

Hypertension	52
High Cholesterol	46
Stroke	3
Ischemic Heart Disease	20
Depression	18
Chronic Kidney Disease	21
Asthma	6
Osteoporosis	4
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Atrial Fibrillation	8
Cancer	8
Dementia	5

Education & Training

Dr. Ryndon Negrillo Bautista, MD graduated from University of the Philippines College of Medicine. He completed residency at Advocate Christ Medical Center, Oak Lawn. He is certified by the American Board of Internal Medicine and has a state license in Illinois.

Medical School: University of the Philippines College of Medicine

Residency: Advocate Christ Medical Center, Oak Lawn

Board Certification: American Board of Internal Medicine

Licensed In: Illinois

Ratings & Reviews

Dr. Ryndon Negrillo Bautista, MD has an exceptional overall rating with an average of 4.92 out of 5 stars based on 12 ratings. We collect ratings and reviews of Dr. Ryndon Negrillo Bautista, MD from all over the web to help you find the right in Janesville, WI.

4.92

Overall Rating

(12 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 5.0 2022-12-27

New Patient setting up primary physician.

Reviews From Around The Web

Overall Rating: 5.0 2026-04-24

Patient verified via Press Ganey

I really appreciated that he called me directly with my test results. My former doctor did not do that.

Overall Rating: 5.0 2025-02-07

Patient verified via Press Ganey

I have been seeing Dr. Bautista for about 8 years and have never had any issues.

Overall Rating: 5.0 2024-09-12

Patient verified via Press Ganey

Already have recommened Dr. Bautista

Overall Rating: 5.0 2025-12-31

Patient verified via Press Ganey

Dr Bautista is very thorough.

Overall Rating: 5.0 2024-12-25

Patient verified via Press Ganey

Very pleased with the Doctor

Overall Rating: 5.0 2025-02-16

Patient verified via Press Ganey

Very good experience.

Overall Rating: 5.0 2026-05-06

Patient verified via Press Ganey

Fantastic doctor

General Payments

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

**Payments by Company**
W. L. Gore & Associates, Inc.	$148 VIABAHN Endoprosthesis $148
Janssen Pharmaceuticals, Inc	$30 INVOKANA $30
GlaxoSmithKline, LLC.	$25 BREO $13	ANORO $11
Boston Scientific Corporation	$17 WATCHMAN Access System $17
FOREST PHARMACEUTICALS, INC.	$11 VIIBRYD $11

**Types of Payments**
Food and Beverage	$202
Education	$30

Biography

At every visit, I focus on my patients' physical, mental and emotional well being. My goal is to always offer excellent care through all stages of their lives.

Select Year:

Dr. Ryndon Negrillo Bautista, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Ryndon Negrillo Bautista, MD in 2024

By Volume:

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. Ryndon Negrillo Bautista, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Ryndon Negrillo Bautista, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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