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Dr. John Michael Rinker, MD

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Specializes in: Internal Medicine (Adult Medicine)

University of Illinois College of Medicine (2009)

2500 West Reynolds Street
Pontiac, IL 61764

(815) 844-2001

Dr. John Michael Rinker, MD is an internist in Pontiac, IL specializing in internal medicine (adult medicine). He graduated from University of Illinois College of Medicine in 2009 and has 17 years of experience. Dr. John Michael Rinker, MD is affiliated with OSF Healthcare.

Office Locations

OSF Healthcare

2500 West Reynolds Street
Pontiac, IL 61764

(815) 844-2001

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Noteworthy Medicare Patient Procedures Performed by Dr. John Michael Rinker, MD in 2023

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

Top 5%

By Volume:

flu shot

In 2023, Dr. John Michael Rinker, MD performed more flu shot procedures for Medicare patients than 95% of providers in related specialties within Illinois.

Top 10%

By Affordability:

In 2023, Dr. John Michael Rinker, 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 90% of providers in related specialties within Illinois. 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 Affordability:

blood tests

In 2012, Dr. John Michael Rinker, MD had a list price for blood tests that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Illinois. 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. John Michael Rinker, MD treated as an internist in Pontiac, IL during 2012 were lab tests, preventive care, vaccines and hospital care.

Volume of procedures performed by Dr. John Michael Rinker, MD for Medicare patients.

blood draw	17
doctor visit	223
hospital care	37
inpatient care	37
lab tests	62
preventive care	54
vaccines	54

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Michael Rinker, MD treated as an internist in Pontiac, IL during 2013 were lab tests, preventive care, vaccines and hospital care.

Volume of procedures performed by Dr. John Michael Rinker, MD for Medicare patients.

aspiration	16
blood draw	12
doctor visit	852
hospital care	66
injections	16
inpatient care	66
lab tests	195
preventive care	78
vaccines	78

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Rinker, MD.

**Gender**
Male	194
Female	220

**Ethnicity**
Non-Hispanic White	397
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	159
From 75 to 84	128
85 and over	60
Less than 65	67

Conditions of Medicare patients treated by Dr. John Michael Rinker, MD in 2013

Hypertension	73
High Cholesterol	67
Stroke	13
Ischemic Heart Disease	37
Depression	25
Chronic Kidney Disease	26
Asthma	10
Osteoperosis	9
Atrial Fibrilation	24
Heart Failure	26
Chronic Obstructive Pulmonary Disease	24
Diabetes	29
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Michael Rinker, MD treated as an internist in Pontiac, IL during 2014 were lab tests, hospital care, inpatient care and preventive care.

Volume of procedures performed by Dr. John Michael Rinker, MD for Medicare patients.

aspiration	21
doctor visit	1114
hospital care	104
injections	21
inpatient care	77
lab tests	278
outpatient care	27
preventive care	73
vaccines	73

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Rinker, MD.

**Gender**
Male	227
Female	273

**Ethnicity**
Non-Hispanic White	481
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	195
From 75 to 84	143
85 and over	84
Less than 65	78

Conditions of Medicare patients treated by Dr. John Michael Rinker, MD in 2014

Hypertension	71
High Cholesterol	68
Stroke	13
Ischemic Heart Disease	34
Depression	28
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	6
Atrial Fibrilation	24
Heart Failure	23
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Michael Rinker, MD treated as an internist in Pontiac, IL during 2015 were lab tests, preventive care, vaccines and hospital care.

Volume of procedures performed by Dr. John Michael Rinker, MD for Medicare patients.

doctor visit	898
hospital care	92
inpatient care	92
lab tests	106
nursing home care	38
preventive care	92
vaccines	92

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Rinker, MD.

**Gender**
Male	432
Female	454

**Ethnicity**
Non-Hispanic White	844
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	360
From 75 to 84	260
85 and over	124
Less than 65	142

Conditions of Medicare patients treated by Dr. John Michael Rinker, MD in 2015

Hypertension	67
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	32
Depression	29
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	21
Diabetes	28
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Michael Rinker, MD treated as an internist in Pontiac, IL during 2016 were preventive care, vaccines, lab tests and nursing home care.

Volume of procedures performed by Dr. John Michael Rinker, MD for Medicare patients.

doctor visit	1224
hospital care	11
inpatient care	11
lab tests	293
nursing home care	51
preventive care	683
vaccines	683

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Rinker, MD.

**Gender**
Male	413
Female	523

**Ethnicity**
Non-Hispanic White	894
Black	0
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	335
From 75 to 84	270
85 and over	212
Less than 65	119

Conditions of Medicare patients treated by Dr. John Michael Rinker, MD in 2016

Hypertension	64
High Cholesterol	57
Stroke	7
Ischemic Heart Disease	30
Depression	21
Chronic Kidney Disease	26
Asthma	12
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	17
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Michael Rinker, MD treated as an internist in Pontiac, IL during 2017 were preventive care, vaccines, lab tests and nursing home care.

Volume of procedures performed by Dr. John Michael Rinker, MD for Medicare patients.

doctor visit	1084
lab tests	102
nursing home care	38
preventive care	644
vaccines	644

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Rinker, MD.

**Gender**
Male	382
Female	488

**Ethnicity**
Non-Hispanic White	834
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	255
85 and over	202
Less than 65	118

Conditions of Medicare patients treated by Dr. John Michael Rinker, MD in 2017

Hypertension	66
High Cholesterol	49
Stroke	7
Ischemic Heart Disease	30
Depression	21
Chronic Kidney Disease	28
Asthma	5
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Michael Rinker, MD treated as an internist in Pontiac, IL during 2018 were preventive care, vaccines, lab tests and nursing home care.

Volume of procedures performed by Dr. John Michael Rinker, MD for Medicare patients.

aspiration	14
doctor visit	1315
injections	14
lab tests	285
nursing home care	38
preventive care	312
vaccines	312

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Rinker, MD.

**Gender**
Male	442
Female	520

**Ethnicity**
Non-Hispanic White	919
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	356
From 75 to 84	269
85 and over	219
Less than 65	118

Conditions of Medicare patients treated by Dr. John Michael Rinker, MD in 2018

Hypertension	66
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	31
Depression	20
Chronic Kidney Disease	29
Asthma	5
Osteoperosis	5
Atrial Fibrilation	15
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	27
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Michael Rinker, MD treated as an internist in Pontiac, IL during 2019 were preventive care, vaccines, lab tests and nursing home care.

Volume of procedures performed by Dr. John Michael Rinker, MD for Medicare patients.

aspiration	17
doctor visit	1030
injections	17
lab tests	216
nursing home care	29
preventive care	295
vaccines	295

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Rinker, MD.

**Gender**
Male	420
Female	486

**Ethnicity**
Non-Hispanic White	864
Black	0
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	335
From 75 to 84	238
85 and over	213
Less than 65	120

Conditions of Medicare patients treated by Dr. John Michael Rinker, MD in 2019

Hypertension	68
High Cholesterol	61
Stroke	7
Ischemic Heart Disease	31
Depression	21
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	17
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Michael Rinker, MD treated as an internist in Pontiac, IL during 2020 were preventive care, vaccines, lab tests and nursing home care.

Volume of procedures performed by Dr. John Michael Rinker, MD for Medicare patients.

aspiration	14
doctor visit	794
injections	14
lab tests	101
nursing home care	27
preventive care	219
vaccines	219

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Rinker, MD.

**Gender**
Male	382
Female	412

**Ethnicity**
Non-Hispanic White	755
Black	0
Hispanic	0
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	349
From 75 to 84	207
85 and over	164
Less than 65	74

Conditions of Medicare patients treated by Dr. John Michael Rinker, MD in 2020

Hypertension	62
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	28
Asthma	5
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	27
Dementia	14
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Michael Rinker, MD treated as an internist in Pontiac, IL during 2021 were preventive care, vaccines, lab tests and nursing home care.

Volume of procedures performed by Dr. John Michael Rinker, MD for Medicare patients.

doctor visit	880
lab tests	127
nursing home care	35
preventive care	293
vaccines	293

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Rinker, MD.

**Gender**
Male	360
Female	385

**Ethnicity**
Non-Hispanic White	707
Black	0
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	314
From 75 to 84	201
85 and over	148
Less than 65	82

Conditions of Medicare patients treated by Dr. John Michael Rinker, MD in 2021

Hypertension	64
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	25
Depression	19
Chronic Kidney Disease	28
Asthma	4
Osteoperosis	5
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Michael Rinker, MD treated as an internist in Pontiac, IL during 2022 were preventive care, vaccines, lab tests and nursing home care.

Volume of procedures performed by Dr. John Michael Rinker, MD for Medicare patients.

aspiration	17
doctor visit	857
injections	17
lab tests	91
nursing home care	43
preventive care	116
vaccines	116

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michael Rinker, MD.

**Gender**
Male	404
Female	460

**Ethnicity**
Non-Hispanic White	809
Black	0
Hispanic	0
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	380
From 75 to 84	259
85 and over	148
Less than 65	77

Conditions of Medicare patients treated by Dr. John Michael Rinker, MD in 2022

Hypertension	70
High Cholesterol	72
Stroke	8
Ischemic Heart Disease	20
Depression	16
Chronic Kidney Disease	22
Asthma	6
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Michael Rinker, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Michael Rinker, MD treated as an internist in Pontiac, IL were preventive care, vaccines, lab tests and hospital care.

aspiration	16
blood draw	14
doctor visit	933
hospital care	62
injections	16
inpatient care	56
lab tests	168
nursing home care	37
outpatient care	27
preventive care	259
vaccines	259

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Michael Rinker, MD.

**Gender**
Male	332
Female	383

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	682
Native American / Alaskan Native	0
Hispanic	0
Other	14

**Age**
75 to 84	202
85 and over	143
Less than 65	90
65 to 74	279

Average of Total of Conditions of Medicare patients treated by Dr. John Michael Rinker, MD From 2012 - 2022

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

Hypertension	61
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	27
Depression	20
Chronic Kidney Disease	25
Asthma	6
Osteoporosis	6
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	24
Atrial Fibrillation	15
Dementia	11
Cancer	10

Education & Training

Dr. John Michael Rinker, MD graduated from University of Illinois College of Medicine in 2009. He completed residency at Indiana University Affiliated Hospitals. He is certified by the American Board of Internal Medicine - Internal Medicine and has a state license in Illinois.

Medical School: University of Illinois College of Medicine (2009)

Residency: Indiana University Affiliated Hospitals (2012)

Board Certification: American Board of Internal Medicine - Internal Medicine (2012)

Licensed In: Illinois

Affiliations & Hospitals

Dr. John Michael Rinker, MD is associated with these hospitals and organizations:

OSF Healthcare

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Biography

Areas of expertise for Dr. John Rinker include internal medicine. He graduated from the University of Illinois College of Medicine and then he performed his residency at a hospital affiliated with Indiana University. He is affiliated with OSF Healthcare. Dr. Rinker's practice in Pontiac, IL is open to new patients as reported by OSF Healthcare.