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Home > IL Providers > Internists & Internal Medicine Doctors

Dr. William J. Will, MD

Accepting New Patients

(Dr. William Will, M.D.)

(625 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

Loyola University Chicago, Stritch School of Medicine (1986)

20201 South Crawford Avenue
Olympia Fields, IL 60461

(708) 747-4000

Dr. William J. Will, MD is an internist in Tinley Park, IL specializing in internal medicine (adult medicine). He graduated from Loyola University Chicago, Stritch School of Medicine in 1986 and has 40 years of experience. Dr. William J. Will, MD is affiliated with Franciscan Health System, Duly Health and Care, DUPAGE MEDICAL GROUP LTD and LEGACY HEALTHCARE SERVICES INC.

Office Locations

17148 S Harlem Avenue
Tinley Park, IL 60477

open_in_new

Franciscan Health System

20201 South Crawford Avenue
Olympia Fields, IL 60461

(708) 747-4000

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Noteworthy Medicare Patient Procedures Performed by Dr. William J. Will, MD in 2023

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

Top 5%

By Volume:

lab tests

In 2023, Dr. William J. Will, MD performed more lab tests procedures for Medicare patients than 95% of providers in related specialties within Illinois.

Top 10%

By Volume:

screening test

By Affordability:

prostate screening

screening PSA test

vitamin B12 test

In 2023, among providers in related specialties within Illinois, Dr. William J. Will, MD performed more screening test procedures for Medicare patients than 90% of them and he also had a list price for prostate screening, screening PSA test, and vitamin B12 test that was lower than the list prices billed to Medicare by 90% of them. 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:

A1C test

blood draw

creatinine urine test

microalbumin urine test

phlebotomy for lab tests

By Affordability:

albumin test

cholesterol screening

creatinine test

creatinine urine test

folic acid tests

iron tests

kidney function tests

lipid profile

metabolic panel

microalbumin test

microalbumin urine test

prostate-specific antigen test

In 2012, among providers in related specialties within Illinois, Dr. William J. Will, MD performed more A1C test, blood draw, creatinine urine test, microalbumin urine test, and phlebotomy for lab tests procedures for Medicare patients than 75% of them and he also had a list price for albumin test, cholesterol screening, creatinine test, creatinine urine test, folic acid tests, iron tests, kidney function tests, lipid profile, metabolic panel, microalbumin test, microalbumin urine test, prostate-specific antigen (PSA) test, serum folate test, total PSA test, uric acid blood test, uric acid test, and vitamin D test that was lower than the list prices billed to Medicare by 75% of them. 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. William J. Will, MD treated as an internist in Tinley Park, IL during 2012 were blood draw, hospital care, inpatient care and X-rays.

Volume of procedures performed by Dr. William J. Will, MD for Medicare patients.

blood draw	355
doctor visit	450
hospital care	253
inpatient care	253
thoracic (chest) imaging	22
X-rays	22

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William J. Will, MD treated as an internist in Tinley Park, IL during 2013 were blood draw, hospital care, inpatient care and X-rays.

Volume of procedures performed by Dr. William J. Will, MD for Medicare patients.

blood draw	431
doctor visit	627
hospital care	223
inpatient care	223
musculoskeletal imaging	19
preventive care	15
thoracic (chest) imaging	23
vaccines	15
vertebral fracture assessment (VFA)	19
X-rays	42

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Will, MD.

**Gender**
Male	109
Female	147

**Ethnicity**
Non-Hispanic White	231
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	106
From 75 to 84	92
85 and over	38
Less than 65	20

Conditions of Medicare patients treated by Dr. William J. Will, MD in 2013

Hypertension	66
High Cholesterol	54
Stroke	8
Ischemic Heart Disease	38
Depression	10
Chronic Kidney Disease	19
Asthma	8
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	24
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William J. Will, MD treated as an internist in Tinley Park, IL during 2014 were blood draw, hospital care, inpatient care and X-rays.

Volume of procedures performed by Dr. William J. Will, MD for Medicare patients.

blood draw	466
doctor visit	685
hospital care	276
inpatient care	276
musculoskeletal imaging	15
preventive care	16
thoracic (chest) imaging	21
vaccines	16
vertebral fracture assessment (VFA)	13
X-rays	36

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Will, MD.

**Gender**
Male	129
Female	142

**Ethnicity**
Non-Hispanic White	242
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	82
85 and over	41
Less than 65	20

Conditions of Medicare patients treated by Dr. William J. Will, MD in 2014

Hypertension	56
High Cholesterol	46
Stroke	7
Ischemic Heart Disease	32
Depression	10
Chronic Kidney Disease	18
Asthma	7
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	20
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William J. Will, MD treated as an internist in Tinley Park, IL during 2015 were blood draw, hospital care, inpatient care and preventive care.

Volume of procedures performed by Dr. William J. Will, MD for Medicare patients.

blood draw	515
doctor visit	750
hospital care	210
inpatient care	210
musculoskeletal imaging	14
preventive care	59
vaccines	59
X-rays	14

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Will, MD.

**Gender**
Male	230
Female	252

**Ethnicity**
Non-Hispanic White	432
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	230
From 75 to 84	168
85 and over	50
Less than 65	34

Conditions of Medicare patients treated by Dr. William J. Will, MD in 2015

Hypertension	61
High Cholesterol	46
Stroke	5
Ischemic Heart Disease	35
Depression	9
Chronic Kidney Disease	17
Asthma	11
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	16
Diabetes	29
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William J. Will, MD treated as an internist in Tinley Park, IL during 2016 were blood draw, hospital care, inpatient care and preventive care.

Volume of procedures performed by Dr. William J. Will, MD for Medicare patients.

blood draw	447
doctor visit	796
hospital care	246
inpatient care	246
musculoskeletal imaging	12
preventive care	30
thoracic (chest) imaging	15
vaccines	30
X-rays	27

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Will, MD.

**Gender**
Male	119
Female	128

**Ethnicity**
Non-Hispanic White	223
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	82
85 and over	29
Less than 65	14

Conditions of Medicare patients treated by Dr. William J. Will, MD in 2016

Hypertension	62
High Cholesterol	45
Stroke	4
Ischemic Heart Disease	30
Depression	6
Chronic Kidney Disease	19
Asthma	16
Osteoperosis	5
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	17
Diabetes	30
Dementia	12
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William J. Will, MD treated as an internist in Tinley Park, IL during 2017 were lab tests, blood draw, preventive care and hospital care.

Volume of procedures performed by Dr. William J. Will, MD for Medicare patients.

blood draw	445
diabetes management	82
doctor visit	859
hospital care	258
inpatient care	258
lab tests	727
musculoskeletal imaging	28
preventive care	289
thyroid function tests	46
vaccines	73
X-rays	28

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Will, MD.

**Gender**
Male	127
Female	140

**Ethnicity**
Non-Hispanic White	237
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	81
85 and over	34
Less than 65	17

Conditions of Medicare patients treated by Dr. William J. Will, MD in 2017

Hypertension	62
High Cholesterol	38
Stroke	6
Ischemic Heart Disease	34
Depression	15
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	4
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	15
Diabetes	30
Dementia	9
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William J. Will, MD treated as an internist in Tinley Park, IL during 2018 were lab tests, blood draw, preventive care and hospital care.

Volume of procedures performed by Dr. William J. Will, MD for Medicare patients.

blood draw	403
diabetes management	149
doctor visit	841
hospital care	183
inpatient care	183
lab tests	1090
musculoskeletal imaging	14
preventive care	387
thyroid function tests	72
vaccines	64
X-rays	14

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Will, MD.

**Gender**
Male	129
Female	124

**Ethnicity**
Non-Hispanic White	226
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	75
85 and over	32
Less than 65	16

Conditions of Medicare patients treated by Dr. William J. Will, MD in 2018

Hypertension	59
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	31
Depression	13
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William J. Will, MD treated as an internist in Tinley Park, IL during 2019 were lab tests, preventive care, blood draw and diabetes management.

Volume of procedures performed by Dr. William J. Will, MD for Medicare patients.

blood draw	381
diabetes management	130
doctor visit	734
hospital care	103
inpatient care	103
lab tests	1098
musculoskeletal imaging	32
preventive care	426
thyroid function tests	100
vaccines	117
X-rays	32

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Will, MD.

**Gender**
Male	129
Female	139

**Ethnicity**
Non-Hispanic White	236
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	79
85 and over	32
Less than 65	16

Conditions of Medicare patients treated by Dr. William J. Will, MD in 2019

Hypertension	59
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	31
Depression	10
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	29
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William J. Will, MD treated as an internist in Tinley Park, IL during 2020 were lab tests, preventive care, blood draw and vaccines.

Volume of procedures performed by Dr. William J. Will, MD for Medicare patients.

blood draw	332
diabetes management	116
doctor visit	538
hospital care	73
inpatient care	73
lab tests	960
musculoskeletal imaging	18
preventive care	413
thyroid function tests	52
vaccines	117
X-rays	18

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Will, MD.

**Gender**
Male	165
Female	145

**Ethnicity**
Non-Hispanic White	273
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	91
85 and over	38
Less than 65	19

Conditions of Medicare patients treated by Dr. William J. Will, MD in 2020

Hypertension	55
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	28
Depression	10
Chronic Kidney Disease	24
Asthma	5
Osteoperosis	4
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William J. Will, MD treated as an internist in Tinley Park, IL during 2021 were lab tests, preventive care, blood draw and diabetes management.

Volume of procedures performed by Dr. William J. Will, MD for Medicare patients.

blood draw	445
diabetes management	153
doctor visit	657
hospital care	20
inpatient care	20
lab tests	1400
musculoskeletal imaging	17
preventive care	469
thyroid function tests	76
vaccines	70
X-rays	17

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Will, MD.

**Gender**
Male	190
Female	164

**Ethnicity**
Non-Hispanic White	310
Black	21
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	180
From 75 to 84	98
85 and over	52
Less than 65	24

Conditions of Medicare patients treated by Dr. William J. Will, MD in 2021

Hypertension	57
High Cholesterol	41
Stroke	4
Ischemic Heart Disease	27
Depression	10
Chronic Kidney Disease	23
Asthma	4
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	9
Diabetes	27
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William J. Will, MD treated as an internist in Tinley Park, IL during 2022 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. William J. Will, MD for Medicare patients.

blood draw	380
diabetes management	147
doctor visit	668
lab tests	1222
preventive care	375
thyroid function tests	57

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Will, MD.

**Gender**
Male	193
Female	158

**Ethnicity**
Non-Hispanic White	312
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	167
From 75 to 84	115
85 and over	50
Less than 65	19

Conditions of Medicare patients treated by Dr. William J. Will, MD in 2022

Hypertension	68
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	23
Depression	11
Chronic Kidney Disease	16
Asthma	6
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	13
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	8
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. William J. Will, MD for Medicare patients.

The highest averages for the top procedures that Dr. William J. Will, MD treated as an internist in Tinley Park, IL were lab tests, blood draw, preventive care and hospital care.

blood draw	418
diabetes management	129
doctor visit	691
hospital care	184
inpatient care	184
lab tests	1082
musculoskeletal imaging	18
preventive care	247
thoracic (chest) imaging	20
thyroid function tests	67
vaccines	62
vertebral fracture assessment (VFA)	16
X-rays	25

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. William J. Will, MD.

**Gender**
Male	138
Female	139

**Ethnicity**
Black / African American	7
Asian / Pacific Islander	0
Non-Hispanic White	247
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	87
85 and over	36
Less than 65	18
65 to 74	136

Average of Total of Conditions of Medicare patients treated by Dr. William J. Will, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. William J. Will, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	55
High Cholesterol	42
Stroke	3
Ischemic Heart Disease	28
Depression	9
Chronic Kidney Disease	18
Asthma	6
Osteoporosis	5
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Atrial Fibrillation	11
Cancer	12
Dementia	9

Education & Training

Dr. William J. Will, MD graduated from Loyola University Chicago, Stritch School of Medicine in 1986. He completed residency at Advocate Christ Medical Center, Oak Lawn. He is certified by the Board Certification: Internal Medicine and has a state license in Illinois.

Medical School: Loyola University Chicago, Stritch School of Medicine (1986)

Residency: Advocate Christ Medical Center, Oak Lawn

Board Certification: Board Certification: Internal Medicine

Licensed In: Illinois

Affiliations & Hospitals

Dr. William J. Will, MD is associated with these hospitals and organizations:

Franciscan Health System

Duly Health and Care

DUPAGE MEDICAL GROUP LTD

LEGACY HEALTHCARE SERVICES INC

Ratings & Reviews

Dr. William J. Will, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 625 ratings. We collect ratings and reviews of Dr. William J. Will, MD from all over the web to help you find the right in Tinley Park, IL.

4.9

Overall Rating

(625 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2025-06-21

Patient verified via Press Ganey

Dr. Will has always been very good at addressing any concerns I have brought to him and gone above and beyond at times. The office staff is very helpful, and everyone does their best to be punctual and assist to their best abilities.

Overall Rating: 5.0 2025-01-17

Patient verified via Press Ganey

Dr. Will is very informative. More so than my previous primary physician. Also I feel the love (he cares). He brings comfort and hope to my situation.

Overall Rating: 5.0 2025-12-29

Patient verified via Press Ganey

I have been a patient of Dr. William Will for many years. He tells it like it is. Not planning to go anywhere else.

Overall Rating: 5.0 2026-02-17

Patient verified via Press Ganey

Dr. Will and nurses are always very caring. The front desk is friendly and professional as well.

Overall Rating: 5.0 2025-07-23

Patient verified via Press Ganey

Dr Will is very professional, answered all my questions, concerned for my well being!!

Overall Rating: 5.0 2025-06-25

Patient verified via Press Ganey

Did not feel rushed, all questions and concerned were addressed. Puts patient at ease.

Overall Rating: 5.0 2026-02-04

Patient verified via Press Ganey

Takes the time to listen to my concerns and ensures proper follow up..

Overall Rating: 5.0 2025-02-04

Patient verified via Press Ganey

Attentive and professional care received. Excellent in all respects

Overall Rating: 5.0 2025-05-25

Patient verified via Press Ganey

Excellent primary care physician and Excellent care!!!!!

Overall Rating: 5.0 2025-04-19

Patient verified via Press Ganey

Dr. Will is very knowledgeable and very helpful.

To see all 625 reviews for Dr. William J. Will, MD, view their full profile.

General Payments

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

**Payments by Company**
Boehringer Ingelheim Pharmaceuticals, Inc.	$1,422 JARDIANCE $592	SPIRIVA RESPIMAT $244	STIOLTO $244	Spiriva $106	Pradaxa $62	Other $173
AstraZeneca Pharmaceuticals LP	$1,011 FARXIGA $340	SYMBICORT $155	CRESTOR $111	BREZTRI $111	BYDUREON WEEKLY $97	Other $198
Pfizer Inc.	$977 ELIQUIS $459	NURTEC ODT $116	PREVNAR - 13 $84	COLOGUARD $63	COLOGUARD DNA CAPTURE REAGENTS $48	Other $206
Novo Nordisk Inc	$766 Ozempic $266	Tresiba $153	RYBELSUS $147	Victoza $136	Xultophy 100/3.6 $27	Other $37
Lilly USA, LLC	$673 BASAGLAR $185	MOUNJARO $164	TRULICITY $126	JARDIANCE $57	GLYXAMBI $28	Other $112
Other	$5,312 Kerendia $404	XIFAXAN $280	VRAYLAR $224	BREO $208	ANORO $186	Other $4,011

**Types of Payments**
Food and Beverage	$10,151
Education	$10

Biography

Dr. William Will's hospital/clinic affiliations include Duly Health and Care, Advocate South Suburban Hospital, and Franciscan Health System. He is a graduate of Loyola University Chicago, Stritch School of Medicine. His medical residency was performed at Advocate Christ Medical Center, Oak Lawn. Patient ratings for Dr. Will average 5.0 stars (out of 5). Dr. Will has an open panel in Tinley Park, IL according to Doctor.com.