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Dr. Peter D. Cladis, MD

Accepting New Patients

(Peter D. Cladis, MD)

(100 Ratings)

Specializes in: Family Medicine and General Practice

Northwestern University, Feinberg School of Medicine (1980)

2425 Fargo Boulevard
Geneva, IL 60134

(630) 232-2200

Dr. Peter D. Cladis, MD is a family medicine practitioner in Geneva, IL specializing in family medicine and general practice. He graduated from Northwestern University, Feinberg School of Medicine in 1980 and has 46 years of experience. Dr. Peter D. Cladis, MD is affiliated with Northwestern Medicine, CENTRAL DUPAGE PHYSICIAN GROUP and Northwestern Medicine Regional Medical Group.

Office Locations

2425 Fargo Boulevard
Geneva, IL 60134

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905 N 1st Street Suite A
Elburn, IL 60119

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In The News

“Pearle's maternal grandfather, Dr. Peter Cladis, has been a physician at Delnor Hospital for 40 years.”—"Chicago area hospitals welcome first babies of 2024", CBS News, January 2024

Noteworthy Medicare Patient Procedures Performed by Dr. Peter D. Cladis, MD in 2023

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

Top 5%

By Volume:

immunization

urinalysis

Welcome to Medicare visit

By Affordability:

Welcome to Medicare visit

wellness visit

In 2023, among providers in related specialties within Illinois, Dr. Peter D. Cladis, MD performed more immunization (preventive vaccines), urinalysis, and Welcome to Medicare visit (initial preventive physical exam) procedures for Medicare patients than 95% of them and he also had a list price for Welcome to Medicare visit (initial preventive physical exam), and wellness visit that was lower than the list prices billed to Medicare by 95% 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 10%

By Volume:

flu shot

lab tests

preventive care

By Affordability:

pneumonia shot

In 2023, among providers in related specialties within Illinois, Dr. Peter D. Cladis, MD performed more flu shot, lab tests, and preventive care procedures for Medicare patients than 90% of them and he also had a list price for pneumonia shot 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Peter D. Cladis, MD treated as a family medicine practitioner in Geneva, IL during 2012 were preventive care, inpatient care, hospital care and X-rays.

Volume of procedures performed by Dr. Peter D. Cladis, MD for Medicare patients.

breast exam	25
breast procedures	92
cytology	28
doctor visit	729
gynecologic pathology	28
gynecologic procedures	25
hospital care	258
inpatient care	258
lab tests	113
musculoskeletal imaging	34
preventive care	266
thoracic (chest) imaging	40
vaccines	130
women's imaging	92
X-rays	166

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Peter D. Cladis, MD treated as a family medicine practitioner in Geneva, IL during 2013 were inpatient care, hospital care, preventive care and lab tests.

Volume of procedures performed by Dr. Peter D. Cladis, MD for Medicare patients.

breast exam	15
breast procedures	68
cytology	17
doctor visit	876
gynecologic pathology	17
gynecologic procedures	15
hospital care	275
inpatient care	275
lab tests	152
musculoskeletal imaging	56
preventive care	207
thoracic (chest) imaging	19
vaccines	122
women's imaging	68
X-rays	143

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter D. Cladis, MD.

**Gender**
Male	188
Female	216

**Age**
From 65 to 74	199
From 75 to 84	133
85 and over	60
Less than 65	12

Conditions of Medicare patients treated by Dr. Peter D. Cladis, MD in 2013

Hypertension	64
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	32
Depression	16
Chronic Kidney Disease	16
Asthma	9
Osteoperosis	5
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	23
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Peter D. Cladis, MD treated as a family medicine practitioner in Geneva, IL during 2014 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Dr. Peter D. Cladis, MD for Medicare patients.

breast procedures	59
doctor visit	763
hospital care	217
inpatient care	217
lab tests	172
musculoskeletal imaging	40
preventive care	143
thoracic (chest) imaging	21
vaccines	84
women's imaging	59
X-rays	120

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter D. Cladis, MD.

**Gender**
Male	184
Female	199

**Ethnicity**
Non-Hispanic White	371
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	204
From 75 to 84	109
85 and over	53
Less than 65	17

Conditions of Medicare patients treated by Dr. Peter D. Cladis, MD in 2014

Hypertension	61
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	27
Depression	13
Chronic Kidney Disease	15
Asthma	9
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	21
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Peter D. Cladis, MD treated as a family medicine practitioner in Geneva, IL during 2015 were preventive care, vaccines, inpatient care and hospital care.

Volume of procedures performed by Dr. Peter D. Cladis, MD for Medicare patients.

breast procedures	77
cytology	19
doctor visit	941
ear procedures	17
gynecologic pathology	19
hospital care	278
inpatient care	278
lab tests	201
musculoskeletal imaging	22
preventive care	414
thoracic (chest) imaging	30
vaccines	301
women's imaging	77
X-rays	129

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter D. Cladis, MD.

**Gender**
Male	384
Female	464

**Ethnicity**
Non-Hispanic White	826
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	484
From 75 to 84	234
85 and over	106
Less than 65	24

Conditions of Medicare patients treated by Dr. Peter D. Cladis, MD in 2015

Hypertension	61
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	20
Asthma	11
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Peter D. Cladis, MD treated as a family medicine practitioner in Geneva, IL during 2016 were preventive care, lab tests, vaccines and X-rays.

Volume of procedures performed by Dr. Peter D. Cladis, MD for Medicare patients.

breast procedures	92
doctor visit	967
hospital care	174
inpatient care	174
lab tests	264
musculoskeletal imaging	80
preventive care	386
thoracic (chest) imaging	21
vaccines	260
women's imaging	92
X-rays	193

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter D. Cladis, MD.

**Gender**
Male	213
Female	245

**Ethnicity**
Non-Hispanic White	442
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	137
85 and over	60
Less than 65	16

Conditions of Medicare patients treated by Dr. Peter D. Cladis, MD in 2016

Hypertension	64
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	28
Depression	19
Chronic Kidney Disease	26
Asthma	14
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	20
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Peter D. Cladis, MD treated as a family medicine practitioner in Geneva, IL during 2017 were preventive care, lab tests, vaccines and hospital care.

Volume of procedures performed by Dr. Peter D. Cladis, MD for Medicare patients.

breast procedures	85
doctor visit	1083
ear procedures	22
hospital care	216
inpatient care	216
lab tests	311
musculoskeletal imaging	40
preventive care	344
thoracic (chest) imaging	23
vaccines	228
women's imaging	85
X-rays	148

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter D. Cladis, MD.

**Gender**
Male	245
Female	294

**Ethnicity**
Non-Hispanic White	516
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	296
From 75 to 84	164
85 and over	64
Less than 65	15

Conditions of Medicare patients treated by Dr. Peter D. Cladis, MD in 2017

Hypertension	65
High Cholesterol	33
Stroke	4
Ischemic Heart Disease	26
Depression	15
Chronic Kidney Disease	28
Asthma	7
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Peter D. Cladis, MD treated as a family medicine practitioner in Geneva, IL during 2018 were preventive care, lab tests, vaccines and hospital care.

Volume of procedures performed by Dr. Peter D. Cladis, MD for Medicare patients.

breast procedures	96
doctor visit	1075
ear procedures	20
hospital care	161
inpatient care	148
lab tests	305
manual therapy	87
musculoskeletal imaging	46
outpatient care	13
preventive care	346
rehabilitation	147
vaccines	211
women's imaging	96
X-rays	142

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter D. Cladis, MD.

**Gender**
Male	247
Female	311

**Ethnicity**
Non-Hispanic White	533
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	307
From 75 to 84	176
85 and over	59
Less than 65	16

Conditions of Medicare patients treated by Dr. Peter D. Cladis, MD in 2018

Hypertension	63
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	23
Depression	16
Chronic Kidney Disease	20
Asthma	5
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	20
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Peter D. Cladis, MD treated as a family medicine practitioner in Geneva, IL during 2019 were lab tests, hospital care, inpatient care and preventive care.

Volume of procedures performed by Dr. Peter D. Cladis, MD for Medicare patients.

diabetes management	14
doctor visit	896
hospital care	249
inpatient care	238
lab tests	322
outpatient care	11
preventive care	231
vaccines	189

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter D. Cladis, MD.

**Gender**
Male	259
Female	281

**Ethnicity**
Non-Hispanic White	511
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	296
From 75 to 84	163
85 and over	70
Less than 65	11

Conditions of Medicare patients treated by Dr. Peter D. Cladis, MD in 2019

Hypertension	64
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	15
Asthma	5
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Peter D. Cladis, MD treated as a family medicine practitioner in Geneva, IL during 2020 were lab tests, preventive care, hospital care and vaccines.

Volume of procedures performed by Dr. Peter D. Cladis, MD for Medicare patients.

cardiac procedures	12
diabetes management	34
doctor visit	660
hospital care	199
inpatient care	176
lab tests	308
outpatient care	23
preventive care	250
vaccines	178

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter D. Cladis, MD.

**Gender**
Male	245
Female	254

**Ethnicity**
Non-Hispanic White	472
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	274
From 75 to 84	156
85 and over	56
Less than 65	13

Conditions of Medicare patients treated by Dr. Peter D. Cladis, MD in 2020

Hypertension	62
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	23
Depression	16
Chronic Kidney Disease	15
Asthma	7
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	21
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Peter D. Cladis, MD treated as a family medicine practitioner in Geneva, IL during 2021 were lab tests, preventive care, hospital care and inpatient care.

Volume of procedures performed by Dr. Peter D. Cladis, MD for Medicare patients.

cardiac procedures	15
diabetes management	56
doctor visit	814
hospital care	195
inpatient care	195
lab tests	389
preventive care	292
vaccines	189

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter D. Cladis, MD.

**Gender**
Male	261
Female	271

**Ethnicity**
Non-Hispanic White	502
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	294
From 75 to 84	170
85 and over	51
Less than 65	17

Conditions of Medicare patients treated by Dr. Peter D. Cladis, MD in 2021

Hypertension	62
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	24
Depression	15
Chronic Kidney Disease	17
Asthma	6
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	22
Dementia	5
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Peter D. Cladis, MD treated as a family medicine practitioner in Geneva, IL during 2022 were lab tests, hospital care, inpatient care and preventive care.

Volume of procedures performed by Dr. Peter D. Cladis, MD for Medicare patients.

cardiac procedures	21
diabetes management	55
doctor visit	841
hospital care	243
inpatient care	243
lab tests	404
preventive care	240
vaccines	134

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter D. Cladis, MD.

**Gender**
Male	261
Female	276

**Ethnicity**
Non-Hispanic White	504
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	288
From 75 to 84	182
85 and over	54
Less than 65	13

Conditions of Medicare patients treated by Dr. Peter D. Cladis, MD in 2022

Hypertension	65
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	21
Depression	14
Chronic Kidney Disease	14
Asthma	8
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	20
Dementia	5
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Peter D. Cladis, MD for Medicare patients.

The highest averages for the top procedures that Dr. Peter D. Cladis, MD treated as a family medicine practitioner in Geneva, IL were preventive care, lab tests, hospital care and inpatient care.

breast exam	20
breast procedures	81
cardiac procedures	16
cytology	21
diabetes management	39
doctor visit	876
ear procedures	19
gynecologic pathology	21
gynecologic procedures	20
hospital care	224
inpatient care	219
lab tests	267
manual therapy	87
musculoskeletal imaging	45
outpatient care	15
preventive care	283
rehabilitation	147
thoracic (chest) imaging	25
vaccines	184
women's imaging	81
X-rays	148

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Peter D. Cladis, MD.

**Gender**
Male	226
Female	255

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	425
Native American / Alaskan Native	0
Hispanic	0
Other	1

**Age**
75 to 84	147
85 and over	57
Less than 65	14
65 to 74	262

Average of Total of Conditions of Medicare patients treated by Dr. Peter D. Cladis, MD From 2012 - 2022

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

Hypertension	57
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	23
Depression	14
Chronic Kidney Disease	16
Asthma	7
Osteoporosis	6
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	19
Atrial Fibrillation	11
Dementia	7
Cancer	9

Education & Training

Dr. Peter D. Cladis, MD graduated from Northwestern University, Feinberg School of Medicine in 1980. He completed residency at Cedar Rapids Family Medicine Residency. He is certified by the American Board of Family Medicine - Family Medicine (Certified) and has a state license in Illinois.

Medical School: Northwestern University, Feinberg School of Medicine (1980)

Residency: Cedar Rapids Family Medicine Residency (1983)

Board Certification: American Board of Family Medicine - Family Medicine (Certified)

Licensed In: Illinois

Affiliations & Hospitals

Dr. Peter D. Cladis, MD is associated with these hospitals and organizations:

Northwestern Medicine

CENTRAL DUPAGE PHYSICIAN GROUP

Northwestern Medicine Regional Medical Group

Ratings & Reviews

Dr. Peter D. Cladis, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 100 ratings. We collect ratings and reviews of Dr. Peter D. Cladis, MD from all over the web to help you find the right in Geneva, IL.

Overall Rating

(100 Ratings)

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$237 CRESTOR $101	SYMBICORT $93	ONGLYZA $26	BEVESPI AEROSPHERE $18
Pfizer Inc.	$126 ELIQUIS $68	LYRICA $58
McKesson Medical-Surgical, Inc.	$62 $62
Boehringer Ingelheim Pharmaceuticals, Inc.	$55 Spiriva $25	Pradaxa $16	JARDIANCE $14
Astellas Pharma US Inc	$54 Vesicare $34	Myrbetriq $20
Other	$218 Welchol $27	Vascepa $26	Victoza $25	NEXPLANON $20	SDG-IDD-Allergy $18	Other $101

**Types of Payments**
Food and Beverage	$707
Education	$44

Biography

Dr. Peter Cladis' medical specialty is general practice and family medicine. He is conversant in Greek. Dr. Cladis is professionally affiliated with Delnor Hospital. He attended Northwestern University, Feinberg School of Medicine and subsequently trained at Cedar Rapids Family Medicine Residency for residency. He is rated 5.0 stars (out of 5) by his patients. He welcomes new patients at his office inGeneva, IL as reported by Yext.