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Home > IL Providers > Family Physicians & Family Medicine Specialists

Dr. Winston D. Rajendram, MD

(100 Ratings)

Specializes in: Family Medicine

Saba University School of Medicine (2004)

Professional interests include: hypertension (high blood pressure), acute care, diabetes, and more.

1850 Gateway Drive Suite 103
Sycamore, IL 60178

(815) 758-8671

Dr. Winston D. Rajendram, MD is a family medicine practitioner in Sycamore, IL specializing in family medicine. He graduated from Saba University School of Medicine in 2004 and has 22 years of experience. Dr. Winston D. Rajendram, MD is affiliated with Northwestern Medicine.

Office Locations

Northwestern Medicine

1850 Gateway Drive Suite 103
Sycamore, IL 60178

(815) 758-8671

(815) 756-4892

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In The News

“"That's actually not an old wives' tale," Dr. Winston Rajendram, a family medicine physician at Northwestern Medicine, in the Chicago suburbs, told USA TODAY.”—"Can cold weather make you sick? Your grandma wasn't entirely wrong.", USA Today, December 2024

Noteworthy Medicare Patient Procedures Performed by Dr. Winston D. Rajendram, MD in 2023

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

Top 10%

By Volume:

flu shot

In 2023, Dr. Winston D. Rajendram, MD performed more flu shot procedures for Medicare patients than 90% of providers in related specialties within Illinois.

Top 25%

By Volume:

preventive care

By Affordability:

Welcome to Medicare visit

wellness visit

In 2012, among providers in related specialties within Illinois, Dr. Winston D. Rajendram, MD performed more preventive care procedures for Medicare patients than 75% of them and he also had a list price for flu shot, flu vaccine, immunization (preventive vaccines), vaccines, Welcome to Medicare visit (initial preventive physical exam), and wellness visit 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

Volume of procedures performed by Dr. Winston D. Rajendram, MD for Medicare patients.

doctor visit	180

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Winston D. Rajendram, MD for Medicare patients.

doctor visit	145

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston D. Rajendram, MD.

**Gender**
Male	55
Female	93

**Ethnicity**
Non-Hispanic White	137
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	79
From 75 to 84	38
85 and over	13
Less than 65	18

Conditions of Medicare patients treated by Dr. Winston D. Rajendram, MD in 2013

Hypertension	68
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	20
Diabetes	20
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Winston D. Rajendram, MD for Medicare patients.

doctor visit	43

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston D. Rajendram, MD.

**Gender**
Male	22
Female	31

**Age**
From 65 to 74	30
From 75 to 84	11
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Winston D. Rajendram, MD in 2014

Hypertension	47
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	25
Depression	30
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Winston D. Rajendram, MD for Medicare patients.

doctor visit	17

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston D. Rajendram, MD.

**Age**
From 65 to 74	26
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Winston D. Rajendram, MD in 2015

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	46
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Winston D. Rajendram, MD for Medicare patients.

doctor visit	17

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston D. Rajendram, MD.

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

Conditions of Medicare patients treated by Dr. Winston D. Rajendram, MD in 2016

Hypertension	75
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Winston D. Rajendram, MD for Medicare patients.

doctor visit	38

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston D. Rajendram, MD.

**Gender**
Male	17
Female	24

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

**Age**
From 65 to 74	21
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Winston D. Rajendram, MD in 2018

Hypertension	54
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	29
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Winston D. Rajendram, MD treated as a family medicine practitioner in Sycamore, IL during 2019 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Winston D. Rajendram, MD for Medicare patients.

blood draw	48
diabetes management	22
doctor visit	160
lab tests	94
preventive care	39

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston D. Rajendram, MD.

**Gender**
Male	42
Female	70

**Ethnicity**
Non-Hispanic White	72
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	33
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Winston D. Rajendram, MD in 2019

Hypertension	54
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	27
Depression	20
Chronic Kidney Disease	33
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	32
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Winston D. Rajendram, MD treated as a family medicine practitioner in Sycamore, IL during 2020 were lab tests, preventive care, blood draw and diabetes management.

Volume of procedures performed by Dr. Winston D. Rajendram, MD for Medicare patients.

blood draw	29
diabetes management	16
doctor visit	107
lab tests	46
preventive care	31

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston D. Rajendram, MD.

**Gender**
Male	28
Female	47

**Ethnicity**
Non-Hispanic White	53
Black	0
Hispanic	0
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	43
From 75 to 84	13
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Winston D. Rajendram, MD in 2020

Hypertension	47
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	23
Depression	20
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	23
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Winston D. Rajendram, MD treated as a family medicine practitioner in Sycamore, IL during 2021 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Winston D. Rajendram, MD for Medicare patients.

diabetes management	18
doctor visit	231
lab tests	18
preventive care	72
vaccines	54

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston D. Rajendram, MD.

**Gender**
Male	78
Female	130

**Ethnicity**
Non-Hispanic White	186
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	54
85 and over	18
Less than 65	36

Conditions of Medicare patients treated by Dr. Winston D. Rajendram, MD in 2021

Hypertension	73
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	23
Depression	23
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Winston D. Rajendram, MD treated as a family medicine practitioner in Sycamore, IL during 2022 were preventive care, vaccines and blood draw.

Volume of procedures performed by Dr. Winston D. Rajendram, MD for Medicare patients.

blood draw	100
doctor visit	797
preventive care	177
vaccines	163

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Winston D. Rajendram, MD.

**Gender**
Male	134
Female	208

**Ethnicity**
Non-Hispanic White	302
Black	17
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	82
85 and over	45
Less than 65	53

Conditions of Medicare patients treated by Dr. Winston D. Rajendram, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	3
Ischemic Heart Disease	20
Depression	20
Chronic Kidney Disease	26
Asthma	11
Osteoperosis	18
Atrial Fibrilation	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	4
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Winston D. Rajendram, MD for Medicare patients.

The highest averages for the top procedures that Dr. Winston D. Rajendram, MD treated as a family medicine practitioner in Sycamore, IL were vaccines, preventive care, blood draw and lab tests.

blood draw	59
diabetes management	18
doctor visit	173
lab tests	52
preventive care	79
vaccines	108

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Winston D. Rajendram, MD.

**Gender**
Female	60
Male	37

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	1
Non-Hispanic White	80
Native American / Alaskan Native	0
Hispanic	1
Other	1

**Age**
85 and over	7
75 to 84	23
Less than 65	10
65 to 74	51

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

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

Hypertension	56
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	14
Depression	13
Chronic Kidney Disease	16
Asthma	1
Osteoporosis	3
Heart Failure	5
Chronic Obstructive Pulmonary Disease	6
Diabetes	21
Atrial Fibrillation	3
Dementia	1
Cancer	5

Education & Training

Dr. Winston D. Rajendram, MD graduated from Saba University School of Medicine in 2004. He completed residency at MacNeal Hospital. He is certified by the American Board of Family Medicine - Family Medicine (Certified) and has a state license in Illinois.

Medical School: Saba University School of Medicine (2004)

Residency: MacNeal Hospital (2008)

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

Licensed In: Illinois

Affiliations & Hospitals

Dr. Winston D. Rajendram, MD is associated with these hospitals and organizations:

Northwestern Medicine

Ratings & Reviews

Dr. Winston D. Rajendram, 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. Winston D. Rajendram, MD from all over the web to help you find the right in Sycamore, IL.

Overall Rating

(100 Ratings)

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General Payments

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

**Payments by Company**
Abbott Laboratories	$164 PROCLAIM $164
Novo Nordisk Inc	$46 Ozempic $46
Lilly USA, LLC	$13 EMGALITY $13

**Types of Payments**
Food and Beverage	$222

Ownership and Interest Payments

This table describes ownership payments received by Dr. Winston D. Rajendram, MD.

CCPA Purchasing Partners, L.P.	2015	$16.06	Physician Covered Recipient	Limited Partnership Interest
CCPA Purchasing Partners, L.P.	2016	$16.06	Physician Covered Recipient	Limited Partnership Interest
CCPA Purchasing Partners, L.P.	2014	$16.06	Physician Covered Recipient	Limited Partnership Interest

Biography

Dr. Winston Rajendram sees patients in Sycamore, IL. His medical specialty is family medicine. He obtained his medical school training at Saba University School of Medicine and performed his residency at MacNeal Hospital. His areas of expertise include the following: diabetes, hypertension (high blood pressure), and acute care. Dr. Rajendram has a 5.0 out of 5 star average patient rating. He speaks French. Dr. Rajendram is professionally affiliated with Northwestern Medicine.