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Home > IL Providers > Internists & Internal Medicine Doctors

Dr. Erin C. Davis-Delay, MD

Accepting New Patients

(Erin C. Davis-Delay, MD)

(2 Ratings)

Specializes in: Internal Medicine (Adult Medicine) and General Practice

University of Illinois at Chicago College of Medicine (1992)

3707 Doty Road Ste E&F
Woodstock, IL 60098

(815) 338-6600

Dr. Erin C. Davis-Delay, MD is an internist in Woodstock, IL specializing in internal medicine (adult medicine) and general practice. She graduated from University of Illinois at Chicago College of Medicine in 1992 and has 34 years of experience. Dr. Erin C. Davis-Delay, MD is affiliated with Northwestern Medicine and Northwestern Medicine Regional Medical Group.

Office Locations

3707 Doty Road Ste E&F
Woodstock, IL 60098

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Erin C. Davis-Delay, MD in 2023

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

Top 10%

By Affordability:

A1C test

glycated protein test

In 2023, Dr. Erin C. Davis-Delay, MD had a list price for A1C test, and glycated protein test 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 Volume:

preventive care

By Affordability:

Welcome to Medicare visit

wellness visit

In 2012, among providers in related specialties within Illinois, Dr. Erin C. Davis-Delay, MD performed more preventive care procedures for Medicare patients than 75% of them and she also had a list price for diabetes management, diabetes screening, flu shot, flu vaccine, immunization (preventive vaccines), screening test, 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

The top procedures that Dr. Erin C. Davis-Delay, MD treated as an internist in Woodstock, IL during 2012 were blood draw, hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. Erin C. Davis-Delay, MD for Medicare patients.

blood draw	462
breast exam	14
doctor visit	914
gynecologic procedures	14
hospital care	292
inpatient care	278
lab tests	215
outpatient care	14
preventive care	82
vaccines	82

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Erin C. Davis-Delay, MD treated as an internist in Woodstock, IL during 2013 were hospital care, inpatient care, lab tests and blood draw.

Volume of procedures performed by Dr. Erin C. Davis-Delay, MD for Medicare patients.

blood draw	109
doctor visit	1032
hospital care	266
inpatient care	266
lab tests	232
preventive care	56
vaccines	56

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Erin C. Davis-Delay, MD.

**Gender**
Male	224
Female	527

**Ethnicity**
Non-Hispanic White	728
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	335
From 75 to 84	211
85 and over	97
Less than 65	108

Conditions of Medicare patients treated by Dr. Erin C. Davis-Delay, MD in 2013

Hypertension	64
High Cholesterol	42
Stroke	6
Ischemic Heart Disease	41
Depression	22
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	23
Diabetes	30
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Erin C. Davis-Delay, MD treated as an internist in Woodstock, IL during 2014 were lab tests, hospital care, inpatient care and preventive care.

Volume of procedures performed by Dr. Erin C. Davis-Delay, MD for Medicare patients.

blood draw	25
breast exam	17
doctor visit	1216
gynecologic procedures	17
hospital care	113
inpatient care	113
lab tests	200
preventive care	52
vaccines	52

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Erin C. Davis-Delay, MD.

**Gender**
Male	214
Female	545

**Ethnicity**
Non-Hispanic White	741
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	322
From 75 to 84	228
85 and over	114
Less than 65	95

Conditions of Medicare patients treated by Dr. Erin C. Davis-Delay, MD in 2014

Hypertension	60
High Cholesterol	37
Stroke	4
Ischemic Heart Disease	36
Depression	21
Chronic Kidney Disease	17
Asthma	6
Osteoperosis	5
Atrial Fibrilation	15
Heart Failure	23
Chronic Obstructive Pulmonary Disease	18
Diabetes	28
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Erin C. Davis-Delay, MD treated as an internist in Woodstock, IL during 2015 were blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Erin C. Davis-Delay, MD for Medicare patients.

blood draw	163
doctor visit	1014
hospital care	95
inpatient care	95

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Erin C. Davis-Delay, MD.

**Gender**
Male	374
Female	1012

**Ethnicity**
Non-Hispanic White	1348
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	600
From 75 to 84	392
85 and over	226
Less than 65	168

Conditions of Medicare patients treated by Dr. Erin C. Davis-Delay, MD in 2015

Hypertension	59
High Cholesterol	37
Stroke	5
Ischemic Heart Disease	36
Depression	22
Chronic Kidney Disease	18
Asthma	12
Osteoperosis	7
Atrial Fibrilation	15
Heart Failure	23
Chronic Obstructive Pulmonary Disease	19
Diabetes	29
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Erin C. Davis-Delay, MD treated as an internist in Woodstock, IL during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Erin C. Davis-Delay, MD for Medicare patients.

doctor visit	1039
hospital care	89
inpatient care	89

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Erin C. Davis-Delay, MD.

**Gender**
Male	205
Female	515

**Ethnicity**
Non-Hispanic White	698
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	313
From 75 to 84	213
85 and over	115
Less than 65	79

Conditions of Medicare patients treated by Dr. Erin C. Davis-Delay, MD in 2016

Hypertension	60
High Cholesterol	38
Stroke	5
Ischemic Heart Disease	34
Depression	23
Chronic Kidney Disease	25
Asthma	22
Osteoperosis	6
Atrial Fibrilation	15
Heart Failure	25
Chronic Obstructive Pulmonary Disease	21
Diabetes	28
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Erin C. Davis-Delay, MD treated as an internist in Woodstock, IL during 2017 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Erin C. Davis-Delay, MD for Medicare patients.

doctor visit	960
hospital care	81
inpatient care	81
preventive care	58
vaccines	58

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Erin C. Davis-Delay, MD.

**Gender**
Male	202
Female	478

**Ethnicity**
Non-Hispanic White	656
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	285
From 75 to 84	225
85 and over	103
Less than 65	67

Conditions of Medicare patients treated by Dr. Erin C. Davis-Delay, MD in 2017

Hypertension	61
High Cholesterol	36
Stroke	5
Ischemic Heart Disease	36
Depression	23
Chronic Kidney Disease	28
Asthma	4
Osteoperosis	6
Atrial Fibrilation	18
Heart Failure	26
Chronic Obstructive Pulmonary Disease	18
Diabetes	32
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Erin C. Davis-Delay, MD for Medicare patients.

doctor visit	1098

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Erin C. Davis-Delay, MD.

**Gender**
Male	187
Female	457

**Ethnicity**
Non-Hispanic White	621
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	267
From 75 to 84	227
85 and over	90
Less than 65	60

Conditions of Medicare patients treated by Dr. Erin C. Davis-Delay, MD in 2018

Hypertension	61
High Cholesterol	39
Stroke	3
Ischemic Heart Disease	32
Depression	21
Chronic Kidney Disease	26
Asthma	3
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Erin C. Davis-Delay, MD treated as an internist in Woodstock, IL during 2019 were preventive care and vaccines.

Volume of procedures performed by Dr. Erin C. Davis-Delay, MD for Medicare patients.

doctor visit	1087
preventive care	137
vaccines	137

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Erin C. Davis-Delay, MD.

**Gender**
Male	208
Female	531

**Ethnicity**
Non-Hispanic White	711
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	317
From 75 to 84	252
85 and over	109
Less than 65	61

Conditions of Medicare patients treated by Dr. Erin C. Davis-Delay, MD in 2019

Hypertension	62
High Cholesterol	45
Stroke	3
Ischemic Heart Disease	37
Depression	22
Chronic Kidney Disease	29
Asthma	5
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	24
Chronic Obstructive Pulmonary Disease	16
Diabetes	27
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Erin C. Davis-Delay, MD treated as an internist in Woodstock, IL during 2020 were preventive care and vaccines.

Volume of procedures performed by Dr. Erin C. Davis-Delay, MD for Medicare patients.

doctor visit	423
preventive care	91
vaccines	91

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Erin C. Davis-Delay, MD.

**Gender**
Male	123
Female	231

**Ethnicity**
Non-Hispanic White	336
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	113
85 and over	36
Less than 65	44

Conditions of Medicare patients treated by Dr. Erin C. Davis-Delay, MD in 2020

Hypertension	63
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	37
Depression	26
Chronic Kidney Disease	32
Asthma	7
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	17
Diabetes	29
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Erin C. Davis-Delay, MD treated as an internist in Woodstock, IL during 2021 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Erin C. Davis-Delay, MD for Medicare patients.

diabetes management	21
doctor visit	457
lab tests	21
preventive care	104
vaccines	83

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Erin C. Davis-Delay, MD.

**Gender**
Male	122
Female	264

**Ethnicity**
Non-Hispanic White	361
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	187
From 75 to 84	118
85 and over	35
Less than 65	46

Conditions of Medicare patients treated by Dr. Erin C. Davis-Delay, MD in 2021

Hypertension	64
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	38
Depression	25
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	27
Chronic Obstructive Pulmonary Disease	16
Diabetes	28
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Erin C. Davis-Delay, MD treated as an internist in Woodstock, IL during 2022 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Erin C. Davis-Delay, MD for Medicare patients.

diabetes management	60
doctor visit	470
lab tests	60
preventive care	150
vaccines	90

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Erin C. Davis-Delay, MD.

**Gender**
Male	154
Female	287

**Ethnicity**
Non-Hispanic White	422
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	158
85 and over	54
Less than 65	51

Conditions of Medicare patients treated by Dr. Erin C. Davis-Delay, MD in 2022

Hypertension	75
High Cholesterol	66
Stroke	7
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	21
Asthma	9
Osteoperosis	15
Atrial Fibrilation	20
Heart Failure	22
Chronic Obstructive Pulmonary Disease	19
Diabetes	26
Dementia	5
Cancer	18

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Erin C. Davis-Delay, MD treated as an internist in Woodstock, IL during 2023 were preventive care, lab tests, diabetes management and vaccines.

Volume of procedures performed by Dr. Erin C. Davis-Delay, MD for Medicare patients.

diabetes management	69
doctor visit	367
lab tests	69
preventive care	134
vaccines	51

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Erin C. Davis-Delay, MD.

**Gender**
Male	133
Female	255

**Ethnicity**
Non-Hispanic White	364
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	175
From 75 to 84	116
85 and over	48
Less than 65	49

Conditions of Medicare patients treated by Dr. Erin C. Davis-Delay, MD in 2023

Hypertension	73
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	28
Depression	23
Chronic Kidney Disease	20
Asthma	9
Osteoperosis	16
Atrial Fibrilation	19
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Erin C. Davis-Delay, MD for Medicare patients.

The highest averages for the top procedures that Dr. Erin C. Davis-Delay, MD treated as an internist in Woodstock, IL were blood draw, hospital care, inpatient care and lab tests.

blood draw	189
breast exam	15
diabetes management	50
doctor visit	839
gynecologic procedures	15
hospital care	156
inpatient care	153
lab tests	132
outpatient care	14
preventive care	96
vaccines	77

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Erin C. Davis-Delay, MD.

**Gender**
Female	425
Male	178

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	582
Hispanic	0
Native American / Alaskan Native	0
Other	2

**Age**
85 and over	85
75 to 84	187
Less than 65	69
65 to 74	261

Average of Total of Conditions of Medicare patients treated by Dr. Erin C. Davis-Delay, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Erin C. Davis-Delay, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	58
High Cholesterol	42
Stroke	4
Ischemic Heart Disease	32
Depression	21
Chronic Kidney Disease	22
Asthma	7
Osteoporosis	7
Heart Failure	21
Chronic Obstructive Pulmonary Disease	16
Diabetes	26
Atrial Fibrillation	15
Dementia	8
Cancer	10

Education & Training

Dr. Erin C. Davis-Delay, MD graduated from University of Illinois at Chicago College of Medicine in 1992. She completed residency at Advocate Health Care (Advocate Lutheran General Hospital). She is certified by the American Board of Internal Medicine - Internal Medicine (Certified) and has a state license in Illinois.

Medical School: University of Illinois at Chicago College of Medicine (1992)

Residency: Advocate Health Care (Advocate Lutheran General Hospital) (1995)

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

Licensed In: Illinois

Affiliations & Hospitals

Dr. Erin C. Davis-Delay, MD is associated with these hospitals and organizations:

Northwestern Medicine

Northwestern Medicine Regional Medical Group

Ratings & Reviews

Dr. Erin C. Davis-Delay, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. Erin C. Davis-Delay, MD from all over the web to help you find the right in Woodstock, IL.

Overall Rating

(2 Ratings)

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General Payments

These charts describe general payments received by Dr. Erin C. Davis-Delay, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
GlaxoSmithKline, LLC.	$644 BREO $212	ANORO $153	INCRUSE $110	ARNUITY $74	TRELEGY ELLIPTA $39	Other $56
AstraZeneca Pharmaceuticals LP	$469 SYMBICORT $135	BEVESPI AEROSPHERE $99	CRESTOR $62	ONGLYZA $57	FARXIGA $36	Other $81
Novo Nordisk Inc	$440 Victoza $109	Xultophy 100/3.6 $91	Tresiba $89	NovoLog $64	Ozempic $53	Other $34
Astellas Pharma US Inc	$438 Vesicare $293	Myrbetriq $145
Boehringer Ingelheim Pharmaceuticals, Inc.	$355 JARDIANCE $129	SPIRIVA RESPIMAT $76	Pradaxa $55	Spiriva $40	STIOLTO RESPIMAT $19	Other $37
Other	$1,351 XARELTO $107	ELIQUIS $102	PRALUENT $97	TOUJEO $94	LYRICA $92	Other $858

**Types of Payments**
Food and Beverage	$3,691
Education	$7

Biography

Dr. Erin Davis-Delay specializes in general practice and practices in Woodstock, IL. She is affiliated with Northwestern Medicine Regional Medical Group. Dr. Davis-Delay welcomes new patients at her office inWoodstock, IL as reported by Yext. She attended the University of Illinois College of Medicine at Chicago for medical school and subsequently trained at Advocate Lutheran General Hospital for residency.