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Dr. Kathryn A. Grinnen, DO

(Dr. Kathryn Grinnen, DO)

(1 Rating)

Specializes in: Internal Medicine (Adult Medicine)

Lake Erie College of Osteopathic Medicine (2006)

16295 Willow Creek Road
Lewes, DE 19958

(302) 645-3555

Dr. Kathryn A. Grinnen, DO is an internist in Lewes, DE specializing in internal medicine (adult medicine). She graduated from Lake Erie College of Osteopathic Medicine in 2006 and has 20 years of experience. Dr. Kathryn A. Grinnen, DO is affiliated with CORE CONCIERGE PRIMARY CARE AND WELLNESS LLC.

Office Locations

16295 Willow Creek Road
Lewes, DE 19958

(302) 645-3555

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Noteworthy Medicare Patient Procedures Performed by Dr. Kathryn A. Grinnen, DO in 2023

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

Top 5%

By Affordability:

lab tests

urinalysis

urine tests

In 2023, Dr. Kathryn A. Grinnen, DO had a list price for lab tests, urinalysis, and urine tests that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Delaware. 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. Kathryn A. Grinnen, DO treated as an internist in Lewes, DE during 2012 were preventive care, vaccines and cardiac procedures.

Volume of procedures performed by Dr. Kathryn A. Grinnen, DO for Medicare patients.

cardiac procedures	14
doctor visit	1364
preventive care	102
vaccines	74

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Kathryn A. Grinnen, DO treated as an internist in Lewes, DE during 2013 were preventive care, vaccines and cardiac procedures.

Volume of procedures performed by Dr. Kathryn A. Grinnen, DO for Medicare patients.

cardiac procedures	12
doctor visit	1499
preventive care	138
vaccines	111

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn A. Grinnen, DO.

**Gender**
Male	168
Female	297

**Ethnicity**
Non-Hispanic White	447
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	263
From 75 to 84	105
85 and over	44
Less than 65	53

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2013

Hypertension	74
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	17
Asthma	5
Osteoperosis	8
Atrial Fibrilation	6
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	6
Cancer	6

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Kathryn A. Grinnen, DO treated as an internist in Lewes, DE during 2014 were preventive care, vaccines and cardiac procedures.

Volume of procedures performed by Dr. Kathryn A. Grinnen, DO for Medicare patients.

cardiac procedures	12
doctor visit	1551
preventive care	175
vaccines	146

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn A. Grinnen, DO.

**Gender**
Male	180
Female	323

**Ethnicity**
Non-Hispanic White	483
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	300
From 75 to 84	117
85 and over	39
Less than 65	47

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2014

Hypertension	70
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	34
Depression	22
Chronic Kidney Disease	15
Asthma	5
Osteoperosis	9
Atrial Fibrilation	6
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Kathryn A. Grinnen, DO treated as an internist in Lewes, DE during 2015 were preventive care, vaccines, ear procedures and cardiac procedures.

Volume of procedures performed by Dr. Kathryn A. Grinnen, DO for Medicare patients.

cardiac procedures	11
doctor visit	1637
ear procedures	13
preventive care	287
vaccines	250

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn A. Grinnen, DO.

**Gender**
Male	340
Female	714

**Ethnicity**
Non-Hispanic White	1002
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	630
From 75 to 84	242
85 and over	78
Less than 65	104

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2015

Hypertension	67
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	29
Depression	29
Chronic Kidney Disease	18
Asthma	8
Osteoperosis	11
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	25
Dementia	6
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Kathryn A. Grinnen, DO treated as an internist in Lewes, DE during 2016 were preventive care, vaccines, lab tests and cardiac procedures.

Volume of procedures performed by Dr. Kathryn A. Grinnen, DO for Medicare patients.

cardiac procedures	15
doctor visit	1833
lab tests	29
preventive care	297
vaccines	256

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn A. Grinnen, DO.

**Gender**
Male	188
Female	410

**Ethnicity**
Non-Hispanic White	562
Black	12
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	357
From 75 to 84	141
85 and over	47
Less than 65	53

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2016

Hypertension	65
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	29
Depression	35
Chronic Kidney Disease	22
Asthma	16
Osteoperosis	11
Atrial Fibrilation	6
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	23
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Kathryn A. Grinnen, DO treated as an internist in Lewes, DE during 2017 were preventive care, vaccines, lab tests and ear procedures.

Volume of procedures performed by Dr. Kathryn A. Grinnen, DO for Medicare patients.

doctor visit	1415
ear procedures	11
lab tests	65
preventive care	247
vaccines	231

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn A. Grinnen, DO.

**Gender**
Male	169
Female	362

**Ethnicity**
Non-Hispanic White	499
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	302
From 75 to 84	138
85 and over	44
Less than 65	47

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2017

Hypertension	69
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	33
Depression	34
Chronic Kidney Disease	25
Asthma	7
Osteoperosis	14
Atrial Fibrilation	6
Heart Failure	10
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Kathryn A. Grinnen, DO treated as an internist in Lewes, DE during 2018 were preventive care, vaccines, lab tests and cardiac procedures.

Volume of procedures performed by Dr. Kathryn A. Grinnen, DO for Medicare patients.

breathing treatment	12
cardiac procedures	18
diabetes management	11
doctor visit	1616
ear procedures	15
lab tests	80
preventive care	269
vaccines	215

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn A. Grinnen, DO.

**Gender**
Male	175
Female	386

**Ethnicity**
Non-Hispanic White	530
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	324
From 75 to 84	149
85 and over	45
Less than 65	43

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2018

Hypertension	65
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	35
Depression	32
Chronic Kidney Disease	21
Asthma	5
Osteoperosis	16
Atrial Fibrilation	7
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Kathryn A. Grinnen, DO treated as an internist in Lewes, DE during 2019 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Kathryn A. Grinnen, DO for Medicare patients.

cardiac procedures	18
diabetes management	26
doctor visit	1751
lab tests	106
preventive care	245
vaccines	177

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn A. Grinnen, DO.

**Gender**
Male	175
Female	406

**Ethnicity**
Non-Hispanic White	550
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	326
From 75 to 84	166
85 and over	45
Less than 65	44

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2019

Hypertension	67
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	37
Depression	33
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	16
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	0
Diabetes	23
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Kathryn A. Grinnen, DO treated as an internist in Lewes, DE during 2020 were preventive care, vaccines, lab tests and cardiac procedures.

Volume of procedures performed by Dr. Kathryn A. Grinnen, DO for Medicare patients.

cardiac procedures	26
diabetes management	12
doctor visit	1167
lab tests	56
preventive care	270
vaccines	201

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn A. Grinnen, DO.

**Gender**
Male	204
Female	424

**Ethnicity**
Non-Hispanic White	594
Black	0
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	369
From 75 to 84	180
85 and over	42
Less than 65	37

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2020

Hypertension	66
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	37
Depression	31
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	13
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Kathryn A. Grinnen, DO treated as an internist in Lewes, DE during 2021 were preventive care, vaccines, lab tests and cardiac procedures.

Volume of procedures performed by Dr. Kathryn A. Grinnen, DO for Medicare patients.

cardiac procedures	21
doctor visit	1205
ear procedures	20
lab tests	28
preventive care	214
vaccines	166

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn A. Grinnen, DO.

**Gender**
Male	209
Female	429

**Ethnicity**
Non-Hispanic White	602
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	362
From 75 to 84	198
85 and over	42
Less than 65	36

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2021

Hypertension	68
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	36
Depression	28
Chronic Kidney Disease	19
Asthma	6
Osteoperosis	15
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	21
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Kathryn A. Grinnen, DO treated as an internist in Lewes, DE during 2022 were preventive care, lab tests, cardiac procedures and vaccines.

Volume of procedures performed by Dr. Kathryn A. Grinnen, DO for Medicare patients.

cardiac procedures	27
doctor visit	1379
ear procedures	11
lab tests	58
preventive care	78
vaccines	17

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Kathryn A. Grinnen, DO.

**Gender**
Male	204
Female	428

**Ethnicity**
Non-Hispanic White	593
Black	0
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	348
From 75 to 84	219
85 and over	39
Less than 65	26

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2022

Hypertension	72
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	32
Depression	27
Chronic Kidney Disease	11
Asthma	9
Osteoperosis	18
Atrial Fibrilation	12
Heart Failure	7
Chronic Obstructive Pulmonary Disease	13
Diabetes	20
Dementia	4
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Kathryn A. Grinnen, DO for Medicare patients.

The highest averages for the top procedures that Dr. Kathryn A. Grinnen, DO treated as an internist in Lewes, DE were preventive care, vaccines, lab tests and cardiac procedures.

cardiac procedures	17
diabetes management	16
doctor visit	1492
ear procedures	14
lab tests	60
preventive care	211
vaccines	167

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Kathryn A. Grinnen, DO.

**Gender**
Male	182
Female	379

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	532
Native American / Alaskan Native	0
Hispanic	1
Other	7

**Age**
75 to 84	150
85 and over	42
Less than 65	44
65 to 74	325

Average of Total of Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Kathryn A. Grinnen, DO treated were high cholesterol, hypertension, ischemic heart disease and depression.

Hypertension	62
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	30
Depression	26
Chronic Kidney Disease	17
Asthma	6
Osteoporosis	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Atrial Fibrillation	6
Dementia	5
Cancer	8

Education & Training

Dr. Kathryn A. Grinnen, DO graduated from Lake Erie College of Osteopathic Medicine in 2006. She has a state license in Ohio.

Medical School: Lake Erie College of Osteopathic Medicine (2006)

Licensed In: Ohio

Affiliations & Hospitals

Dr. Kathryn A. Grinnen, DO is associated with these hospitals and organizations:

CORE CONCIERGE PRIMARY CARE AND WELLNESS LLC

Ratings & Reviews

Dr. Kathryn A. Grinnen, DO has an exceptional overall rating with an average of 5.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Kathryn A. Grinnen, DO from all over the web to help you find the right in Lewes, DE.

Overall Rating

(1 Rating)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 5.0 2022-11-09

Excellent care. Great listener. She gives advice and asks for the patient's questions and input.

General Payments

These charts describe general payments received by Dr. Kathryn A. Grinnen, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Novo Nordisk Inc	$946 Tresiba $296	Ozempic $221	Victoza $158	Xultophy 100/3.6 $94	NovoLog $91	Other $86
AstraZeneca Pharmaceuticals LP	$861 FARXIGA $394	SYMBICORT $102	BEVESPI AEROSPHERE $101	CRESTOR $95	ONGLYZA $50	Other $119
GlaxoSmithKline, LLC.	$856 ANORO $274	BREO $217	TANZEUM $136	TRELEGY ELLIPTA $111	ANORO ELLIPTA $29	Other $88
Amgen Inc.	$844 Repatha $437	Prolia $291	Corlanor $15	Aimovig $15	$86
Pfizer Inc.	$732 CHANTIX $255	LYRICA $164	ELIQUIS $89	VIAGRA $64	PREVNAR - 13 $55	Other $105
Other	$4,335 INVOKANA $321	TRULICITY $227	JARDIANCE $224	Myrbetriq $187	Contrave $180	Other $3,196

**Types of Payments**
Food and Beverage	$8,493
Education	$81

Select Year:

Dr. Kathryn A. Grinnen, DO

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Kathryn A. Grinnen, DO in 2023

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Kathryn A. Grinnen, DO From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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