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Dr. Patrick Joseph Shanahan, MD

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Specializes in: Family Medicine

120 Speer Road Building B
Chestertown, MD 21620

(410) 778-9300

Dr. Patrick Joseph Shanahan, MD is a family medicine practitioner in Chestertown, MD specializing in family medicine.

Office Locations

120 Speer Road Building B
Chestertown, MD 21620

(410) 778-9300

(410) 778-9579

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Noteworthy Medicare Patient Procedures Performed by Dr. Patrick Joseph Shanahan, MD in 2023

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

Top 5%

By Volume:

flu shot

In 2023, Dr. Patrick Joseph Shanahan, MD performed more flu shot procedures for Medicare patients than 95% of providers in related specialties within Maryland.

Top 10%

By Affordability:

lab tests

In 2023, Dr. Patrick Joseph Shanahan, MD had a list price for lab tests that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Maryland. 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 Affordability:

In 2012, Dr. Patrick Joseph Shanahan, MD had a list price for flu shot, flu vaccine, immunization (preventive vaccines), urine tests, and vaccines that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Maryland. 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. Patrick Joseph Shanahan, MD treated as a family medicine practitioner in Chestertown, MD during 2012 were preventive care, vaccines, lab tests and nursing home care.

Volume of procedures performed by Dr. Patrick Joseph Shanahan, MD for Medicare patients.

doctor visit	2938
ear procedures	30
lab tests	107
nursing home care	97
preventive care	258
removal of lesion (e.g. growth)	13
skin procedures	13
vaccines	258

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Patrick Joseph Shanahan, MD treated as a family medicine practitioner in Chestertown, MD during 2013 were preventive care, vaccines, lab tests and nursing home care.

Volume of procedures performed by Dr. Patrick Joseph Shanahan, MD for Medicare patients.

doctor visit	2970
ear procedures	33
lab tests	133
nursing home care	53
preventive care	409
removal of lesion (e.g. growth)	27
skin procedures	27
vaccines	395

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Patrick Joseph Shanahan, MD.

**Gender**
Male	287
Female	343

**Ethnicity**
Non-Hispanic White	582
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	280
From 75 to 84	204
85 and over	109
Less than 65	37

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2013

Hypertension	73
High Cholesterol	74
Stroke	4
Ischemic Heart Disease	27
Depression	15
Chronic Kidney Disease	15
Asthma	5
Osteoperosis	5
Atrial Fibrilation	16
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	34
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Patrick Joseph Shanahan, MD treated as a family medicine practitioner in Chestertown, MD during 2014 were preventive care, vaccines, lab tests and nursing home care.

Volume of procedures performed by Dr. Patrick Joseph Shanahan, MD for Medicare patients.

doctor visit	2828
ear procedures	32
lab tests	100
nursing home care	33
preventive care	287
removal of lesion (e.g. growth)	20
skin procedures	20
vaccines	287

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Patrick Joseph Shanahan, MD.

**Gender**
Male	282
Female	345

**Ethnicity**
Non-Hispanic White	569
Black	44
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	287
From 75 to 84	188
85 and over	113
Less than 65	39

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2014

Hypertension	73
High Cholesterol	70
Stroke	4
Ischemic Heart Disease	26
Depression	15
Chronic Kidney Disease	18
Asthma	6
Osteoperosis	4
Atrial Fibrilation	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	31
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Patrick Joseph Shanahan, MD treated as a family medicine practitioner in Chestertown, MD during 2015 were preventive care, vaccines, nursing home care and lab tests.

Volume of procedures performed by Dr. Patrick Joseph Shanahan, MD for Medicare patients.

doctor visit	2833
ear procedures	34
lab tests	90
nursing home care	102
preventive care	359
removal of lesion (e.g. growth)	22
skin procedures	22
vaccines	359

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Patrick Joseph Shanahan, MD.

**Gender**
Male	552
Female	726

**Ethnicity**
Non-Hispanic White	1156
Black	90
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	608
From 75 to 84	392
85 and over	204
Less than 65	74

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2015

Hypertension	67
High Cholesterol	72
Stroke	4
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	18
Asthma	10
Osteoperosis	5
Atrial Fibrilation	14
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Patrick Joseph Shanahan, MD treated as a family medicine practitioner in Chestertown, MD during 2016 were preventive care, vaccines, chronic care and nursing home care.

Volume of procedures performed by Dr. Patrick Joseph Shanahan, MD for Medicare patients.

chronic care	129
doctor visit	2969
ear procedures	38
lab tests	88
nursing home care	106
preventive care	314
removal of lesion (e.g. growth)	16
skin procedures	16
vaccines	314

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Patrick Joseph Shanahan, MD.

**Gender**
Male	296
Female	377

**Ethnicity**
Non-Hispanic White	602
Black	51
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	316
From 75 to 84	203
85 and over	116
Less than 65	38

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2016

Hypertension	69
High Cholesterol	70
Stroke	5
Ischemic Heart Disease	26
Depression	20
Chronic Kidney Disease	29
Asthma	15
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Patrick Joseph Shanahan, MD treated as a family medicine practitioner in Chestertown, MD during 2017 were preventive care, vaccines, nursing home care and lab tests.

Volume of procedures performed by Dr. Patrick Joseph Shanahan, MD for Medicare patients.

doctor visit	2814
ear procedures	32
lab tests	63
nursing home care	111
preventive care	291
vaccines	291

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Patrick Joseph Shanahan, MD.

**Gender**
Male	296
Female	364

**Ethnicity**
Non-Hispanic White	590
Black	47
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	293
From 75 to 84	218
85 and over	115
Less than 65	34

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2017

Hypertension	69
High Cholesterol	27
Stroke	3
Ischemic Heart Disease	25
Depression	22
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	6
Atrial Fibrilation	17
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	25
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Patrick Joseph Shanahan, MD treated as a family medicine practitioner in Chestertown, MD during 2018 were preventive care, vaccines, nursing home care and lab tests.

Volume of procedures performed by Dr. Patrick Joseph Shanahan, MD for Medicare patients.

doctor visit	2807
lab tests	78
nursing home care	117
preventive care	280
vaccines	280

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Patrick Joseph Shanahan, MD.

**Gender**
Male	318
Female	408

**Ethnicity**
Non-Hispanic White	646
Black	55
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	336
From 75 to 84	239
85 and over	112
Less than 65	39

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2018

Hypertension	70
High Cholesterol	70
Stroke	3
Ischemic Heart Disease	25
Depression	24
Chronic Kidney Disease	34
Asthma	6
Osteoperosis	5
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Patrick Joseph Shanahan, MD treated as a family medicine practitioner in Chestertown, MD during 2019 were preventive care, vaccines, nursing home care and lab tests.

Volume of procedures performed by Dr. Patrick Joseph Shanahan, MD for Medicare patients.

doctor visit	2925
lab tests	68
nursing home care	110
preventive care	265
vaccines	265

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Patrick Joseph Shanahan, MD.

**Gender**
Male	334
Female	442

**Ethnicity**
Non-Hispanic White	675
Black	77
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	333
From 75 to 84	280
85 and over	123
Less than 65	40

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2019

Hypertension	72
High Cholesterol	71
Stroke	6
Ischemic Heart Disease	23
Depression	24
Chronic Kidney Disease	35
Asthma	6
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Patrick Joseph Shanahan, MD treated as a family medicine practitioner in Chestertown, MD during 2020 were preventive care, vaccines, nursing home care and lab tests.

Volume of procedures performed by Dr. Patrick Joseph Shanahan, MD for Medicare patients.

doctor visit	2372
lab tests	17
nursing home care	55
preventive care	269
vaccines	269

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Patrick Joseph Shanahan, MD.

**Gender**
Male	319
Female	415

**Ethnicity**
Non-Hispanic White	651
Black	57
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	315
From 75 to 84	265
85 and over	113
Less than 65	41

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2020

Hypertension	71
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	23
Depression	20
Chronic Kidney Disease	33
Asthma	5
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	25
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Patrick Joseph Shanahan, MD treated as a family medicine practitioner in Chestertown, MD during 2021 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Patrick Joseph Shanahan, MD for Medicare patients.

doctor visit	2567
lab tests	39
preventive care	580
vaccines	301

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Patrick Joseph Shanahan, MD.

**Gender**
Male	374
Female	444

**Ethnicity**
Non-Hispanic White	718
Black	72
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	361
From 75 to 84	291
85 and over	114
Less than 65	52

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2021

Hypertension	71
High Cholesterol	72
Stroke	5
Ischemic Heart Disease	23
Depression	18
Chronic Kidney Disease	29
Asthma	4
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	25
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Patrick Joseph Shanahan, MD treated as a family medicine practitioner in Chestertown, MD during 2022 were preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. Patrick Joseph Shanahan, MD for Medicare patients.

doctor visit	2742
lab tests	46
preventive care	276
vaccines	276

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Patrick Joseph Shanahan, MD.

**Gender**
Male	330
Female	380

**Ethnicity**
Non-Hispanic White	629
Black	53
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	299
From 75 to 84	278
85 and over	109
Less than 65	24

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	18
Depression	12
Chronic Kidney Disease	14
Asthma	6
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Dementia	4
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Patrick Joseph Shanahan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Patrick Joseph Shanahan, MD treated as a family medicine practitioner in Chestertown, MD were preventive care, vaccines, chronic care and nursing home care.

chronic care	129
doctor visit	2796
ear procedures	33
lab tests	75
nursing home care	87
preventive care	326
removal of lesion (e.g. growth)	19
skin procedures	19
vaccines	299

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Patrick Joseph Shanahan, MD.

**Gender**
Male	308
Female	385

**Ethnicity**
Black / African American	49
Asian / Pacific Islander	0
Non-Hispanic White	619
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	232
85 and over	111
Less than 65	38
65 to 74	311

Average of Total of Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD From 2012 - 2022

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

Hypertension	64
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	21
Depression	17
Chronic Kidney Disease	23
Asthma	6
Osteoporosis	5
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Atrial Fibrillation	13
Dementia	9
Cancer	9

Education & Training

He has a state license in Maryland.

Licensed In: Maryland

Ratings & Reviews

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General Payments

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

**Payments by Company**
Lilly USA, LLC	$1,334 JARDIANCE $570	BASAGLAR $253	REYVOW $138	MOUNJARO $120	TRULICITY $98	Other $156
Pfizer Inc.	$1,123 ELIQUIS $293	EUCRISA $114	VIAGRA $78	NURTEC ODT $72	PREVNAR 20 $66	Other $500
Amgen Inc.	$757 Repatha $365	Prolia $305	EVENITY $73	$14
Janssen Pharmaceuticals, Inc	$708 XARELTO $393	INVOKANA $234	INVOKAMET $36	$45
GlaxoSmithKline, LLC.	$702 BREO $231	TRELEGY ELLIPTA $185	ANORO $150	SHINGRIX $74	FLOVENT $37	Other $25
Other	$5,072 JARDIANCE $496	Myrbetriq $373	UBRELVY $317	Vascepa $307	REXULTI $216	Other $3,363

**Types of Payments**
Food and Beverage	$9,561
Education	$135

Biography

Dr. Patrick Shanahan is a specialist in family medicine in Chestertown, MD. He studied medicine at the University of Virginia School of Medicine.

Select Year:

Dr. Patrick Joseph Shanahan, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Patrick Joseph Shanahan, MD in 2023

By Volume:

By Affordability:

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. Patrick Joseph Shanahan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Patrick Joseph Shanahan, MD 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. Patrick Joseph Shanahan, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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