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Home > PA Providers > Emergency Physicians

Dr. Colby Shirk, M D

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Specializes in: Emergency Medicine

112 N 7th Street
Chambersburg, PA 17201

(717) 267-7146

Dr. Colby Shirk, M D is an emergency medicine doctor in Chambersburg, PA specializing in emergency medicine.

Office Locations

112 N 7th Street
Chambersburg, PA 17201

(717) 267-7146

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500 University Drive H043
Hershey, PA 17033

(717) 531-6039

(717) 531-4587

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501 E Main Street
Waynesboro, PA 17268

(717) 765-3400

(717) 267-7728

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Noteworthy Medicare Patient Procedures Performed by Dr. Colby Shirk, M D in 2024

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

Top 10%

By Volume:

emergency room care

In 2024, Dr. Colby Shirk, M D performed more emergency room (ER) care procedures for Medicare patients than 90% of providers in related specialties within Pennsylvania.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA during 2012 were emergency care.

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

emergency care	501

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA during 2013 were emergency care.

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

emergency care	446

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Colby Shirk, M D.

**Gender**
Male	260
Female	335

**Ethnicity**
Non-Hispanic White	548
Black	23
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	165
85 and over	109
Less than 65	164

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2013

Hypertension	75
High Cholesterol	58
Stroke	17
Ischemic Heart Disease	47
Depression	36
Chronic Kidney Disease	41
Asthma	10
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	34
Chronic Obstructive Pulmonary Disease	23
Diabetes	40
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA during 2014 were emergency care.

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

emergency care	488

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Colby Shirk, M D.

**Gender**
Male	264
Female	276

**Ethnicity**
Non-Hispanic White	493
Black	19
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	129
85 and over	121
Less than 65	157

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2014

Hypertension	75
High Cholesterol	62
Stroke	13
Ischemic Heart Disease	46
Depression	37
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	35
Chronic Obstructive Pulmonary Disease	22
Diabetes	41
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA during 2015 were emergency care.

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

emergency care	492

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Colby Shirk, M D.

**Gender**
Male	498
Female	590

**Ethnicity**
Non-Hispanic White	992
Black	62
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	256
From 75 to 84	274
85 and over	244
Less than 65	314

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2015

Hypertension	75
High Cholesterol	66
Stroke	15
Ischemic Heart Disease	48
Depression	42
Chronic Kidney Disease	47
Asthma	22
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	36
Chronic Obstructive Pulmonary Disease	22
Diabetes	43
Dementia	21
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA during 2016 were emergency care.

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

emergency care	800

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Colby Shirk, M D.

**Gender**
Male	313
Female	444

**Ethnicity**
Non-Hispanic White	701
Black	28
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	186
From 75 to 84	201
85 and over	181
Less than 65	189

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2016

Hypertension	75
High Cholesterol	74
Stroke	10
Ischemic Heart Disease	56
Depression	36
Chronic Kidney Disease	51
Asthma	32
Osteoperosis	10
Atrial Fibrilation	22
Heart Failure	35
Chronic Obstructive Pulmonary Disease	26
Diabetes	40
Dementia	22
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA during 2017 were emergency care.

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

emergency care	738

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Colby Shirk, M D.

**Gender**
Male	310
Female	408

**Ethnicity**
Non-Hispanic White	661
Black	33
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	197
85 and over	173
Less than 65	164

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2017

Hypertension	75
High Cholesterol	73
Stroke	10
Ischemic Heart Disease	54
Depression	39
Chronic Kidney Disease	53
Asthma	11
Osteoperosis	8
Atrial Fibrilation	25
Heart Failure	37
Chronic Obstructive Pulmonary Disease	26
Diabetes	47
Dementia	23
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA during 2018 were emergency care.

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

emergency care	751

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Colby Shirk, M D.

**Gender**
Male	292
Female	441

**Ethnicity**
Non-Hispanic White	684
Black	24
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	189
From 75 to 84	208
85 and over	149
Less than 65	187

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2018

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	53
Depression	37
Chronic Kidney Disease	51
Asthma	13
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	35
Chronic Obstructive Pulmonary Disease	29
Diabetes	41
Dementia	20
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA during 2019 were emergency care.

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

emergency care	662

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Colby Shirk, M D.

**Gender**
Male	267
Female	376

**Ethnicity**
Non-Hispanic White	592
Black	23
Hispanic	16
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	179
From 75 to 84	187
85 and over	126
Less than 65	151

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2019

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	49
Depression	38
Chronic Kidney Disease	53
Asthma	16
Osteoperosis	8
Atrial Fibrilation	19
Heart Failure	32
Chronic Obstructive Pulmonary Disease	23
Diabetes	42
Dementia	17
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA during 2020 were emergency care.

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

emergency care	513

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Colby Shirk, M D.

**Gender**
Male	239
Female	272

**Ethnicity**
Non-Hispanic White	484
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	167
From 75 to 84	143
85 and over	120
Less than 65	81

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2020

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	47
Depression	34
Chronic Kidney Disease	53
Asthma	10
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	35
Chronic Obstructive Pulmonary Disease	23
Diabetes	41
Dementia	22
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA during 2021 were emergency care.

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

emergency care	521

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Colby Shirk, M D.

**Gender**
Male	240
Female	304

**Ethnicity**
Non-Hispanic White	511
Black	17
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	167
From 75 to 84	168
85 and over	112
Less than 65	97

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2021

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	47
Depression	36
Chronic Kidney Disease	50
Asthma	10
Osteoperosis	12
Atrial Fibrilation	21
Heart Failure	33
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	20
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA during 2022 were emergency care.

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

emergency care	514

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Colby Shirk, M D.

**Gender**
Male	247
Female	317

**Ethnicity**
Non-Hispanic White	524
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	191
85 and over	134
Less than 65	85

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2022

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	41
Depression	34
Chronic Kidney Disease	38
Asthma	13
Osteoperosis	16
Atrial Fibrilation	29
Heart Failure	31
Chronic Obstructive Pulmonary Disease	22
Diabetes	39
Dementia	18
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA during 2023 were emergency care.

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

emergency care	502

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Colby Shirk, M D.

**Gender**
Male	235
Female	284

**Ethnicity**
Non-Hispanic White	479
Black	14
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	179
85 and over	125
Less than 65	76

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2023

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	39
Depression	30
Chronic Kidney Disease	41
Asthma	12
Osteoperosis	16
Atrial Fibrilation	30
Heart Failure	31
Chronic Obstructive Pulmonary Disease	22
Diabetes	43
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA during 2024 were emergency care.

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

emergency care	495

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Colby Shirk, M D.

**Gender**
Male	210
Female	312

**Ethnicity**
Non-Hispanic White	491
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	153
From 75 to 84	169
85 and over	127
Less than 65	73

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2024

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	43
Depression	36
Chronic Kidney Disease	43
Asthma	15
Osteoperosis	18
Atrial Fibrilation	33
Heart Failure	34
Chronic Obstructive Pulmonary Disease	23
Diabetes	42
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Colby Shirk, M D for Medicare patients.

The highest averages for the top procedures that Dr. Colby Shirk, M D treated as an emergency medicine doctor in Chambersburg, PA were emergency care.

emergency care	571

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Colby Shirk, M D.

**Gender**
Male	259
Female	335

**Ethnicity**
Black / African American	20
Asian / Pacific Islander	0
Non-Hispanic White	550
Native American / Alaskan Native	0
Hispanic	5
Other	1

**Age**
75 to 84	170
85 and over	132
Less than 65	133
65 to 74	158

Average of Total of Conditions of Medicare patients treated by Dr. Colby Shirk, M D From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Colby Shirk, M D treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	69
High Cholesterol	66
Stroke	11
Ischemic Heart Disease	43
Depression	33
Chronic Kidney Disease	43
Asthma	13
Osteoporosis	10
Heart Failure	31
Chronic Obstructive Pulmonary Disease	21
Diabetes	38
Atrial Fibrillation	21
Cancer	12
Dementia	17

Education & Training

He has a state license in Pennsylvania.

Licensed In: Pennsylvania

Ratings & Reviews

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General Payments

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

**Payments by Company**
Pfizer Inc.	$33 PAXLOVID $21	ELIQUIS $11
Janssen Pharmaceuticals, Inc	$21 XARELTO $21
CSL Behring	$18 Kcentra $18

**Types of Payments**
Food and Beverage	$72

Biography

Dr. Colby Shirk practices emergency medicine. He attended Penn State College of Medicine and then went on to complete his residency at St. Luke's Hospital & Health Network, Pennsylvania. Dr. Shirk usually is in-network for Capital BlueCross, Blue California, and Aetna, as well as other insurance carriers. He is affiliated with WellSpan Chambersburg Hospital.

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Dr. Colby Shirk, M D

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Colby Shirk, M D in 2024

By Volume:

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. Colby Shirk, M D in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Colby Shirk, M D in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Colby Shirk, M D From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

Emergency Physicians in Nearby Locations

Other Providers in Chambersburg, PA