In 2023, Dr. David J. Chalker JR., DO had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Pennsylvania. 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. David J. Chalker JR., DO treated as a family medicine practitioner in York, PA during 2012 were lab tests, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. David J. Chalker JR., DO for Medicare patients.

blood draw	154
breathing treatment	21
doctor visit	1199
lab tests	191
preventive care	108
vaccines	108

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David J. Chalker JR., DO treated as a family medicine practitioner in York, PA during 2013 were lab tests, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. David J. Chalker JR., DO for Medicare patients.

blood draw	195
breathing treatment	30
doctor visit	1449
lab tests	208
preventive care	74
vaccines	74

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Chalker JR., DO.

**Gender**
Male	190
Female	189

**Ethnicity**
Non-Hispanic White	366
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	180
From 75 to 84	113
85 and over	45
Less than 65	41

Conditions of Medicare patients treated by Dr. David J. Chalker JR., DO in 2013

Hypertension	68
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	34
Depression	10
Chronic Kidney Disease	14
Asthma	3
Osteoperosis	4
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David J. Chalker JR., DO treated as a family medicine practitioner in York, PA during 2014 were blood draw, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. David J. Chalker JR., DO for Medicare patients.

blood draw	316
doctor visit	1341
lab tests	159
preventive care	58
vaccines	58

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Chalker JR., DO.

**Gender**
Male	180
Female	159

**Ethnicity**
Non-Hispanic White	323
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	172
From 75 to 84	94
85 and over	41
Less than 65	32

Conditions of Medicare patients treated by Dr. David J. Chalker JR., DO in 2014

Hypertension	69
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	33
Depression	10
Chronic Kidney Disease	14
Asthma	4
Osteoperosis	4
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David J. Chalker JR., DO treated as a family medicine practitioner in York, PA during 2015 were blood draw, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. David J. Chalker JR., DO for Medicare patients.

blood draw	337
doctor visit	1217
lab tests	97
preventive care	56
vaccines	56

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Chalker JR., DO.

**Gender**
Male	346
Female	304

**Ethnicity**
Non-Hispanic White	620
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	338
From 75 to 84	166
85 and over	82
Less than 65	64

Conditions of Medicare patients treated by Dr. David J. Chalker JR., DO in 2015

Hypertension	69
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	35
Depression	14
Chronic Kidney Disease	15
Asthma	8
Osteoperosis	3
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David J. Chalker JR., DO treated as a family medicine practitioner in York, PA during 2016 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David J. Chalker JR., DO for Medicare patients.

blood draw	316
breathing treatment	16
doctor visit	1187
lab tests	29
preventive care	140
vaccines	140

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Chalker JR., DO.

**Gender**
Male	174
Female	155

**Ethnicity**
Non-Hispanic White	315
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	180
From 75 to 84	72
85 and over	39
Less than 65	38

Conditions of Medicare patients treated by Dr. David J. Chalker JR., DO in 2016

Hypertension	70
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	34
Depression	12
Chronic Kidney Disease	19
Asthma	16
Osteoperosis	5
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	16
Diabetes	27
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David J. Chalker JR., DO treated as a family medicine practitioner in York, PA during 2017 were blood draw, preventive care, vaccines and breathing treatment.

Volume of procedures performed by Dr. David J. Chalker JR., DO for Medicare patients.

blood draw	362
breathing treatment	27
doctor visit	1154
lab tests	20
preventive care	77
vaccines	77

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Chalker JR., DO.

**Gender**
Male	174
Female	150

**Ethnicity**
Non-Hispanic White	309
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	176
From 75 to 84	77
85 and over	35
Less than 65	36

Conditions of Medicare patients treated by Dr. David J. Chalker JR., DO in 2017

Hypertension	70
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	32
Depression	12
Chronic Kidney Disease	15
Asthma	6
Osteoperosis	0
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David J. Chalker JR., DO treated as a family medicine practitioner in York, PA during 2018 were blood draw, preventive care, vaccines and breathing treatment.

Volume of procedures performed by Dr. David J. Chalker JR., DO for Medicare patients.

blood draw	363
breathing treatment	18
doctor visit	1159
lab tests	14
preventive care	84
vaccines	84

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Chalker JR., DO.

**Gender**
Male	194
Female	147

**Ethnicity**
Non-Hispanic White	316
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	186
From 75 to 84	76
85 and over	37
Less than 65	42

Conditions of Medicare patients treated by Dr. David J. Chalker JR., DO in 2018

Hypertension	69
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	36
Depression	14
Chronic Kidney Disease	19
Asthma	3
Osteoperosis	4
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David J. Chalker JR., DO treated as a family medicine practitioner in York, PA during 2019 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David J. Chalker JR., DO for Medicare patients.

blood draw	424
doctor visit	1147
lab tests	31
preventive care	157
vaccines	157

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Chalker JR., DO.

**Gender**
Male	186
Female	131

**Ethnicity**
Non-Hispanic White	298
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	67
85 and over	39
Less than 65	27

Conditions of Medicare patients treated by Dr. David J. Chalker JR., DO in 2019

Hypertension	71
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	33
Depression	8
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	5
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David J. Chalker JR., DO treated as a family medicine practitioner in York, PA during 2020 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. David J. Chalker JR., DO for Medicare patients.

blood draw	388
doctor visit	1020
lab tests	27
preventive care	30
vaccines	30

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Chalker JR., DO.

**Gender**
Male	208
Female	163

**Ethnicity**
Non-Hispanic White	352
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	204
From 75 to 84	90
85 and over	48
Less than 65	29

Conditions of Medicare patients treated by Dr. David J. Chalker JR., DO in 2020

Hypertension	75
High Cholesterol	75
Stroke	3
Ischemic Heart Disease	37
Depression	10
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David J. Chalker JR., DO treated as a family medicine practitioner in York, PA during 2021 were blood draw and lab tests.

Volume of procedures performed by Dr. David J. Chalker JR., DO for Medicare patients.

blood draw	419
doctor visit	1059
lab tests	29

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Chalker JR., DO.

**Gender**
Male	217
Female	174

**Ethnicity**
Non-Hispanic White	372
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	195
From 75 to 84	117
85 and over	50
Less than 65	29

Conditions of Medicare patients treated by Dr. David J. Chalker JR., DO in 2021

Hypertension	75
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	35
Depression	9
Chronic Kidney Disease	28
Asthma	4
Osteoperosis	4
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	28
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David J. Chalker JR., DO treated as a family medicine practitioner in York, PA during 2022 were blood draw and lab tests.

Volume of procedures performed by Dr. David J. Chalker JR., DO for Medicare patients.

blood draw	334
doctor visit	749
lab tests	23

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David J. Chalker JR., DO.

**Gender**
Male	141
Female	108

**Ethnicity**
Non-Hispanic White	238
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	85
85 and over	29
Less than 65	11

Conditions of Medicare patients treated by Dr. David J. Chalker JR., DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	26
Depression	12
Chronic Kidney Disease	16
Asthma	6
Osteoperosis	5
Atrial Fibrilation	14
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Dementia	5
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. David J. Chalker JR., DO for Medicare patients.

The highest averages for the top procedures that Dr. David J. Chalker JR., DO treated as a family medicine practitioner in York, PA were blood draw, preventive care, vaccines and lab tests.

blood draw	328
doctor visit	1152
lab tests	75
preventive care	87
vaccines	87

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. David J. Chalker JR., DO.

**Gender**
Male	182
Female	152

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	319
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	87
85 and over	40
Less than 65	31
65 to 74	176

Average of Total of Conditions of Medicare patients treated by Dr. David J. Chalker JR., DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. David J. Chalker JR., DO treated were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	64
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	30
Depression	10
Chronic Kidney Disease	16
Asthma	4
Osteoporosis	3
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	23
Atrial Fibrillation	9
Cancer	8
Dementia	5

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. David J. Chalker JR., DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Novo Nordisk Inc	$2,886 RYBELSUS $855	Victoza $526	Ozempic $431	Levemir $256	Saxenda $205	Other $613
Pfizer Inc.	$2,108 ELIQUIS $1,167	CHANTIX $293	LYRICA $176	TRUMENBA $100	VIAGRA $98	Other $274
Boehringer Ingelheim Pharmaceuticals, Inc.	$1,946 Pradaxa $282	JARDIANCE $273	STIOLTO RESPIMAT $234	GLYXAMBI $216	TRADJENTA $197	Other $743
Janssen Pharmaceuticals, Inc	$1,678 INVOKANA $1,061	XARELTO $617
Amarin Pharma Inc.	$1,229 Vascepa $1,229
Other	$7,105 ELIQUIS $998	BELSOMRA $444	VRAYLAR $405	SYMBICORT $240	UBRELVY $222	Other $4,796