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Dr. John Weidner Knarr, MD

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Specializes in: Internal Medicine (Adult Medicine)

2460 Lee Highway N
Pulaski, VA 24301

(540) 980-8804

Dr. John Weidner Knarr, MD is an internist in Salem, VA specializing in internal medicine (adult medicine).

Office Locations

2155 Apperson Drive
Salem, VA 24153

(540) 444-2010

(540) 444-2019

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2460 Lee Highway N
Pulaski, VA 24301

(540) 980-8804

(540) 980-8161

open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Weidner Knarr, MD treated as an internist in Salem, VA during 2012 were lab tests, blood draw, preventive care and hospital care.

Volume of procedures performed by Dr. John Weidner Knarr, MD for Medicare patients.

blood draw	1217
diabetes management	249
doctor visit	1794
hospital care	430
inpatient care	430
lab tests	3982
nursing home care	135
preventive care	659
thyroid function tests	310
vaccines	84

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Weidner Knarr, MD treated as an internist in Salem, VA during 2013 were lab tests, blood draw, preventive care and thyroid function tests.

Volume of procedures performed by Dr. John Weidner Knarr, MD for Medicare patients.

blood draw	1372
diabetes management	221
doctor visit	2089
lab tests	4525
musculoskeletal imaging	16
nursing home care	199
preventive care	871
thyroid function tests	403
vaccines	268
X-rays	16

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Weidner Knarr, MD.

**Gender**
Male	389
Female	520

**Ethnicity**
Non-Hispanic White	859
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	311
From 75 to 84	290
85 and over	157
Less than 65	151

Conditions of Medicare patients treated by Dr. John Weidner Knarr, MD in 2013

Hypertension	75
High Cholesterol	63
Stroke	9
Ischemic Heart Disease	66
Depression	28
Chronic Kidney Disease	25
Asthma	7
Osteoperosis	13
Atrial Fibrilation	18
Heart Failure	35
Chronic Obstructive Pulmonary Disease	29
Diabetes	47
Dementia	17
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Weidner Knarr, MD treated as an internist in Salem, VA during 2014 were lab tests, blood draw, preventive care and nursing home care.

Volume of procedures performed by Dr. John Weidner Knarr, MD for Medicare patients.

blood draw	1080
diabetes management	216
doctor visit	1712
lab tests	3048
musculoskeletal imaging	48
nursing home care	319
preventive care	693
thyroid function tests	80
vaccines	153
X-rays	48

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Weidner Knarr, MD.

**Gender**
Male	454
Female	662

**Ethnicity**
Non-Hispanic White	1051
Black	53
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	380
From 75 to 84	344
85 and over	183
Less than 65	209

Conditions of Medicare patients treated by Dr. John Weidner Knarr, MD in 2014

Hypertension	75
High Cholesterol	61
Stroke	9
Ischemic Heart Disease	64
Depression	34
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	37
Chronic Obstructive Pulmonary Disease	35
Diabetes	46
Dementia	20
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Weidner Knarr, MD treated as an internist in Salem, VA during 2015 were lab tests, nursing home care, blood draw and preventive care.

Volume of procedures performed by Dr. John Weidner Knarr, MD for Medicare patients.

blood draw	171
diabetes management	39
doctor visit	214
lab tests	489
nursing home care	370
preventive care	121

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Weidner Knarr, MD.

**Gender**
Male	590
Female	830

**Ethnicity**
Non-Hispanic White	1336
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	436
From 75 to 84	422
85 and over	246
Less than 65	316

Conditions of Medicare patients treated by Dr. John Weidner Knarr, MD in 2015

Hypertension	75
High Cholesterol	61
Stroke	11
Ischemic Heart Disease	56
Depression	35
Chronic Kidney Disease	33
Asthma	23
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	38
Chronic Obstructive Pulmonary Disease	36
Diabetes	44
Dementia	19
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. John Weidner Knarr, MD for Medicare patients.

doctor visit	88

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Weidner Knarr, MD.

**Gender**
Male	32
Female	46

**Ethnicity**
Non-Hispanic White	67
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	18
From 75 to 84	19
85 and over	15
Less than 65	26

Conditions of Medicare patients treated by Dr. John Weidner Knarr, MD in 2019

Hypertension	75
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	44
Depression	41
Chronic Kidney Disease	42
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	24
Chronic Obstructive Pulmonary Disease	26
Diabetes	45
Dementia	21
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2019

Volume of procedures performed by Dr. John Weidner Knarr, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Weidner Knarr, MD treated as an internist in Salem, VA were lab tests, blood draw, preventive care and hospital care.

blood draw	960
diabetes management	181
doctor visit	1179
hospital care	430
inpatient care	430
lab tests	3011
musculoskeletal imaging	32
nursing home care	255
preventive care	586
thyroid function tests	264
vaccines	168
X-rays	32

Average Medicare Patient Data From 2012 - 2019

Information about Medicare patients treated by Dr. John Weidner Knarr, MD.

**Gender**
Male	293
Female	411

**Ethnicity**
Black / African American	10
Asian / Pacific Islander	0
Non-Hispanic White	662
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	215
85 and over	120
Less than 65	140
65 to 74	229

Average of Total of Conditions of Medicare patients treated by Dr. John Weidner Knarr, MD From 2012 - 2019

The highest averages of the most common conditions of Medicare patients that Dr. John Weidner Knarr, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	60
High Cholesterol	47
Stroke	5
Ischemic Heart Disease	46
Depression	27
Chronic Kidney Disease	25
Asthma	7
Osteoporosis	6
Heart Failure	26
Chronic Obstructive Pulmonary Disease	25
Diabetes	36
Atrial Fibrillation	10
Dementia	15
Cancer	6

Education & Training

He has a state license in Virginia.

Licensed In: Virginia

Ratings & Reviews

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General Payments

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