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Home > AZ Providers > Internists & Internal Medicine Doctors

Dr. David Joseph Knapp, MD

(8 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

75 Colonia De Salud Suite 200a
Sierra Vista, AZ 85635

(520) 458-8145

Dr. David Joseph Knapp, MD is an internist in Sierra Vista, AZ specializing in internal medicine (adult medicine). Dr. David Joseph Knapp, MD is affiliated with Canyon Vista Medical Center.

Office Locations

Canyon Vista Medical Center

5750 E Highway 90 Suite 200
Sierra Vista, AZ 85635

(520) 263-3762

(520) 263-3599

open_in_new

75 Colonia De Salud Suite 200a
Sierra Vista, AZ 85635

(520) 458-8145

1-877-771-1056

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. David Joseph Knapp, MD in 2024

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

Top 25%

By Affordability:

lab tests

In 2012, Dr. David Joseph Knapp, MD had a list price for lab tests that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Arizona. 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 Joseph Knapp, MD treated as an internist in Sierra Vista, AZ during 2012 were immunotherapy, injections, preventive care and vaccines.

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

doctor visit	2678
ear procedures	32
immunotherapy	498
injections	498
lab tests	29
preventive care	324
vaccines	312

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David Joseph Knapp, MD treated as an internist in Sierra Vista, AZ during 2013 were immunotherapy, injections, preventive care and vaccines.

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

doctor visit	2674
ear procedures	23
immunotherapy	472
injections	472
lab tests	28
preventive care	333
vaccines	319

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joseph Knapp, MD.

**Gender**
Male	491
Female	587

**Ethnicity**
Non-Hispanic White	963
Black	31
Hispanic	46
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	503
From 75 to 84	358
85 and over	141
Less than 65	76

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2013

Hypertension	69
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	36
Depression	16
Chronic Kidney Disease	16
Asthma	8
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	19
Diabetes	25
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David Joseph Knapp, MD treated as an internist in Sierra Vista, AZ during 2014 were immunotherapy, injections, preventive care and vaccines.

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

diabetes management	55
doctor visit	2726
ear procedures	25
immunotherapy	441
injections	441
lab tests	91
preventive care	374
vaccines	306

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joseph Knapp, MD.

**Gender**
Male	463
Female	569

**Ethnicity**
Non-Hispanic White	914
Black	31
Hispanic	42
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	486
From 75 to 84	356
85 and over	137
Less than 65	53

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2014

Hypertension	74
High Cholesterol	54
Stroke	3
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	15
Asthma	7
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	18
Diabetes	26
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David Joseph Knapp, MD treated as an internist in Sierra Vista, AZ during 2015 were immunotherapy, injections, preventive care and vaccines.

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

diabetes management	75
doctor visit	2358
ear procedures	31
immunotherapy	357
injections	357
lab tests	107
preventive care	351
vaccines	261

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joseph Knapp, MD.

**Gender**
Male	902
Female	1066

**Ethnicity**
Non-Hispanic White	1736
Black	64
Hispanic	82
Asian	44
Other	0
Native American	0

**Age**
From 65 to 74	888
From 75 to 84	700
85 and over	290
Less than 65	90

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2015

Hypertension	73
High Cholesterol	59
Stroke	3
Ischemic Heart Disease	37
Depression	21
Chronic Kidney Disease	18
Asthma	13
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	18
Diabetes	28
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David Joseph Knapp, MD treated as an internist in Sierra Vista, AZ during 2016 were immunotherapy, injections, preventive care and vaccines.

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

diabetes management	86
doctor visit	2149
ear procedures	29
immunotherapy	318
injections	318
lab tests	120
preventive care	282
vaccines	177

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joseph Knapp, MD.

**Gender**
Male	421
Female	481

**Ethnicity**
Non-Hispanic White	803
Black	25
Hispanic	36
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	389
From 75 to 84	344
85 and over	137
Less than 65	32

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2016

Hypertension	73
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	39
Depression	15
Chronic Kidney Disease	26
Asthma	23
Osteoperosis	5
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David Joseph Knapp, MD treated as an internist in Sierra Vista, AZ during 2017 were immunotherapy, injections, preventive care and vaccines.

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

diabetes management	64
doctor visit	2157
ear procedures	24
immunotherapy	308
injections	308
lab tests	103
preventive care	236
vaccines	154

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joseph Knapp, MD.

**Gender**
Male	381
Female	450

**Ethnicity**
Non-Hispanic White	739
Black	26
Hispanic	26
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	358
From 75 to 84	330
85 and over	122
Less than 65	21

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2017

Hypertension	73
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	36
Depression	17
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	18
Diabetes	27
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David Joseph Knapp, MD treated as an internist in Sierra Vista, AZ during 2018 were immunotherapy, injections, preventive care and vaccines.

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

doctor visit	2370
ear procedures	16
immunotherapy	281
injections	281
lab tests	44
preventive care	165
vaccines	165

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joseph Knapp, MD.

**Gender**
Male	387
Female	485

**Ethnicity**
Non-Hispanic White	762
Black	36
Hispanic	33
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	336
From 75 to 84	389
85 and over	131
Less than 65	16

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2018

Hypertension	75
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	36
Depression	17
Chronic Kidney Disease	40
Asthma	7
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	18
Diabetes	32
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David Joseph Knapp, MD treated as an internist in Sierra Vista, AZ during 2019 were immunotherapy, injections, preventive care and vaccines.

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

diabetes management	12
doctor visit	2411
ear procedures	31
immunotherapy	243
injections	243
lab tests	48
preventive care	202
vaccines	190

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joseph Knapp, MD.

**Gender**
Male	405
Female	476

**Ethnicity**
Non-Hispanic White	766
Black	30
Hispanic	40
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	354
From 75 to 84	391
85 and over	124
Less than 65	12

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2019

Hypertension	75
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	38
Depression	17
Chronic Kidney Disease	35
Asthma	7
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	17
Diabetes	28
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David Joseph Knapp, MD treated as an internist in Sierra Vista, AZ during 2020 were immunotherapy, injections and ear procedures.

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

doctor visit	2828
ear procedures	12
immunotherapy	87
injections	87

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joseph Knapp, MD.

**Gender**
Male	367
Female	437

**Ethnicity**
Non-Hispanic White	696
Black	29
Hispanic	36
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	314
From 75 to 84	364
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2020

Hypertension	75
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	38
Depression	16
Chronic Kidney Disease	36
Asthma	6
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	17
Diabetes	28
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David Joseph Knapp, MD treated as an internist in Sierra Vista, AZ during 2021 were preventive care, vaccines and ear procedures.

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

doctor visit	2139
ear procedures	20
preventive care	99
vaccines	99

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joseph Knapp, MD.

**Gender**
Male	453
Female	551

**Ethnicity**
Non-Hispanic White	861
Black	38
Hispanic	53
Asian	0
Other	29
Native American	0

**Age**
From 65 to 74	417
From 75 to 84	433
85 and over	139
Less than 65	15

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2021

Hypertension	65
High Cholesterol	51
Stroke	3
Ischemic Heart Disease	33
Depression	13
Chronic Kidney Disease	29
Asthma	4
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	27
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David Joseph Knapp, MD treated as an internist in Sierra Vista, AZ during 2022 were lab tests, ear procedures, preventive care and diabetes management.

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

diabetes management	12
doctor visit	2123
ear procedures	24
lab tests	34
preventive care	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joseph Knapp, MD.

**Gender**
Male	303
Female	351

**Ethnicity**
Non-Hispanic White	561
Black	27
Hispanic	26
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	300
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	30
Depression	15
Chronic Kidney Disease	25
Asthma	9
Osteoperosis	13
Atrial Fibrilation	16
Heart Failure	12
Chronic Obstructive Pulmonary Disease	19
Diabetes	32
Dementia	9
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. David Joseph Knapp, MD treated as an internist in Sierra Vista, AZ during 2023 were lab tests, preventive care, diabetes management and ear procedures.

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

diabetes management	23
doctor visit	2030
ear procedures	20
lab tests	56
preventive care	23

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joseph Knapp, MD.

**Gender**
Male	292
Female	341

**Ethnicity**
Non-Hispanic White	532
Black	29
Hispanic	33
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	213
From 75 to 84	311
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	30
Depression	15
Chronic Kidney Disease	25
Asthma	9
Osteoperosis	15
Atrial Fibrilation	17
Heart Failure	12
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Dementia	9
Cancer	18

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. David Joseph Knapp, MD treated as an internist in Sierra Vista, AZ during 2024 were ear procedures, lab tests and preventive care.

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

doctor visit	1894
ear procedures	28
lab tests	25
preventive care	11

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joseph Knapp, MD.

**Gender**
Male	273
Female	324

**Ethnicity**
Non-Hispanic White	503
Black	24
Hispanic	32
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	198
From 75 to 84	285
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	31
Depression	16
Chronic Kidney Disease	26
Asthma	10
Osteoperosis	17
Atrial Fibrilation	17
Heart Failure	14
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	10
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. David Joseph Knapp, MD for Medicare patients.

The highest averages for the top procedures that Dr. David Joseph Knapp, MD treated as an internist in Sierra Vista, AZ were immunotherapy, injections, vaccines and preventive care.

diabetes management	46
doctor visit	2349
ear procedures	24
immunotherapy	333
injections	333
lab tests	62
preventive care	201
vaccines	220

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. David Joseph Knapp, MD.

**Gender**
Male	395
Female	470

**Ethnicity**
Black / African American	30
Asian / Pacific Islander	5
Non-Hispanic White	756
Native American / Alaskan Native	0
Hispanic	37
Other	17

**Age**
75 to 84	350
85 and over	93
Less than 65	24
65 to 74	360

Average of Total of Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD From 2012 - 2024

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

Hypertension	67
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	32
Depression	15
Chronic Kidney Disease	24
Asthma	8
Osteoporosis	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	16
Diabetes	26
Atrial Fibrillation	10
Cancer	13
Dementia	7

Education & Training

He has a state license in Arizona.

Licensed In: Arizona

Ratings & Reviews

Dr. David Joseph Knapp, MD has a high overall rating with an average of 3.94 out of 5 stars based on 8 ratings. We collect ratings and reviews of Dr. David Joseph Knapp, MD from all over the web to help you find the right in Sierra Vista, AZ.

3.94

Overall Rating

(8 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$791 FARXIGA $286	AIRSUPRA $160	BYDUREON $144	SYMBICORT $49	MOVANTIK $47	Other $104
GlaxoSmithKline, LLC.	$661 BREO $253	BOOSTRIX $112	ANORO ELLIPTA $28	HAVRIX $21	Menveo $18	Other $228
Pfizer Inc.	$393 ELIQUIS $211	PREVNAR - 13 $92	NURTEC ODT $35	MYFEMBREE $19	LYRICA $19	Other $17
Janssen Pharmaceuticals, Inc	$361 XARELTO $188	INVOKANA $156	meters $17
Merck Sharp & Dohme Corporation	$305 DIFICID $123	BELSOMRA $84	NON-PRODUCT $48	PNEUMOVAX 23 $27	JANUMET XR $23
Other	$2,588 FFRct $248	TOUJEO $162	WATCHMAN Access System $135	WATCHMAN $130	ENTRESTO $127	Other $1,787

**Types of Payments**
Food and Beverage	$5,003
Education	$96

Biography

Dr. David Knapp has received a 4.0 out of 5 star rating by his patients. Dr. Knapp is professionally affiliated with Canyon Vista Medical Center.

Select Year:

Dr. David Joseph Knapp, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. David Joseph Knapp, MD in 2024

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. David Joseph Knapp, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Joseph Knapp, MD 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. David Joseph Knapp, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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