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Home > WY Providers > Radiation Oncologists

Dr. John David Purviance, MD

(No ratings)

Specializes in: Radiation Oncology

Tufts University School of Medicine (2002)

6501 E 2nd Street
Casper, WY 82609

(307) 235-5433

Dr. John David Purviance, MD is a radiation oncologist in Casper, WY specializing in radiation oncology. He graduated from Tufts University School of Medicine in 2002 and has 23 years of experience. Dr. John David Purviance, MD is affiliated with ROCKY MOUNTAIN ONCOLOGY CENTER LLC.

Office Locations

6501 E 2nd Street
Casper, WY 82609

(307) 235-5433

(307) 233-4700

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Noteworthy Medicare Patient Procedures Performed by Dr. John David Purviance, MD in 2023

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

Top 5%

By Volume:

phlebotomy for lab tests

radiation therapy

stereotactic body radiation therapy

thyroid blood test

total PSA test

By Affordability:

blood draw

blood draw for lab tests

phlebotomy for lab tests

prostate-specific antigen test

total PSA test

venipuncture

In 2023, among providers in related specialties within Wyoming, Dr. John David Purviance, MD performed more abdominal CT scan, blood draw, chest CT scan, complete blood count (CBC), CT scan, lab tests, neck CT scan, pelvic CT scan, phlebotomy for lab tests, radiation therapy, stereotactic body radiation therapy (SBRT), thyroid blood test, and total PSA test procedures for Medicare patients than 95% of them and he also had a list price for blood draw, blood draw for lab tests, blood tests, chest CT scan, CT scan, lab tests, phlebotomy for lab tests, prostate-specific antigen (PSA) test, total PSA test, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 95% of them. 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

2013 Medicare Procedure Volume

The top procedures that Dr. John David Purviance, MD treated as a radiation oncologist in Casper, WY during 2013 were radiation therapy, lab tests, blood draw and image guided procedures.

Volume of procedures performed by Dr. John David Purviance, MD for Medicare patients.

blood draw	560
CT scan	40
doctor visit	1675
image guided procedures	46
lab tests	1215
radiation therapy	3614
thoracic (chest) imaging	40
thyroid function tests	33

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John David Purviance, MD.

**Gender**
Male	271
Female	258

**Ethnicity**
Non-Hispanic White	489
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	247
From 75 to 84	162
85 and over	64
Less than 65	56

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2013

The most common conditions of Medicare patients that Dr. John David Purviance, MD treated during 2013 were cancer, hypertension, ischemic heart disease and high cholesterol.

Hypertension	51
High Cholesterol	27
Stroke	3
Ischemic Heart Disease	28
Depression	17
Chronic Kidney Disease	17
Asthma	5
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	24
Diabetes	24
Dementia	6
Cancer	68

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John David Purviance, MD treated as a radiation oncologist in Casper, WY during 2014 were radiation therapy, lab tests, blood draw and CT scan.

Volume of procedures performed by Dr. John David Purviance, MD for Medicare patients.

abdominal imaging	24
blood draw	583
CT scan	117
doctor visit	1734
image guided procedures	67
lab tests	1148
pelvic imaging	24
radiation therapy	3692
thoracic (chest) imaging	93
thyroid function tests	25

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John David Purviance, MD.

**Gender**
Male	291
Female	297

**Ethnicity**
Non-Hispanic White	547
Black	0
Hispanic	16
Asian	0
Other	0
Native American	11

**Age**
From 65 to 74	267
From 75 to 84	192
85 and over	70
Less than 65	59

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2014

The most common conditions of Medicare patients that Dr. John David Purviance, MD treated during 2014 were cancer, hypertension, ischemic heart disease and high cholesterol.

Hypertension	48
High Cholesterol	27
Stroke	0
Ischemic Heart Disease	30
Depression	18
Chronic Kidney Disease	20
Asthma	5
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	24
Diabetes	23
Dementia	5
Cancer	69

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John David Purviance, MD treated as a radiation oncologist in Casper, WY during 2015 were radiation therapy, lab tests, blood draw and CT scan.

Volume of procedures performed by Dr. John David Purviance, MD for Medicare patients.

abdominal imaging	45
blood draw	223
CT scan	156
doctor visit	1486
hospital care	13
image guided procedures	36
inpatient care	13
lab tests	714
neck imaging	18
pelvic imaging	45
radiation therapy	938
thoracic (chest) imaging	93

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John David Purviance, MD.

**Gender**
Male	676
Female	682

**Ethnicity**
Non-Hispanic White	1262
Black	0
Hispanic	26
Asian	0
Other	0
Native American	40

**Age**
From 65 to 74	614
From 75 to 84	430
85 and over	174
Less than 65	140

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2015

The most common conditions of Medicare patients that Dr. John David Purviance, MD treated during 2015 were cancer, hypertension, ischemic heart disease and high cholesterol.

Hypertension	54
High Cholesterol	28
Stroke	3
Ischemic Heart Disease	30
Depression	19
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	22
Diabetes	23
Dementia	5
Cancer	66

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John David Purviance, MD treated as a radiation oncologist in Casper, WY during 2016 were radiation therapy, lab tests, CT scan and blood draw.

Volume of procedures performed by Dr. John David Purviance, MD for Medicare patients.

abdominal imaging	158
blood draw	297
CT scan	378
doctor visit	1613
hormone therapy	22
image guided procedures	47
lab tests	878
pelvic imaging	158
radiation therapy	1021
thoracic (chest) imaging	220
thyroid function tests	20

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John David Purviance, MD.

**Gender**
Male	335
Female	385

**Ethnicity**
Non-Hispanic White	664
Black	0
Hispanic	20
Asian	0
Other	0
Native American	22

**Age**
From 65 to 74	338
From 75 to 84	222
85 and over	87
Less than 65	73

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2016

The most common conditions of Medicare patients that Dr. John David Purviance, MD treated during 2016 were cancer, hypertension, ischemic heart disease and diabetes.

Hypertension	49
High Cholesterol	19
Stroke	3
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	23
Asthma	19
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	20
Diabetes	24
Dementia	6
Cancer	65

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John David Purviance, MD treated as a radiation oncologist in Casper, WY during 2017 were radiation therapy, lab tests, blood draw and CT scan.

Volume of procedures performed by Dr. John David Purviance, MD for Medicare patients.

abdominal imaging	58
blood draw	391
CT scan	160
doctor visit	1407
image guided procedures	37
lab tests	872
neck imaging	14
pelvic imaging	58
port flush	27
radiation therapy	884
thoracic (chest) imaging	88
thyroid function tests	29

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John David Purviance, MD.

**Gender**
Male	339
Female	378

**Ethnicity**
Non-Hispanic White	670
Black	0
Hispanic	17
Asian	0
Other	0
Native American	15

**Age**
From 65 to 74	343
From 75 to 84	229
85 and over	91
Less than 65	54

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2017

The most common conditions of Medicare patients that Dr. John David Purviance, MD treated during 2017 were cancer, hypertension, ischemic heart disease and chronic kidney disease.

Hypertension	52
High Cholesterol	18
Stroke	2
Ischemic Heart Disease	27
Depression	20
Chronic Kidney Disease	24
Asthma	3
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	23
Diabetes	24
Dementia	7
Cancer	67

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John David Purviance, MD treated as a radiation oncologist in Casper, WY during 2018 were radiation therapy, lab tests, blood draw and CT scan.

Volume of procedures performed by Dr. John David Purviance, MD for Medicare patients.

abdominal imaging	90
blood draw	349
CT scan	232
doctor visit	1540
hormone therapy	14
image guided procedures	92
lab tests	765
pelvic imaging	90
radiation therapy	1086
thoracic (chest) imaging	142
thyroid function tests	14

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John David Purviance, MD.

**Gender**
Male	362
Female	386

**Ethnicity**
Non-Hispanic White	681
Black	0
Hispanic	22
Asian	0
Other	0
Native American	22

**Age**
From 65 to 74	355
From 75 to 84	251
85 and over	73
Less than 65	69

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2018

The most common conditions of Medicare patients that Dr. John David Purviance, MD treated during 2018 were cancer, hypertension, ischemic heart disease and high cholesterol.

Hypertension	52
High Cholesterol	27
Stroke	2
Ischemic Heart Disease	33
Depression	20
Chronic Kidney Disease	26
Asthma	4
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	21
Diabetes	25
Dementia	5
Cancer	68

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John David Purviance, MD treated as a radiation oncologist in Casper, WY during 2019 were radiation therapy, lab tests, blood draw and CT scan.

Volume of procedures performed by Dr. John David Purviance, MD for Medicare patients.

abdominal imaging	90
blood draw	437
CT scan	226
doctor visit	1773
image guided procedures	99
lab tests	923
neck imaging	12
pelvic imaging	90
radiation therapy	1294
thoracic (chest) imaging	124

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John David Purviance, MD.

**Gender**
Male	398
Female	401

**Ethnicity**
Non-Hispanic White	723
Black	0
Hispanic	24
Asian	0
Other	13
Native American	25

**Age**
From 65 to 74	389
From 75 to 84	251
85 and over	90
Less than 65	69

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2019

The most common conditions of Medicare patients that Dr. John David Purviance, MD treated during 2019 were cancer, hypertension, ischemic heart disease and high cholesterol.

Hypertension	57
High Cholesterol	29
Stroke	3
Ischemic Heart Disease	33
Depression	22
Chronic Kidney Disease	27
Asthma	5
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	25
Diabetes	23
Dementia	6
Cancer	68

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John David Purviance, MD treated as a radiation oncologist in Casper, WY during 2020 were radiation therapy, lab tests, blood draw and CT scan.

Volume of procedures performed by Dr. John David Purviance, MD for Medicare patients.

abdominal imaging	106
blood draw	414
CT scan	295
doctor visit	1759
hormone therapy	16
image guided procedures	117
lab tests	893
neck imaging	18
pelvic imaging	106
radiation therapy	1124
thoracic (chest) imaging	171
thyroid function tests	23

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John David Purviance, MD.

**Gender**
Male	456
Female	388

**Ethnicity**
Non-Hispanic White	775
Black	0
Hispanic	27
Asian	0
Other	13
Native American	18

**Age**
From 65 to 74	405
From 75 to 84	283
85 and over	95
Less than 65	61

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2020

The most common conditions of Medicare patients that Dr. John David Purviance, MD treated during 2020 were cancer, hypertension, high cholesterol and ischemic heart disease.

Hypertension	57
High Cholesterol	32
Stroke	3
Ischemic Heart Disease	31
Depression	17
Chronic Kidney Disease	28
Asthma	3
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	21
Diabetes	24
Dementia	5
Cancer	66

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John David Purviance, MD treated as a radiation oncologist in Casper, WY during 2021 were radiation therapy, lab tests, blood draw and CT scan.

Volume of procedures performed by Dr. John David Purviance, MD for Medicare patients.

abdominal imaging	72
blood draw	384
CT scan	244
doctor visit	1448
hormone therapy	21
image guided procedures	99
lab tests	709
neck imaging	18
pelvic imaging	72
radiation therapy	813
thoracic (chest) imaging	154
thyroid function tests	20

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John David Purviance, MD.

**Gender**
Male	470
Female	372

**Ethnicity**
Non-Hispanic White	776
Black	0
Hispanic	28
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	416
From 75 to 84	298
85 and over	77
Less than 65	51

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2021

The most common conditions of Medicare patients that Dr. John David Purviance, MD treated during 2021 were cancer, hypertension, ischemic heart disease and high cholesterol.

Hypertension	56
High Cholesterol	31
Stroke	3
Ischemic Heart Disease	33
Depression	15
Chronic Kidney Disease	25
Asthma	3
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	20
Diabetes	24
Dementia	6
Cancer	67

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John David Purviance, MD treated as a radiation oncologist in Casper, WY during 2022 were radiation therapy, lab tests, blood draw and CT scan.

Volume of procedures performed by Dr. John David Purviance, MD for Medicare patients.

abdominal imaging	97
biological response modifier (BRM) therapy	20
blood draw	453
chemotherapy	20
CT scan	315
doctor visit	1479
image guided procedures	105
lab tests	849
minimally invasive procedures	20
neck imaging	31
pelvic imaging	97
radiation therapy	927
thoracic (chest) imaging	187
thyroid function tests	24

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John David Purviance, MD.

**Gender**
Male	531
Female	409

**Ethnicity**
Non-Hispanic White	869
Black	0
Hispanic	33
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	471
From 75 to 84	333
85 and over	87
Less than 65	49

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2022

The most common conditions of Medicare patients that Dr. John David Purviance, MD treated during 2022 were cancer, hypertension, high cholesterol and diabetes.

Hypertension	68
High Cholesterol	48
Stroke	5
Ischemic Heart Disease	23
Depression	14
Chronic Kidney Disease	15
Asthma	6
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	23
Diabetes	25
Dementia	3
Cancer	73

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John David Purviance, MD treated as a radiation oncologist in Casper, WY during 2023 were lab tests, radiation therapy, CT scan and blood draw.

Volume of procedures performed by Dr. John David Purviance, MD for Medicare patients.

abdominal imaging	168
blood draw	434
CT scan	449
doctor visit	1518
image guided procedures	89
lab tests	796
neck imaging	39
pelvic imaging	157
radiation therapy	737
thoracic (chest) imaging	242
thyroid function tests	33

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John David Purviance, MD.

**Gender**
Male	599
Female	450

**Ethnicity**
Non-Hispanic White	974
Black	0
Hispanic	32
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	525
From 75 to 84	376
85 and over	106
Less than 65	42

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2023

The most common conditions of Medicare patients that Dr. John David Purviance, MD treated during 2023 were cancer, hypertension, high cholesterol and diabetes.

Hypertension	68
High Cholesterol	46
Stroke	5
Ischemic Heart Disease	22
Depression	13
Chronic Kidney Disease	16
Asthma	4
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	14
Chronic Obstructive Pulmonary Disease	22
Diabetes	26
Dementia	4
Cancer	73

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. John David Purviance, MD for Medicare patients.

The highest averages for the top procedures that Dr. John David Purviance, MD treated as a radiation oncologist in Casper, WY were radiation therapy, lab tests, blood draw and CT scan.

abdominal imaging	90
biological response modifier (BRM) therapy	20
blood draw	411
chemotherapy	20
CT scan	237
doctor visit	1584
hormone therapy	18
hospital care	13
image guided procedures	75
inpatient care	13
lab tests	887
minimally invasive procedures	20
neck imaging	21
pelvic imaging	89
radiation therapy	1466
thoracic (chest) imaging	141
thyroid function tests	24

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. John David Purviance, MD.

**Gender**
Male	429
Female	400

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	766
Native American / Alaskan Native	13
Hispanic	24
Other	8

**Age**
85 and over	92
75 to 84	275
Less than 65	65
65 to 74	397

Average of Total of Conditions of Medicare patients treated by Dr. John David Purviance, MD From 2013 - 2023

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

Hypertension	55
High Cholesterol	30
Stroke	2
Ischemic Heart Disease	28
Depression	17
Chronic Kidney Disease	22
Asthma	6
Osteoporosis	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	22
Diabetes	24
Atrial Fibrillation	10
Dementia	5
Cancer	68

Education & Training

Dr. John David Purviance, MD graduated from Tufts University School of Medicine in 2002. He has a state license in Wyoming.

Medical School: Tufts University School of Medicine (2002)

Licensed In: Wyoming

Affiliations & Hospitals

Dr. John David Purviance, MD is associated with these hospitals and organizations:

ROCKY MOUNTAIN ONCOLOGY CENTER LLC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Novartis Pharmaceuticals Corporation	$856 TASIGNA $98	Exjade $97	NON BRAND $90	AFINITOR $76	TAFINLAR $72	Other $423
Janssen Biotech, Inc.	$483 Erleada $164	PROCRIT $101	Balversa $56	DARZALEX $44	YONDELIS $31	Other $87
E.R. Squibb & Sons, L.L.C.	$477 OPDIVO $199	EMPLICITI $65	YERVOY $61	ELIQUIS $50	OPDUALAG $39	Other $63
AstraZeneca Pharmaceuticals LP	$349 IMFINZI $194	LYNPARZA $42	TAGRISSO $27	FASLODEX $12	$75
Pfizer Inc.	$338 TALZENNA $92	IBRANCE $92	ORGOVYX $58	PAXLOVID $51	ADCETRIS $27	Other $18
Other	$5,003 KEYTRUDA $322	ORGOVYX $304	IMBRUVICA $268	TrueBeam $256	Kyprolis $207	Other $3,646

**Types of Payments**
Food and Beverage	$7,124
Education	$382

Biography

Dr. John Purviance is a medical specialist in radiation oncology. Dr. Purviance is a graduate of Tufts University School of Medicine.

Select Year:

Dr. John David Purviance, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John David Purviance, MD in 2023

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John David Purviance, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Average Medicare Patient Data From 2013 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. John David Purviance, MD From 2013 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Casper, WY