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Home > FL Providers > Radiation Oncologists

Dr. Peter A. Johnstone, MD

Accepting New Patients

(Dr. Peter Johnstone, M.D.)

(3 Ratings)

Specializes in: Radiation Oncology

Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine (1989)

12902 USF MAGNOLIA DRIVE
TAMPA, FL 33612

1-888-663-3488

Dr. Peter A. Johnstone, MD is a radiation oncologist in TAMPA, FL specializing in radiation oncology. This provider graduated from Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine in 1989 and has 37 years of experience. Dr. Peter A. Johnstone, MD is affiliated with H LEE MOFFITT CANCER CTR AND RES INST LIFE TIME CANCER SCRN CTR INC.

Office Locations

12902 USF MAGNOLIA DRIVE
TAMPA, FL 33612

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In The News

“"We have moved away from conventional radiation in most cases, since equivalent results and toxicity have been noted with hypofractionated regimens," explained Peter A.S. Johnstone, MD, of Moffitt...”—"Prostate Cancer: Choosing the Best Radiation Therapy for Individual Patients", MedPage Today, January 2024

“In an editorial accompanying the study, Peter Johnstone, MD, of the Moffitt Cancer Center in Tampa, Florida, noted that because the margins used were similar between the MR and CT cohorts, the...”—"MR-Guided Adaptive SBRT Tied to Reduced Side Effects in Prostate Cancer", MedPage Today, July 2023

Noteworthy Medicare Patient Procedures Performed by Dr. Peter A. Johnstone, MD in 2023

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

Top 25%

By Affordability:

radiation therapy

In 2012, Dr. Peter A. Johnstone, MD had a list price for radiation therapy that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Florida. 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

Volume of procedures performed by Dr. Peter A. Johnstone, MD for Medicare patients.

doctor visit	300

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Peter A. Johnstone, MD for Medicare patients.

doctor visit	271

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Johnstone, MD.

**Gender**
Male	140
Female	79

**Ethnicity**
Non-Hispanic White	155
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	63
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Peter A. Johnstone, MD in 2013

Hypertension	63
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	33
Depression	26
Chronic Kidney Disease	25
Asthma	9
Osteoperosis	5
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	0
Cancer	73

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Peter A. Johnstone, MD treated as a radiation oncologist in TAMPA, FL during 2014 were radiation therapy.

Volume of procedures performed by Dr. Peter A. Johnstone, MD for Medicare patients.

doctor visit	188
radiation therapy	18

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Johnstone, MD.

**Gender**
Male	173
Female	91

**Ethnicity**
Non-Hispanic White	211
Black	35
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	86
85 and over	13
Less than 65	35

Conditions of Medicare patients treated by Dr. Peter A. Johnstone, MD in 2014

Hypertension	68
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	38
Depression	18
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	24
Diabetes	32
Dementia	4
Cancer	64

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Peter A. Johnstone, MD treated as a radiation oncologist in TAMPA, FL during 2015 were radiation therapy.

Volume of procedures performed by Dr. Peter A. Johnstone, MD for Medicare patients.

doctor visit	387
radiation therapy	29

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Johnstone, MD.

**Gender**
Male	540
Female	236

**Ethnicity**
Non-Hispanic White	648
Black	0
Hispanic	60
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	422
From 75 to 84	228
85 and over	50
Less than 65	76

Conditions of Medicare patients treated by Dr. Peter A. Johnstone, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	51
Depression	29
Chronic Kidney Disease	35
Asthma	16
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	24
Diabetes	32
Dementia	4
Cancer	54

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Peter A. Johnstone, MD treated as a radiation oncologist in TAMPA, FL during 2016 were radiation therapy and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. Peter A. Johnstone, MD for Medicare patients.

doctor visit	629
marker placement for prostate radiation therapy	21
radiation therapy	31

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Johnstone, MD.

**Gender**
Male	307
Female	138

**Ethnicity**
Non-Hispanic White	377
Black	28
Hispanic	29
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	125
85 and over	33
Less than 65	39

Conditions of Medicare patients treated by Dr. Peter A. Johnstone, MD in 2016

Hypertension	71
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	45
Depression	23
Chronic Kidney Disease	36
Asthma	19
Osteoperosis	5
Atrial Fibrilation	13
Heart Failure	13
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	8
Cancer	58

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Peter A. Johnstone, MD treated as a radiation oncologist in TAMPA, FL during 2017 were radiation therapy and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. Peter A. Johnstone, MD for Medicare patients.

doctor visit	581
marker placement for prostate radiation therapy	20
radiation therapy	21

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Johnstone, MD.

**Gender**
Male	294
Female	99

**Ethnicity**
Non-Hispanic White	323
Black	27
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	198
From 75 to 84	135
85 and over	30
Less than 65	30

Conditions of Medicare patients treated by Dr. Peter A. Johnstone, MD in 2017

Hypertension	75
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	45
Depression	22
Chronic Kidney Disease	41
Asthma	7
Osteoperosis	6
Atrial Fibrilation	15
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	33
Dementia	8
Cancer	60

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Peter A. Johnstone, MD treated as a radiation oncologist in TAMPA, FL during 2018 were marker placement for prostate radiation therapy and radiation therapy.

Volume of procedures performed by Dr. Peter A. Johnstone, MD for Medicare patients.

doctor visit	454
marker placement for prostate radiation therapy	17
radiation therapy	15

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Johnstone, MD.

**Gender**
Male	352
Female	135

**Ethnicity**
Non-Hispanic White	410
Black	28
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	271
From 75 to 84	151
85 and over	32
Less than 65	33

Conditions of Medicare patients treated by Dr. Peter A. Johnstone, MD in 2018

Hypertension	74
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	46
Depression	21
Chronic Kidney Disease	35
Asthma	5
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	14
Chronic Obstructive Pulmonary Disease	21
Diabetes	26
Dementia	8
Cancer	64

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Peter A. Johnstone, MD treated as a radiation oncologist in TAMPA, FL during 2019 were marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. Peter A. Johnstone, MD for Medicare patients.

doctor visit	536
marker placement for prostate radiation therapy	15

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Johnstone, MD.

**Gender**
Male	420
Female	167

**Ethnicity**
Non-Hispanic White	505
Black	23
Hispanic	41
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	313
From 75 to 84	211
85 and over	38
Less than 65	25

Conditions of Medicare patients treated by Dr. Peter A. Johnstone, MD in 2019

Hypertension	75
High Cholesterol	69
Stroke	7
Ischemic Heart Disease	47
Depression	24
Chronic Kidney Disease	40
Asthma	6
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	19
Diabetes	27
Dementia	7
Cancer	66

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Peter A. Johnstone, MD treated as a radiation oncologist in TAMPA, FL during 2020 were radiation therapy.

Volume of procedures performed by Dr. Peter A. Johnstone, MD for Medicare patients.

doctor visit	441
radiation therapy	14

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Johnstone, MD.

**Gender**
Male	307
Female	94

**Ethnicity**
Non-Hispanic White	334
Black	0
Hispanic	25
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	218
From 75 to 84	146
85 and over	16
Less than 65	21

Conditions of Medicare patients treated by Dr. Peter A. Johnstone, MD in 2020

Hypertension	71
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	43
Depression	22
Chronic Kidney Disease	41
Asthma	6
Osteoperosis	5
Atrial Fibrilation	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	18
Diabetes	27
Dementia	8
Cancer	69

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Peter A. Johnstone, MD treated as a radiation oncologist in TAMPA, FL during 2021 were radiation therapy.

Volume of procedures performed by Dr. Peter A. Johnstone, MD for Medicare patients.

doctor visit	300
radiation therapy	17

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Johnstone, MD.

**Gender**
Male	207
Female	35

**Ethnicity**
Non-Hispanic White	215
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	80
85 and over	15
Less than 65	12

Conditions of Medicare patients treated by Dr. Peter A. Johnstone, MD in 2021

Hypertension	71
High Cholesterol	69
Stroke	5
Ischemic Heart Disease	43
Depression	20
Chronic Kidney Disease	40
Asthma	5
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	9
Cancer	73

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Peter A. Johnstone, MD treated as a radiation oncologist in TAMPA, FL during 2022 were radiation therapy.

Volume of procedures performed by Dr. Peter A. Johnstone, MD for Medicare patients.

doctor visit	334
radiation therapy	14

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter A. Johnstone, MD.

**Gender**
Male	230
Female	71

**Ethnicity**
Non-Hispanic White	260
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	158
From 75 to 84	120
85 and over	11
Less than 65	12

Conditions of Medicare patients treated by Dr. Peter A. Johnstone, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	32
Depression	15
Chronic Kidney Disease	32
Asthma	5
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Peter A. Johnstone, MD for Medicare patients.

The highest averages for the top procedures that Dr. Peter A. Johnstone, MD treated as a radiation oncologist in TAMPA, FL were radiation therapy.

doctor visit	401
radiation therapy	19

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Peter A. Johnstone, MD.

**Gender**
Male	270
Female	104

**Ethnicity**
Black / African American	14
Asian / Pacific Islander	0
Non-Hispanic White	312
Native American / Alaskan Native	0
Hispanic	19
Other	2

**Age**
75 to 84	122
85 and over	21
Less than 65	25
65 to 74	200

Average of Total of Conditions of Medicare patients treated by Dr. Peter A. Johnstone, MD From 2012 - 2022

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

Hypertension	65
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	38
Depression	20
Chronic Kidney Disease	32
Asthma	7
Osteoporosis	5
Heart Failure	13
Chronic Obstructive Pulmonary Disease	17
Diabetes	27
Atrial Fibrillation	12
Dementia	5
Cancer	59

Education & Training

Dr. Peter A. Johnstone, MD graduated from Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine in 1989. This provider completed residency at National Cancer Institute. This provider is certified by the American Board of Radiology and has a state license in Florida.

Medical School: Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine (1989)

Residency: National Cancer Institute

Board Certification: American Board of Radiology

Licensed In: Florida

Affiliations & Hospitals

Dr. Peter A. Johnstone, MD is associated with these hospitals and organizations:

H LEE MOFFITT CANCER CTR AND RES INST LIFE TIME CANCER SCRN CTR INC

Ratings & Reviews

Dr. Peter A. Johnstone, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 3 ratings. We collect ratings and reviews of Dr. Peter A. Johnstone, MD from all over the web to help you find the right in TAMPA, FL.

Overall Rating

(3 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2024-01-17

Patient verified via Press Ganey

Provider showed patience and was open to all my questions.

Overall Rating: 5.0 2023-01-28

Patient verified via Press Ganey

Very good follow through in answering my questions.

Overall Rating: 5.0 2022-10-18

Patient verified via Press Ganey

The whole team provided excellent service

General Payments

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

**Payments by Company**
Novocure Inc.	$4,713 Optune $4,713
Varian Medical Systems, Inc.	$1,801 Eclipse $436	TrueBeam $384	Proton System $214	Brachy Products $86	ProBeam $65	Other $617
VIEWRAY TECHNOLOGIES INC	$427 MRIDIAN $427
IBA Proton Therapy, Inc.	$169 $169

**Types of Payments**
Honoraria	$3,150
Travel and Lodging	$2,768
Food and Beverage	$1,193

Biography

Dr. Peter Johnstone is a specialist in radiation oncology. On average, patients gave Dr. Johnstone a rating of 5.0 stars (out of 5). After attending Uniformed Services University of the Health Sciences, F. Edward Hébert School of Medicine, Dr. Johnstone completed Dr. Johnstone's residency training at National Cancer Institute. Doctor.com reports that Dr. Johnstone is accepting new patients at Dr. Johnstone's office in Tampa, FL.