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Dr. Donald Peter Messersmith, MD

Accepting New Patients

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Specializes in: Adult Cardiology

University of Miami, Miller School of Medicine (1976)

150 N Sykes Creek Parkway Suite 300
Merritt Island, FL 32953

(321) 452-3811

Dr. Donald Peter Messersmith, MD is a cardiologist in Merritt Island, FL specializing in adult cardiology. He graduated from University of Miami, Miller School of Medicine in 1976 and has 50 years of experience. Dr. Donald Peter Messersmith, MD is affiliated with STEWARD MEDICAL GROUP INC.

Office Locations

150 N Sykes Creek Parkway Suite 300
Merritt Island, FL 32953

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8055 Spyglass Hill Road Suite 102
Melbourne, FL 32940

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Noteworthy Medicare Patient Procedures Performed by Dr. Donald Peter Messersmith, MD in 2023

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

Top 25%

By Volume:

blood tests

prothrombin time test

In 2012, Dr. Donald Peter Messersmith, MD performed more blood tests, and prothrombin time (PT) test procedures for Medicare patients than 75% of providers in related specialties within Florida.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Donald Peter Messersmith, MD treated as a cardiologist in Merritt Island, FL during 2012 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Donald Peter Messersmith, MD for Medicare patients.

ambulatory monitoring	21
blood draw	167
cardiac procedures	518
doctor visit	3794
lab tests	1396
stress testing	190
ultrasound (sonogram)	307

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Donald Peter Messersmith, MD treated as a cardiologist in Merritt Island, FL during 2013 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Donald Peter Messersmith, MD for Medicare patients.

blood draw	104
cardiac procedures	590
doctor visit	3477
hospital care	145
inpatient care	145
lab tests	1267
stress testing	165
ultrasound (sonogram)	425

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Peter Messersmith, MD.

**Gender**
Male	734
Female	669

**Ethnicity**
Non-Hispanic White	1335
Black	41
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	409
From 75 to 84	608
85 and over	320
Less than 65	66

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	67
Depression	18
Chronic Kidney Disease	29
Asthma	5
Osteoperosis	11
Atrial Fibrilation	38
Heart Failure	27
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Donald Peter Messersmith, MD treated as a cardiologist in Merritt Island, FL during 2014 were lab tests, cardiac procedures, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. Donald Peter Messersmith, MD for Medicare patients.

ambulatory monitoring	15
blood draw	55
cardiac procedures	705
doctor visit	2932
hospital care	440
inpatient care	440
lab tests	991
stress testing	159
ultrasound (sonogram)	531

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Peter Messersmith, MD.

**Gender**
Male	905
Female	872

**Ethnicity**
Non-Hispanic White	1635
Black	84
Hispanic	37
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	551
From 75 to 84	709
85 and over	399
Less than 65	118

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	63
Depression	20
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	12
Atrial Fibrilation	36
Heart Failure	30
Chronic Obstructive Pulmonary Disease	22
Diabetes	38
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Donald Peter Messersmith, MD treated as a cardiologist in Merritt Island, FL during 2015 were lab tests, cardiac procedures, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. Donald Peter Messersmith, MD for Medicare patients.

ambulatory monitoring	20
blood draw	85
cardiac procedures	800
doctor visit	2469
hospital care	482
inpatient care	482
lab tests	1108
stress testing	192
ultrasound (sonogram)	588

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Peter Messersmith, MD.

**Gender**
Male	1758
Female	1692

**Ethnicity**
Non-Hispanic White	3200
Black	140
Hispanic	60
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	1088
From 75 to 84	1394
85 and over	744
Less than 65	224

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	62
Depression	18
Chronic Kidney Disease	37
Asthma	14
Osteoperosis	10
Atrial Fibrilation	37
Heart Failure	31
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Donald Peter Messersmith, MD treated as a cardiologist in Merritt Island, FL during 2016 were lab tests, cardiac procedures, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. Donald Peter Messersmith, MD for Medicare patients.

ambulatory monitoring	21
blood draw	51
cardiac procedures	689
doctor visit	2513
hospital care	367
inpatient care	367
lab tests	1078
stress testing	168
ultrasound (sonogram)	500

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Peter Messersmith, MD.

**Gender**
Male	798
Female	794

**Ethnicity**
Non-Hispanic White	1472
Black	73
Hispanic	25
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	496
From 75 to 84	624
85 and over	374
Less than 65	98

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	63
Depression	19
Chronic Kidney Disease	42
Asthma	24
Osteoperosis	10
Atrial Fibrilation	36
Heart Failure	31
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Donald Peter Messersmith, MD treated as a cardiologist in Merritt Island, FL during 2017 were lab tests, cardiac procedures, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. Donald Peter Messersmith, MD for Medicare patients.

ambulatory monitoring	15
blood draw	55
cardiac procedures	578
doctor visit	2601
hospital care	231
inpatient care	231
lab tests	1221
stress testing	132
ultrasound (sonogram)	431

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Peter Messersmith, MD.

**Gender**
Male	893
Female	846

**Ethnicity**
Non-Hispanic White	1606
Black	73
Hispanic	36
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	526
From 75 to 84	745
85 and over	380
Less than 65	88

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	62
Depression	19
Chronic Kidney Disease	43
Asthma	6
Osteoperosis	9
Atrial Fibrilation	33
Heart Failure	28
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Donald Peter Messersmith, MD treated as a cardiologist in Merritt Island, FL during 2018 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Donald Peter Messersmith, MD for Medicare patients.

ambulatory monitoring	19
blood draw	31
cardiac procedures	443
doctor visit	2922
lab tests	689
stress testing	51
ultrasound (sonogram)	373

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Peter Messersmith, MD.

**Gender**
Male	733
Female	704

**Ethnicity**
Non-Hispanic White	1335
Black	52
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	439
From 75 to 84	618
85 and over	336
Less than 65	44

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	59
Depression	16
Chronic Kidney Disease	40
Asthma	5
Osteoperosis	9
Atrial Fibrilation	27
Heart Failure	24
Chronic Obstructive Pulmonary Disease	17
Diabetes	36
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Donald Peter Messersmith, MD treated as a cardiologist in Merritt Island, FL during 2019 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Donald Peter Messersmith, MD for Medicare patients.

ambulatory monitoring	27
blood draw	33
cardiac procedures	494
doctor visit	2821
lab tests	636
stress testing	71
ultrasound (sonogram)	396

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Peter Messersmith, MD.

**Gender**
Male	726
Female	681

**Ethnicity**
Non-Hispanic White	1297
Black	55
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	431
From 75 to 84	623
85 and over	320
Less than 65	33

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	57
Depression	19
Chronic Kidney Disease	40
Asthma	5
Osteoperosis	10
Atrial Fibrilation	26
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	36
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Donald Peter Messersmith, MD treated as a cardiologist in Merritt Island, FL during 2020 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Donald Peter Messersmith, MD for Medicare patients.

ambulatory monitoring	13
blood draw	25
cardiac procedures	508
doctor visit	2427
lab tests	889
stress testing	50
ultrasound (sonogram)	445

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Peter Messersmith, MD.

**Gender**
Male	661
Female	627

**Ethnicity**
Non-Hispanic White	1186
Black	46
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	389
From 75 to 84	557
85 and over	306
Less than 65	36

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	58
Depression	20
Chronic Kidney Disease	42
Asthma	5
Osteoperosis	10
Atrial Fibrilation	25
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	35
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Donald Peter Messersmith, MD treated as a cardiologist in Merritt Island, FL during 2021 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Donald Peter Messersmith, MD for Medicare patients.

ambulatory monitoring	18
cardiac procedures	445
doctor visit	2390
lab tests	650
stress testing	45
ultrasound (sonogram)	382

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Peter Messersmith, MD.

**Gender**
Male	629
Female	604

**Ethnicity**
Non-Hispanic White	1138
Black	43
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	388
From 75 to 84	514
85 and over	296
Less than 65	35

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	60
Depression	19
Chronic Kidney Disease	42
Asthma	5
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	21
Chronic Obstructive Pulmonary Disease	16
Diabetes	38
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Donald Peter Messersmith, MD treated as a cardiologist in Merritt Island, FL during 2022 were cardiac procedures, lab tests, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Donald Peter Messersmith, MD for Medicare patients.

ambulatory monitoring	18
cardiac procedures	398
doctor visit	2052
lab tests	373
stress testing	36
ultrasound (sonogram)	344

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald Peter Messersmith, MD.

**Gender**
Male	577
Female	545

**Ethnicity**
Non-Hispanic White	1032
Black	37
Hispanic	0
Asian	0
Other	27
Native American	0

**Age**
From 65 to 74	331
From 75 to 84	492
85 and over	275
Less than 65	24

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	54
Depression	15
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	18
Atrial Fibrilation	36
Heart Failure	20
Chronic Obstructive Pulmonary Disease	18
Diabetes	39
Dementia	9
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Donald Peter Messersmith, MD for Medicare patients.

The highest averages for the top procedures that Dr. Donald Peter Messersmith, MD treated as a cardiologist in Merritt Island, FL were lab tests, cardiac procedures, ultrasound (sonogram) and hospital care.

ambulatory monitoring	18
blood draw	67
cardiac procedures	560
doctor visit	2763
hospital care	333
inpatient care	333
lab tests	936
stress testing	114
ultrasound (sonogram)	429

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Donald Peter Messersmith, MD.

**Gender**
Male	764
Female	730

**Ethnicity**
Black / African American	58
Asian / Pacific Islander	0
Non-Hispanic White	1385
Native American / Alaskan Native	0
Hispanic	21
Other	6

**Age**
75 to 84	625
85 and over	340
Less than 65	69
65 to 74	458

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

The highest averages of the most common conditions of Medicare patients that Dr. Donald Peter Messersmith, MD treated were high cholesterol, hypertension, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	55
Depression	16
Chronic Kidney Disease	34
Asthma	7
Osteoporosis	10
Heart Failure	23
Chronic Obstructive Pulmonary Disease	16
Diabetes	33
Atrial Fibrillation	28
Dementia	12
Cancer	12

Education & Training

Dr. Donald Peter Messersmith, MD graduated from University of Miami, Miller School of Medicine in 1976. He completed residency at University of Rochester Medical Center. He is certified by the American Board of Internal Medicine and has a state license in Florida.

Medical School: University of Miami, Miller School of Medicine (1976)

Residency: University of Rochester Medical Center

Board Certification: American Board of Internal Medicine

Licensed In: Florida

Affiliations & Hospitals

Dr. Donald Peter Messersmith, MD is associated with these hospitals and organizations:

STEWARD MEDICAL GROUP INC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$912 XARELTO $895	INVOKANA $17
E.R. Squibb & Sons, L.L.C.	$632 ELIQUIS $619	CAMZYOS $13
Novartis Pharmaceuticals Corporation	$575 ENTRESTO $556	LEQVIO $19
Pfizer Inc.	$533 ELIQUIS $427	NURTEC ODT $81	VYNDAQEL $13	VIAGRA $12
Astellas Pharma US Inc	$527 Lexiscan $319	$208
Other	$2,333 BRILINTA $426	Repatha $403	LifeVest $188	Pradaxa $170	PRALUENT $143	Other $1,003

**Types of Payments**
Food and Beverage	$5,290
Education	$222

Biography

Dr. Donald Messersmith's medical specialty is adult cardiology. He studied medicine at the University of Miami, Miller School of Medicine. For his residency, Dr. Messersmith trained at the University of Rochester Medical Center, National Naval Medical Center, and St. Mary's Hospital, Rochester, New York. According to Doctor.com, he is currently accepting new patients at his office in Melbourne, FL.

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Dr. Donald Peter Messersmith, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Donald Peter Messersmith, MD in 2023

By Volume:

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. Donald Peter Messersmith, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donald Peter Messersmith, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

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

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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