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Dr. Mark Godfrey Parker, MD

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Specializes in: Adult Nephrology

University of Connecticut School of Medicine (1993)

1600 Congress Street Suite B
Portland, ME 04102

(207) 774-5222

Dr. Mark Godfrey Parker, MD is a nephrologist in Portland, ME specializing in adult nephrology. He graduated from University of Connecticut School of Medicine in 1993 and has 33 years of experience. Dr. Mark Godfrey Parker, MD is affiliated with MaineHealth, MaineHealth Maine Medical Center and MaineHealth Accountable Care Organization.

Office Locations

MaineHealth Accountable Care Organization

1600 Congress Street Suite B
Portland, ME 04102

(207) 774-5222

(207) 761-4433

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22 Bramhall Street
Portland, ME 04102

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MaineHealth Accountable Care Organization

43 Baxter Boulevard
Portland, ME 04101

(207) 662-7180

(207) 662-7190

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark Godfrey Parker, MD treated as a nephrologist in Portland, ME during 2012 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Mark Godfrey Parker, MD for Medicare patients.

blood draw	223
dialysis	136
doctor visit	381
hospital care	473
inpatient care	473
lab tests	888
preventive care	29

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Godfrey Parker, MD treated as a nephrologist in Portland, ME during 2013 were hospital care, inpatient care, dialysis and lab tests.

Volume of procedures performed by Dr. Mark Godfrey Parker, MD for Medicare patients.

blood draw	24
dialysis	118
doctor visit	308
hospital care	356
inpatient care	356
lab tests	45

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Godfrey Parker, MD.

**Gender**
Male	243
Female	141

**Ethnicity**
Non-Hispanic White	350
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	52
85 and over	24
Less than 65	206

Conditions of Medicare patients treated by Dr. Mark Godfrey Parker, MD in 2013

Hypertension	75
High Cholesterol	67
Stroke	4
Ischemic Heart Disease	55
Depression	41
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	49
Chronic Obstructive Pulmonary Disease	24
Diabetes	61
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Godfrey Parker, MD treated as a nephrologist in Portland, ME during 2014 were lab tests, hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Mark Godfrey Parker, MD for Medicare patients.

blood draw	107
dialysis	123
doctor visit	329
hospital care	391
inpatient care	391
lab tests	520
preventive care	20

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Godfrey Parker, MD.

**Gender**
Male	270
Female	188

**Ethnicity**
Non-Hispanic White	422
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	74
85 and over	35
Less than 65	209

Conditions of Medicare patients treated by Dr. Mark Godfrey Parker, MD in 2014

Hypertension	75
High Cholesterol	72
Stroke	8
Ischemic Heart Disease	53
Depression	38
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	48
Chronic Obstructive Pulmonary Disease	24
Diabetes	57
Dementia	10
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Godfrey Parker, MD treated as a nephrologist in Portland, ME during 2015 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Mark Godfrey Parker, MD for Medicare patients.

abdominal imaging	63
blood draw	314
dialysis	121
doctor visit	390
hospital care	336
inpatient care	336
lab tests	1441
preventive care	46
ultrasound (sonogram)	63

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Godfrey Parker, MD.

**Gender**
Male	654
Female	468

**Ethnicity**
Non-Hispanic White	1062
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	358
From 75 to 84	280
85 and over	106
Less than 65	378

Conditions of Medicare patients treated by Dr. Mark Godfrey Parker, MD in 2015

Hypertension	75
High Cholesterol	72
Stroke	7
Ischemic Heart Disease	48
Depression	36
Chronic Kidney Disease	75
Asthma	20
Osteoperosis	7
Atrial Fibrilation	21
Heart Failure	47
Chronic Obstructive Pulmonary Disease	25
Diabetes	58
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Godfrey Parker, MD treated as a nephrologist in Portland, ME during 2016 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Godfrey Parker, MD for Medicare patients.

abdominal imaging	84
blood draw	288
dialysis	70
doctor visit	363
hospital care	251
inpatient care	251
lab tests	1315
preventive care	20
ultrasound (sonogram)	84

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Godfrey Parker, MD.

**Gender**
Male	285
Female	215

**Ethnicity**
Non-Hispanic White	481
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	159
From 75 to 84	124
85 and over	58
Less than 65	159

Conditions of Medicare patients treated by Dr. Mark Godfrey Parker, MD in 2016

Hypertension	75
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	49
Depression	40
Chronic Kidney Disease	75
Asthma	25
Osteoperosis	8
Atrial Fibrilation	21
Heart Failure	43
Chronic Obstructive Pulmonary Disease	22
Diabetes	54
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Mark Godfrey Parker, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Godfrey Parker, MD treated as a nephrologist in Portland, ME during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Godfrey Parker, MD for Medicare patients.

hospital care	30
inpatient care	30

Conditions of Medicare patients treated by Dr. Mark Godfrey Parker, MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	0
Depression	75
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	75
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Godfrey Parker, MD treated as a nephrologist in Portland, ME during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Godfrey Parker, MD for Medicare patients.

hospital care	43
inpatient care	43

Conditions of Medicare patients treated by Dr. Mark Godfrey Parker, MD in 2019

Hypertension	75
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	48
Depression	0
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	61
Chronic Obstructive Pulmonary Disease	0
Diabetes	57
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark Godfrey Parker, MD treated as a nephrologist in Portland, ME during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Godfrey Parker, MD for Medicare patients.

hospital care	37
inpatient care	37

Conditions of Medicare patients treated by Dr. Mark Godfrey Parker, MD in 2020

Hypertension	75
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	50
Depression	58
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	71
Chronic Obstructive Pulmonary Disease	0
Diabetes	71
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Godfrey Parker, MD treated as a nephrologist in Portland, ME during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Godfrey Parker, MD for Medicare patients.

hospital care	65
inpatient care	65

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Godfrey Parker, MD.

**Gender**
Male	25
Female	19

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	21

Conditions of Medicare patients treated by Dr. Mark Godfrey Parker, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	48
Depression	50
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	57
Chronic Obstructive Pulmonary Disease	0
Diabetes	52
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark Godfrey Parker, MD treated as a nephrologist in Portland, ME during 2022 were ultrasound (sonogram), hospital care, inpatient care and abdominal imaging.

Volume of procedures performed by Dr. Mark Godfrey Parker, MD for Medicare patients.

abdominal imaging	30
hospital care	30
inpatient care	30
ultrasound (sonogram)	30

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Godfrey Parker, MD.

**Gender**
Male	34
Female	31

**Age**
From 65 to 74	18
From 75 to 84	24
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Godfrey Parker, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	46
Depression	29
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	32
Heart Failure	49
Chronic Obstructive Pulmonary Disease	23
Diabetes	51
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Mark Godfrey Parker, MD treated as a nephrologist in Portland, ME during 2023 were ultrasound (sonogram) and abdominal imaging.

Volume of procedures performed by Dr. Mark Godfrey Parker, MD for Medicare patients.

abdominal imaging	27
doctor visit	33
ultrasound (sonogram)	27

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Godfrey Parker, MD.

**Gender**
Male	35
Female	27

**Ethnicity**
Non-Hispanic White	50
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	23
From 75 to 84	18
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Godfrey Parker, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	44
Depression	26
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	19
Atrial Fibrilation	34
Heart Failure	48
Chronic Obstructive Pulmonary Disease	18
Diabetes	48
Dementia	0
Cancer	26

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Mark Godfrey Parker, MD treated as a nephrologist in Portland, ME during 2024 were ultrasound (sonogram) and abdominal imaging.

Volume of procedures performed by Dr. Mark Godfrey Parker, MD for Medicare patients.

abdominal imaging	30
doctor visit	13
ultrasound (sonogram)	30

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Godfrey Parker, MD.

**Gender**
Male	40
Female	31

**Age**
From 65 to 74	26
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Godfrey Parker, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	42
Depression	30
Chronic Kidney Disease	75
Asthma	15
Osteoperosis	0
Atrial Fibrilation	27
Heart Failure	41
Chronic Obstructive Pulmonary Disease	17
Diabetes	51
Dementia	15
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Mark Godfrey Parker, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark Godfrey Parker, MD treated as a nephrologist in Portland, ME were lab tests, hospital care, inpatient care and blood draw.

abdominal imaging	46
blood draw	191
dialysis	113
doctor visit	259
hospital care	201
inpatient care	201
lab tests	841
preventive care	28
ultrasound (sonogram)	46

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Mark Godfrey Parker, MD.

**Gender**
Male	122
Female	86

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	181
Hispanic	0
Native American / Alaskan Native	0
Other	1

**Age**
75 to 84	46
85 and over	17
Less than 65	74
65 to 74	63

Average of Total of Conditions of Medicare patients treated by Dr. Mark Godfrey Parker, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Mark Godfrey Parker, MD treated were chronic kidney disease, hypertension, high cholesterol and diabetes.

Hypertension	69
High Cholesterol	66
Stroke	1
Ischemic Heart Disease	37
Depression	32
Chronic Kidney Disease	69
Asthma	6
Osteoporosis	4
Heart Failure	39
Chronic Obstructive Pulmonary Disease	11
Diabetes	48
Atrial Fibrillation	13
Cancer	6
Dementia	4

Education & Training

Dr. Mark Godfrey Parker, MD graduated from University of Connecticut School of Medicine in 1993. He completed residency at Tufts Medical Center. He is certified by the Board Certification: Internal Medicine and has a state license in Maine.

Medical School: University of Connecticut School of Medicine (1993)

Residency: Tufts Medical Center (1992)

Board Certification: Board Certification: Internal Medicine (1992)

Licensed In: Maine

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Biography

Dr. Mark Parker is an adult nephrology specialist. Dr. Parker is affiliated with MaineHealth. He studied medicine at the University of Connecticut School of Medicine. For his professional training, Dr. Parker completed a residency program at Tufts Medical Center.