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Dr. Daniel M. Greif, MD

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Specializes in: Adult Cardiology

111 Goose Lane
Guilford, CT 06437

(203) 458-2097

Dr. Daniel M. Greif, MD is a cardiologist in Guilford, CT specializing in adult cardiology.

Office Locations

111 Goose Lane
Guilford, CT 06437

(203) 458-2097

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In The News

“The team was headed by Jui Dave, associate research scientist in the Greif Lab and first author of the paper, and Daniel Greif, an associate professor of cardiology at the Yale School of Medicine...”—"Yale study identifies potential target genes to develop therapeutic treatments for heart defect", Yale News, February 2022

“This high blood pressure in the lungs can lead to heart failure in the right side of the heart and ultimate deterioration of patient health, said Daniel Greif, professor of medicine in the...”—"Professor finds likely key to cure for pulmonary hypertension", Yale News, November 2015

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Daniel M. Greif, MD treated as a cardiologist in Guilford, CT during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Daniel M. Greif, MD for Medicare patients.

hospital care	59
inpatient care	59

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Daniel M. Greif, MD treated as a cardiologist in Guilford, CT during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Daniel M. Greif, MD for Medicare patients.

doctor visit	11
hospital care	80
inpatient care	80

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel M. Greif, MD.

**Gender**
Male	49
Female	45

**Ethnicity**
Non-Hispanic White	71
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	23
From 75 to 84	24
85 and over	24
Less than 65	23

Conditions of Medicare patients treated by Dr. Daniel M. Greif, MD in 2013

Hypertension	75
High Cholesterol	66
Stroke	15
Ischemic Heart Disease	68
Depression	35
Chronic Kidney Disease	64
Asthma	16
Osteoperosis	0
Atrial Fibrilation	39
Heart Failure	52
Chronic Obstructive Pulmonary Disease	22
Diabetes	48
Dementia	19
Cancer	19

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Daniel M. Greif, MD treated as a cardiologist in Guilford, CT during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Daniel M. Greif, MD for Medicare patients.

doctor visit	11
hospital care	64
inpatient care	64

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel M. Greif, MD.

**Gender**
Male	36
Female	45

**Ethnicity**
Non-Hispanic White	54
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	27
From 75 to 84	17
85 and over	20
Less than 65	17

Conditions of Medicare patients treated by Dr. Daniel M. Greif, MD in 2014

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	70
Depression	43
Chronic Kidney Disease	53
Asthma	17
Osteoperosis	0
Atrial Fibrilation	43
Heart Failure	59
Chronic Obstructive Pulmonary Disease	26
Diabetes	44
Dementia	30
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Daniel M. Greif, MD treated as a cardiologist in Guilford, CT during 2015 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Daniel M. Greif, MD for Medicare patients.

doctor visit	16
hospital care	78
inpatient care	67
outpatient care	11

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel M. Greif, MD.

**Gender**
Male	104
Female	100

**Ethnicity**
Non-Hispanic White	152
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	62
85 and over	46
Less than 65	28

Conditions of Medicare patients treated by Dr. Daniel M. Greif, MD in 2015

Hypertension	75
High Cholesterol	64
Stroke	16
Ischemic Heart Disease	75
Depression	34
Chronic Kidney Disease	62
Asthma	36
Osteoperosis	0
Atrial Fibrilation	45
Heart Failure	65
Chronic Obstructive Pulmonary Disease	34
Diabetes	40
Dementia	22
Cancer	22

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Daniel M. Greif, MD treated as a cardiologist in Guilford, CT during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Daniel M. Greif, MD for Medicare patients.

doctor visit	15
hospital care	82
inpatient care	82

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel M. Greif, MD.

**Gender**
Male	48
Female	54

**Ethnicity**
Non-Hispanic White	72
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	35
From 75 to 84	30
85 and over	25
Less than 65	12

Conditions of Medicare patients treated by Dr. Daniel M. Greif, MD in 2016

Hypertension	75
High Cholesterol	74
Stroke	18
Ischemic Heart Disease	75
Depression	34
Chronic Kidney Disease	74
Asthma	38
Osteoperosis	0
Atrial Fibrilation	40
Heart Failure	68
Chronic Obstructive Pulmonary Disease	32
Diabetes	51
Dementia	34
Cancer	20

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Daniel M. Greif, MD treated as a cardiologist in Guilford, CT during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Daniel M. Greif, MD for Medicare patients.

doctor visit	11
hospital care	88
inpatient care	88

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel M. Greif, MD.

**Gender**
Male	52
Female	64

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

**Age**
From 65 to 74	36
From 75 to 84	35
85 and over	28
Less than 65	17

Conditions of Medicare patients treated by Dr. Daniel M. Greif, MD in 2017

Hypertension	75
High Cholesterol	63
Stroke	16
Ischemic Heart Disease	75
Depression	44
Chronic Kidney Disease	72
Asthma	14
Osteoperosis	11
Atrial Fibrilation	45
Heart Failure	69
Chronic Obstructive Pulmonary Disease	23
Diabetes	45
Dementia	33
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Daniel M. Greif, MD treated as a cardiologist in Guilford, CT during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Daniel M. Greif, MD for Medicare patients.

hospital care	12
inpatient care	12

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel M. Greif, MD.

**Gender**
Male	15
Female	13

Conditions of Medicare patients treated by Dr. Daniel M. Greif, MD in 2018

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	64
Depression	50
Chronic Kidney Disease	61
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	64
Chronic Obstructive Pulmonary Disease	0
Diabetes	46
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Daniel M. Greif, MD treated as a cardiologist in Guilford, CT during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Daniel M. Greif, MD for Medicare patients.

hospital care	94
inpatient care	94

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel M. Greif, MD.

**Gender**
Male	61
Female	47

**Ethnicity**
Non-Hispanic White	72
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	37
From 75 to 84	29
85 and over	21
Less than 65	21

Conditions of Medicare patients treated by Dr. Daniel M. Greif, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	23
Ischemic Heart Disease	75
Depression	44
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	47
Heart Failure	75
Chronic Obstructive Pulmonary Disease	33
Diabetes	59
Dementia	35
Cancer	19

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Daniel M. Greif, MD treated as a cardiologist in Guilford, CT during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Daniel M. Greif, MD for Medicare patients.

hospital care	48
inpatient care	48

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel M. Greif, MD.

**Gender**
Male	36
Female	30

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

**Age**
From 65 to 74	13
From 75 to 84	15
85 and over	22
Less than 65	16

Conditions of Medicare patients treated by Dr. Daniel M. Greif, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	45
Chronic Kidney Disease	71
Asthma	0
Osteoperosis	18
Atrial Fibrilation	44
Heart Failure	73
Chronic Obstructive Pulmonary Disease	35
Diabetes	58
Dementia	47
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel M. Greif, MD.

**Gender**
Male	22
Female	18

**Age**
From 65 to 74	0
From 75 to 84	14
85 and over	11
Less than 65	0

Conditions of Medicare patients treated by Dr. Daniel M. Greif, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	43
Chronic Kidney Disease	70
Asthma	0
Osteoperosis	0
Atrial Fibrilation	33
Heart Failure	53
Chronic Obstructive Pulmonary Disease	38
Diabetes	40
Dementia	30
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Daniel M. Greif, MD treated as a cardiologist in Guilford, CT during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Daniel M. Greif, MD for Medicare patients.

hospital care	59
inpatient care	59

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel M. Greif, MD.

**Gender**
Male	43
Female	30

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

**Age**
From 65 to 74	25
From 75 to 84	22
85 and over	13
Less than 65	13

Conditions of Medicare patients treated by Dr. Daniel M. Greif, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	32
Ischemic Heart Disease	68
Depression	37
Chronic Kidney Disease	55
Asthma	15
Osteoperosis	0
Atrial Fibrilation	60
Heart Failure	73
Chronic Obstructive Pulmonary Disease	27
Diabetes	49
Dementia	25
Cancer	26

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Daniel M. Greif, MD for Medicare patients.

The highest averages for the top procedures that Dr. Daniel M. Greif, MD treated as a cardiologist in Guilford, CT were hospital care, inpatient care and outpatient care.

doctor visit	12
hospital care	66
inpatient care	65
outpatient care	11

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Daniel M. Greif, MD.

**Gender**
Female	40
Male	42

**Ethnicity**
Black / African American	4
Asian / Pacific Islander	0
Non-Hispanic White	55
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
85 and over	19
75 to 84	22
Less than 65	13
65 to 74	24

Average of Total of Conditions of Medicare patients treated by Dr. Daniel M. Greif, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	63
Stroke	10
Ischemic Heart Disease	65
Depression	37
Chronic Kidney Disease	59
Asthma	12
Osteoporosis	2
Heart Failure	59
Chronic Obstructive Pulmonary Disease	24
Diabetes	43
Atrial Fibrillation	36
Dementia	25
Cancer	13

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

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

**Payments by Company**
Amgen Inc.	$1,095 $1,095

**Types of Payments**
Travel and Lodging	$1,095

Biography

Dr. Daniel Greif, who practices in New Haven, CT and Guilford, CT, is a medical specialist in adult cardiology. He can take Anthem, ConnectiCare, Blue California, and more. Dr. Greif is a graduate of the University of California, San Francisco (UCSF), School of Medicine and Stanford University School of Medicine and a graduate of Brigham and Women's Hospital's residency program. He is professionally affiliated with Yale Medicine and Yale New Haven Health. He is not accepting new patients at this time according to Yale New Haven Health.