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Dr. Gregory Clayton Connolly, MD

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(Gregory Clayton Connolly, MD)

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Specializes in: Critical Care (Intensive Care Medicine)

SUNY, University at Buffalo School of Medicine & Biomedical Sciences (2004)

127 North Street
Batavia, NY 14020

(585) 344-5252

Dr. Gregory Clayton Connolly, MD is an intensivist in Rochester, NY specializing in critical care (intensive care medicine). He graduated from SUNY, University at Buffalo School of Medicine & Biomedical Sciences in 2004 and has 22 years of experience. Dr. Gregory Clayton Connolly, MD is affiliated with United Memorial Hospital, Rochester Regional Health and Rochester General Hospital (RGH).

Office Locations

20 Hagen Drive Suite 100
Rochester, NY 14625

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127 North Street
Batavia, NY 14020

(585) 344-5252

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1425 Portland Avenue
Rochester, NY 14621

(585) 922-4020

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20 Hagen Drive Suite 100 Rochester Ny
Penfield, NY 14625

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Noteworthy Medicare Patient Procedures Performed by Dr. Gregory Clayton Connolly, MD in 2024

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

Top 25%

By Affordability:

hospital care

inpatient hospital care

In 2012, Dr. Gregory Clayton Connolly, MD had a list price for hospital care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within New York. 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

The top procedures that Dr. Gregory Clayton Connolly, MD treated as an intensivist in Rochester, NY during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

doctor visit	183
hospital care	40
inpatient care	40

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory Clayton Connolly, MD treated as an intensivist in Rochester, NY during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

doctor visit	238
hospital care	61
inpatient care	61

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Clayton Connolly, MD.

**Gender**
Male	60
Female	66

**Ethnicity**
Non-Hispanic White	96
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	39
From 75 to 84	0
85 and over	0
Less than 65	57

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2013

Hypertension	62
High Cholesterol	42
Stroke	10
Ischemic Heart Disease	39
Depression	26
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	30
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	0
Cancer	29

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory Clayton Connolly, MD treated as an intensivist in Rochester, NY during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

doctor visit	176
hospital care	119
inpatient care	119

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Clayton Connolly, MD.

**Gender**
Male	62
Female	61

**Ethnicity**
Non-Hispanic White	96
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	0
85 and over	0
Less than 65	50

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2014

Hypertension	63
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	33
Depression	30
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	12
Diabetes	36
Dementia	0
Cancer	23

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory Clayton Connolly, MD treated as an intensivist in Rochester, NY during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

doctor visit	148
hospital care	70
inpatient care	70

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Clayton Connolly, MD.

**Gender**
Male	96
Female	100

**Ethnicity**
Non-Hispanic White	150
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	0
85 and over	0
Less than 65	56

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2015

Hypertension	74
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	41
Depression	45
Chronic Kidney Disease	45
Asthma	17
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	33
Chronic Obstructive Pulmonary Disease	27
Diabetes	44
Dementia	11
Cancer	34

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory Clayton Connolly, MD treated as an intensivist in Rochester, NY during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

doctor visit	297
hospital care	68
inpatient care	68

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Clayton Connolly, MD.

**Gender**
Male	57
Female	86

**Ethnicity**
Non-Hispanic White	121
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	30
85 and over	22
Less than 65	37

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2016

Hypertension	69
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	32
Depression	31
Chronic Kidney Disease	39
Asthma	25
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	27
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	12
Cancer	34

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory Clayton Connolly, MD treated as an intensivist in Rochester, NY during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

doctor visit	265
hospital care	35
inpatient care	35

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Clayton Connolly, MD.

**Gender**
Male	56
Female	74

**Ethnicity**
Non-Hispanic White	113
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	53
From 75 to 84	41
85 and over	17
Less than 65	19

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2017

Hypertension	75
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	45
Depression	31
Chronic Kidney Disease	52
Asthma	14
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	38
Chronic Obstructive Pulmonary Disease	21
Diabetes	40
Dementia	21
Cancer	39

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

doctor visit	257

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Clayton Connolly, MD.

**Gender**
Male	52
Female	73

**Ethnicity**
Non-Hispanic White	105
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	24
85 and over	18
Less than 65	25

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2018

Hypertension	73
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	40
Depression	27
Chronic Kidney Disease	42
Asthma	0
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	29
Chronic Obstructive Pulmonary Disease	18
Diabetes	42
Dementia	14
Cancer	44

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

doctor visit	329

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Clayton Connolly, MD.

**Gender**
Male	76
Female	88

**Ethnicity**
Non-Hispanic White	148
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	39
85 and over	18
Less than 65	31

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2019

Hypertension	74
High Cholesterol	60
Stroke	8
Ischemic Heart Disease	41
Depression	34
Chronic Kidney Disease	46
Asthma	9
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	32
Chronic Obstructive Pulmonary Disease	26
Diabetes	42
Dementia	13
Cancer	44

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

doctor visit	200

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Clayton Connolly, MD.

**Gender**
Male	57
Female	72

**Age**
From 65 to 74	54
From 75 to 84	33
85 and over	18
Less than 65	24

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2020

Hypertension	69
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	38
Depression	29
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	33
Chronic Obstructive Pulmonary Disease	19
Diabetes	38
Dementia	16
Cancer	42

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory Clayton Connolly, MD treated as an intensivist in Rochester, NY during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

doctor visit	276
hospital care	28
inpatient care	28

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Clayton Connolly, MD.

**Gender**
Male	72
Female	90

**Ethnicity**
Non-Hispanic White	138
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	46
85 and over	17
Less than 65	28

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2021

Hypertension	67
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	39
Depression	23
Chronic Kidney Disease	40
Asthma	7
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	37
Dementia	14
Cancer	40

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

doctor visit	286

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Clayton Connolly, MD.

**Gender**
Male	69
Female	100

**Ethnicity**
Non-Hispanic White	146
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	67
From 75 to 84	49
85 and over	29
Less than 65	24

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2022

Hypertension	75
High Cholesterol	68
Stroke	9
Ischemic Heart Disease	32
Depression	26
Chronic Kidney Disease	32
Asthma	8
Osteoperosis	12
Atrial Fibrilation	25
Heart Failure	23
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	11
Cancer	56

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

doctor visit	430

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Clayton Connolly, MD.

**Gender**
Male	74
Female	87

**Ethnicity**
Non-Hispanic White	142
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	47
85 and over	27
Less than 65	24

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2023

Hypertension	75
High Cholesterol	70
Stroke	13
Ischemic Heart Disease	34
Depression	27
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	12
Atrial Fibrilation	29
Heart Failure	29
Chronic Obstructive Pulmonary Disease	22
Diabetes	35
Dementia	0
Cancer	50

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Gregory Clayton Connolly, MD treated as an intensivist in Rochester, NY during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

doctor visit	369
hospital care	11
inpatient care	11

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Clayton Connolly, MD.

**Gender**
Male	100
Female	108

**Ethnicity**
Non-Hispanic White	183
Black	11
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	71
85 and over	36
Less than 65	29

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	33
Depression	28
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	13
Atrial Fibrilation	27
Heart Failure	28
Chronic Obstructive Pulmonary Disease	22
Diabetes	33
Dementia	10
Cancer	52

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Gregory Clayton Connolly, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory Clayton Connolly, MD treated as an intensivist in Rochester, NY were hospital care and inpatient care.

doctor visit	265
hospital care	54
inpatient care	54

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Gregory Clayton Connolly, MD.

**Gender**
Male	63
Female	77

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	110
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	29
85 and over	15
Less than 65	31
65 to 74	55

Average of Total of Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Gregory Clayton Connolly, MD treated were hypertension, high cholesterol, cancer and chronic kidney disease.

Hypertension	65
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	34
Depression	27
Chronic Kidney Disease	36
Asthma	8
Osteoporosis	5
Heart Failure	26
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Atrial Fibrillation	15
Cancer	37
Dementia	9

Education & Training

Dr. Gregory Clayton Connolly, MD graduated from SUNY, University at Buffalo School of Medicine & Biomedical Sciences in 2004. He completed residency at University of Rochester. He is certified by the Medical Oncology, American Board of Internal Medicine and has a state license in New York.

Medical School: SUNY, University at Buffalo School of Medicine & Biomedical Sciences (2004)

Residency: University of Rochester (2008)

Board Certification: Medical Oncology, American Board of Internal Medicine (2026)

Licensed In: New York

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Gregory Clayton Connolly, MD appears to accept the following insurance providers: Emblem Health, MVP, Wellcare of New York, Multiplan, Empire Plan, Aetna, Martin's Point - US Family Health Plan, POMCO, Magnacare, United Healthcare, Medicare, NY Medicaid, Humana, Cigna Healthcare, Fidelis Care of NY, TriCare, HealthNow NY, YourCare Health Plan, Lifetime Benefits (formerly RMSCO), ElderONE, MetraComp, North American Administrators, First Niagara Business Works, CareIQ, Excellus BCBS, OneCall Medical, Health Republic, Independent Health, Highmark Blue Cross Blue Shield, CorVel, Medicare Advantage, Guardian, Molina Healthcare, MetLife Dental, ValueOptions, Health Economics Group Dental, Government Employees Health Association (GEHA) Dental, Univera Healthcare, Excellus BlueCross BlueShield (BCBS), Veterans Administration (VA), Lifetime Benefits (RMSCO), HealthPlex, DeCare Dental, Independent Health CommercialMedicare, FedMed Dental, DentaQuest, Aetna Healthcare, First Niagara Business Works (Key Insurance), Liberty Dental and Excellus BlueCross BlueShield (BCBS) Dental.

Insurance Accepted by Provider includes:

According to our sources, Dr. Gregory Clayton Connolly, MD accepts the following insurance providers:

Emblem Health

MVP

Wellcare of New York

Multiplan

Empire Plan

Aetna

Martin's Point - US Family Health Plan

POMCO

Magnacare

United Healthcare

Medicare

NY Medicaid

Humana

Cigna Healthcare

Fidelis Care of NY

TriCare

HealthNow NY

YourCare Health Plan

Lifetime Benefits (formerly RMSCO)

ElderONE

MetraComp

North American Administrators

First Niagara Business Works

CareIQ

Excellus BCBS

OneCall Medical

Health Republic

Independent Health

Highmark Blue Cross Blue Shield

CorVel

Medicare Advantage

Guardian

Molina Healthcare

MetLife Dental

ValueOptions

Health Economics Group Dental

Government Employees Health Association (GEHA) Dental

Univera Healthcare

Excellus BlueCross BlueShield (BCBS)

Veterans Administration (VA)

Lifetime Benefits (RMSCO)

HealthPlex

DeCare Dental

Independent Health CommercialMedicare

FedMed Dental

DentaQuest

Aetna Healthcare

First Niagara Business Works (Key Insurance)

Liberty Dental

Excellus BlueCross BlueShield (BCBS) Dental

Ratings & Reviews

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General Payments

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

**Payments by Company**
Novartis Pharmaceuticals Corporation	$219 AFINITOR $101	JADENU $55	KISQALI $31	RYDAPT $20	FARYDAK $12
E.R. Squibb & Sons, L.L.C.	$193 OPDIVO $113	SPRYCEL $42	EMPLICITI $37
Novo Nordisk Inc	$162 Novoeight $129	NovoSeven RT $15	$18
Amgen Inc.	$144 Vectibix $92	Kyprolis $28	XGEVA $24
Janssen Biotech, Inc.	$127 DARZALEX $79	IMBRUVICA $48
Other	$784 XARELTO $77	Abraxane $70	ZYTIGA $58	KEYTRUDA $49	BOSULIF $44	Other $486

**Types of Payments**
Food and Beverage	$1,312
Education	$317

Research Payments

Dr. Gregory Clayton Connolly, MD has received 7 research payments totaling $23,701.

Biography

Dr. Gregory Connolly is a hematologist at the Lipson Cancer Institute of Rochester Regional Health.

Select Year:

Dr. Gregory Clayton Connolly, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Gregory Clayton Connolly, MD in 2024

By Affordability:

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. Gregory Clayton Connolly, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Gregory Clayton Connolly, MD From 2012 - 2024

Education & Training

Insurance Information

Ratings & Reviews

General Payments

Research Payments

Biography

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