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Melissa A. Oneill, APRN

Accepting New Patients

(Melissa A. O'Neill, APRN)

(3 Ratings)

Specializes in: Internal Medicine (Adult Medicine), Hematology (Blood Disorders) and Geriatrics (Elderly Care)

Professional interests include: cancer

5 Founders Street Suite 200
Willimantic, CT 06226

(860) 456-5330

Melissa A. Oneill, APRN is a nurse in Willimantic, CT specializing in internal medicine (adult medicine), hematology (blood disorders) and geriatrics (elderly care). Melissa A. Oneill, APRN is affiliated with Hartford Healthcare, THE WILLIAM W BACKUS HOSPITAL, Hartford HealthCare Medical Group Integrated Care Partners and WINDHAM COMMUNITY MEMORIAL HOSPITAL, INC.

Office Locations

Hartford HealthCare Medical Group Integrated Care Partners

112 Mansfield Avenue
Willimantic, CT 06226

1-855-255-6181

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Hartford HealthCare Medical Group Integrated Care Partners

5 Founders Street Suite 200
Willimantic, CT 06226

(860) 456-5330

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Hartford HealthCare Medical Group Integrated Care Partners

80 Fisher Drive
Avon, CT 06001

(860) 674-0088

(860) 677-7863

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85 Retreat Avenue
Hartford, CT 06106

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Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Melissa A. Oneill, APRN treated as a nurse in Willimantic, CT during 2016 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Melissa A. Oneill, APRN for Medicare patients.

blood draw	35
doctor visit	56
hospital care	12
inpatient care	12
lab tests	58

2016 Medicare Patient Data

Information about Medicare patients treated by Melissa A. Oneill, APRN.

**Gender**
Male	28
Female	41

**Ethnicity**
Non-Hispanic White	56
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	11
Less than 65	11

Conditions of Medicare patients treated by Melissa A. Oneill, APRN in 2016

The most common conditions of Medicare patients that Melissa A. Oneill, APRN treated during 2016 were hypertension, high cholesterol, cancer and chronic kidney disease.

Hypertension	67
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	41
Asthma	20
Osteoperosis	0
Atrial Fibrilation	19
Heart Failure	28
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	0
Cancer	45

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Melissa A. Oneill, APRN for Medicare patients.

doctor visit	180

2017 Medicare Patient Data

Information about Medicare patients treated by Melissa A. Oneill, APRN.

**Gender**
Male	78
Female	76

**Ethnicity**
Non-Hispanic White	123
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	49
85 and over	24
Less than 65	23

Conditions of Medicare patients treated by Melissa A. Oneill, APRN in 2017

The most common conditions of Medicare patients that Melissa A. Oneill, APRN treated during 2017 were hypertension, high cholesterol, chronic kidney disease and cancer.

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	34
Depression	29
Chronic Kidney Disease	45
Asthma	9
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	25
Chronic Obstructive Pulmonary Disease	21
Diabetes	31
Dementia	8
Cancer	40

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Melissa A. Oneill, APRN treated as a nurse in Willimantic, CT during 2018 were hospital care and inpatient care.

Volume of procedures performed by Melissa A. Oneill, APRN for Medicare patients.

doctor visit	335
hospital care	43
inpatient care	43

2018 Medicare Patient Data

Information about Medicare patients treated by Melissa A. Oneill, APRN.

**Gender**
Male	113
Female	131

**Ethnicity**
Non-Hispanic White	192
Black	0
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	75
85 and over	32
Less than 65	40

Conditions of Medicare patients treated by Melissa A. Oneill, APRN in 2018

The most common conditions of Medicare patients that Melissa A. Oneill, APRN treated during 2018 were hypertension, high cholesterol, cancer and chronic kidney disease.

Hypertension	75
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	36
Depression	38
Chronic Kidney Disease	44
Asthma	13
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	32
Chronic Obstructive Pulmonary Disease	27
Diabetes	38
Dementia	12
Cancer	45

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Melissa A. Oneill, APRN treated as a nurse in Willimantic, CT during 2019 were hospital care and inpatient care.

Volume of procedures performed by Melissa A. Oneill, APRN for Medicare patients.

doctor visit	366
hospital care	19
inpatient care	19

2019 Medicare Patient Data

Information about Medicare patients treated by Melissa A. Oneill, APRN.

**Gender**
Male	93
Female	92

**Ethnicity**
Non-Hispanic White	148
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	65
From 75 to 84	59
85 and over	20
Less than 65	41

Conditions of Medicare patients treated by Melissa A. Oneill, APRN in 2019

The most common conditions of Medicare patients that Melissa A. Oneill, APRN treated during 2019 were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	74
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	34
Depression	46
Chronic Kidney Disease	46
Asthma	12
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	24
Chronic Obstructive Pulmonary Disease	0
Diabetes	37
Dementia	9
Cancer	42

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Melissa A. Oneill, APRN for Medicare patients.

doctor visit	226

2020 Medicare Patient Data

Information about Medicare patients treated by Melissa A. Oneill, APRN.

**Gender**
Male	56
Female	65

**Ethnicity**
Non-Hispanic White	100
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	34
From 75 to 84	49
85 and over	15
Less than 65	23

Conditions of Medicare patients treated by Melissa A. Oneill, APRN in 2020

The most common conditions of Medicare patients that Melissa A. Oneill, APRN treated during 2020 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	75
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	36
Depression	37
Chronic Kidney Disease	47
Asthma	11
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	31
Chronic Obstructive Pulmonary Disease	21
Diabetes	40
Dementia	18
Cancer	30

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Melissa A. Oneill, APRN for Medicare patients.

doctor visit	228

2021 Medicare Patient Data

Information about Medicare patients treated by Melissa A. Oneill, APRN.

**Gender**
Male	58
Female	42

**Ethnicity**
Non-Hispanic White	81
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	33
From 75 to 84	29
85 and over	20
Less than 65	18

Conditions of Medicare patients treated by Melissa A. Oneill, APRN in 2021

The most common conditions of Medicare patients that Melissa A. Oneill, APRN treated during 2021 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	34
Depression	37
Chronic Kidney Disease	58
Asthma	12
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	30
Chronic Obstructive Pulmonary Disease	24
Diabetes	40
Dementia	22
Cancer	29

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Melissa A. Oneill, APRN for Medicare patients.

doctor visit	309

2022 Medicare Patient Data

Information about Medicare patients treated by Melissa A. Oneill, APRN.

**Gender**
Male	54
Female	67

**Ethnicity**
Non-Hispanic White	104
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	46
From 75 to 84	28
85 and over	28
Less than 65	19

Conditions of Medicare patients treated by Melissa A. Oneill, APRN in 2022

The most common conditions of Medicare patients that Melissa A. Oneill, APRN treated during 2022 were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	75
High Cholesterol	74
Stroke	17
Ischemic Heart Disease	33
Depression	31
Chronic Kidney Disease	32
Asthma	17
Osteoperosis	16
Atrial Fibrilation	18
Heart Failure	26
Chronic Obstructive Pulmonary Disease	24
Diabetes	31
Dementia	9
Cancer	31

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Melissa A. Oneill, APRN for Medicare patients.

doctor visit	251

2023 Medicare Patient Data

Information about Medicare patients treated by Melissa A. Oneill, APRN.

**Gender**
Male	43
Female	65

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

**Age**
From 65 to 74	33
From 75 to 84	35
85 and over	23
Less than 65	17

Conditions of Medicare patients treated by Melissa A. Oneill, APRN in 2023

The most common conditions of Medicare patients that Melissa A. Oneill, APRN treated during 2023 were high cholesterol, hypertension, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	35
Depression	28
Chronic Kidney Disease	36
Asthma	13
Osteoperosis	19
Atrial Fibrilation	25
Heart Failure	30
Chronic Obstructive Pulmonary Disease	28
Diabetes	39
Dementia	0
Cancer	28

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2016 - 2023

Volume of procedures performed by Melissa A. Oneill, APRN for Medicare patients.

The highest averages for the top procedures that Melissa A. Oneill, APRN treated as a nurse in Willimantic, CT were lab tests, blood draw, hospital care and inpatient care.

blood draw	35
doctor visit	243
hospital care	24
inpatient care	24
lab tests	58

Average Medicare Patient Data From 2016 - 2023

Information about Medicare patients treated by Melissa A. Oneill, APRN.

**Gender**
Male	65
Female	72

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	112
Native American / Alaskan Native	0
Hispanic	7
Other	0

**Age**
75 to 84	43
85 and over	21
Less than 65	24
65 to 74	48

Average of Total of Conditions of Medicare patients treated by Melissa A. Oneill, APRN From 2016 - 2023

The highest averages of the most common conditions of Medicare patients that Melissa A. Oneill, APRN treated were hypertension, high cholesterol, chronic kidney disease and cancer.

Hypertension	73
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	34
Depression	34
Chronic Kidney Disease	43
Asthma	13
Osteoporosis	11
Heart Failure	28
Chronic Obstructive Pulmonary Disease	18
Diabetes	35
Atrial Fibrillation	18
Cancer	36
Dementia	9

Education & Training

She has a state license in Connecticut.

Licensed In: Connecticut

Affiliations & Hospitals

Melissa A. Oneill, APRN is associated with these hospitals and organizations:

Hartford Healthcare

THE WILLIAM W BACKUS HOSPITAL

Hartford HealthCare Medical Group Integrated Care Partners

WINDHAM COMMUNITY MEMORIAL HOSPITAL, INC

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.

Melissa A. Oneill, APRN appears to accept the following insurance providers: CorVel, Great-West Healthcare, WellCare, Evercare, MultiPlan, United Healthcare, Aetna, Oxford Health Plans, Coventry, Cigna, Anthem, ConnectiCare, Focus Health Solutions, Prime Health, First Health, Private Healthcare Systems (PHCS), CarePartners of Connecticut, Senior Whole Health, Health Direct, Colonial Cooperative Care, BCBS Medicare, Inc., Health Connecticut, Health New England, Healthy Connecticut, Connecticare Commercial, Essence Healthcare, Connecticare Medicare, Community Health Network of Connecticut and Northeast Health Direct.

Insurance Accepted by Provider includes:

According to our sources, Melissa A. Oneill, APRN accepts the following insurance providers:

CorVel

Great-West Healthcare

WellCare

Evercare

MultiPlan

United Healthcare

Aetna

Oxford Health Plans

Coventry

Cigna

Anthem

ConnectiCare

Focus Health Solutions

Prime Health

First Health

Private Healthcare Systems (PHCS)

CarePartners of Connecticut

Senior Whole Health

Health Direct

Colonial Cooperative Care

BCBS Medicare

Inc.

Health Connecticut

Health New England

Healthy Connecticut

Connecticare Commercial

Essence Healthcare

Connecticare Medicare

Community Health Network of Connecticut

Northeast Health Direct

Ratings & Reviews

Melissa A. Oneill, APRN 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 Melissa A. Oneill, APRN from all over the web to help you find the right in Willimantic, CT.

Overall Rating

(3 Ratings)

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General Payments

These charts describe general payments received by Melissa A. Oneill, APRN. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Mirati Therapeutics, Inc.	$29 KRAZATI $29
Astellas Pharma US Inc	$22 Vyloy $22

**Types of Payments**
Food and Beverage	$51

Biography

Ms. Melissa Oneill specializes in geriatrics (elderly care) and hematology (blood disorders). In her practice, she is particularly interested in cancer. Ms. Oneill has received a 5.0 out of 5 star rating by her patients. She appears to be in-network for Anthem, ConnectiCare, Blue California, and more. Ms. Oneill is affiliated with Hartford Healthcare. She welcomes new patients at her office inAvon, CT as reported by Hartford Healthcare.