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Home > NY Providers

Dr. Marianne Monahan, MD

Accepting New Patients

(594 Ratings)

Specializes in: Adult Nephrology

University of New England, College of Osteopathic Medicine

222 Westchester Avenue
White Plains, NY 10604

(914) 683-6474

Dr. Marianne Monahan, MD is a nephrologist in Rye, NY specializing in adult nephrology. She graduated from University of New England, College of Osteopathic Medicine. Dr. Marianne Monahan, MD is affiliated with Yale New Haven Health, White Plains Hospital, Greenwich Hospital, Summit Health, Renal Center, Port Chester Dialysis and Renal Center, DaVita Yonkers East Dialysis Center, Stamford Dialysis - DaVita and The Burke Rehabilitation Hospital and Port Chester Dialysis.

Office Locations

1 Theall Road
Rye, NY 10580

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222 Westchester Avenue
White Plains, NY 10604

(914) 683-6474

(914) 683-6780

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3030 Westchester Avenue
Purchase, NY 10577

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644 West Putnam Avenue 2nd Floor
Greenwich, CT 06830

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Noteworthy Medicare Patient Procedures Performed by Dr. Marianne Monahan, MD in 2023

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

Top 5%

By Volume:

creatinine urine test

lab tests

phosphorus blood test

serum folate test

total protein urine test

uric acid blood test

By Affordability:

iron tests

magnesium test

parathyroid hormone test

phosphorus blood test

phosphorus test

total protein test

total protein urine test

uric acid blood test

uric acid test

vitamin B12 test

In 2023, among providers in related specialties within New York, Dr. Marianne Monahan, MD performed more creatinine urine test, lab tests, phosphorus blood test, serum folate test, total protein urine test, and uric acid blood test procedures for Medicare patients than 95% of them and she also had a list price for iron tests, magnesium test, parathyroid hormone (PTH) test, phosphorus blood test, phosphorus test, total protein test, total protein urine test, uric acid blood test, uric acid test, and vitamin B12 test that was lower than the list prices billed to Medicare by 95% of them. 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.

Top 25%

By Volume:

blood draw

complete blood count

inpatient hospital care

phlebotomy for lab tests

By Affordability:

blood draw

blood draw for lab tests

complete blood count

phlebotomy for lab tests

venipuncture

In 2012, among providers in related specialties within New York, Dr. Marianne Monahan, MD performed more blood draw, complete blood count (CBC), inpatient hospital care (for patient admitted to hospital), and phlebotomy for lab tests procedures for Medicare patients than 75% of them and she also had a list price for blood draw, blood draw for lab tests, complete blood count (CBC), phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 75% of them. 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. Marianne Monahan, MD treated as a nephrologist in Rye, NY during 2012 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Marianne Monahan, MD for Medicare patients.

blood draw	335
diabetes management	68
dialysis	141
doctor visit	403
hospital care	704
inpatient care	704
lab tests	1692
preventive care	148
thyroid function tests	35
vaccines	17

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Marianne Monahan, MD treated as a nephrologist in Rye, NY during 2013 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Marianne Monahan, MD for Medicare patients.

blood draw	283
diabetes management	46
dialysis	94
doctor visit	366
hospital care	844
inpatient care	844
lab tests	1426
nursing home care	11
preventive care	109
thyroid function tests	48
vaccines	18

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Marianne Monahan, MD.

**Gender**
Male	224
Female	206

**Ethnicity**
Non-Hispanic White	319
Black	76
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	116
From 75 to 84	143
85 and over	118
Less than 65	53

Conditions of Medicare patients treated by Dr. Marianne Monahan, MD in 2013

Hypertension	75
High Cholesterol	73
Stroke	13
Ischemic Heart Disease	62
Depression	30
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	9
Atrial Fibrilation	26
Heart Failure	57
Chronic Obstructive Pulmonary Disease	25
Diabetes	56
Dementia	28
Cancer	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Marianne Monahan, MD treated as a nephrologist in Rye, NY during 2014 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Marianne Monahan, MD for Medicare patients.

blood draw	247
diabetes management	48
dialysis	135
doctor visit	328
hospital care	619
inpatient care	619
lab tests	1298
preventive care	83
thyroid function tests	34

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Marianne Monahan, MD.

**Gender**
Male	184
Female	175

**Ethnicity**
Non-Hispanic White	258
Black	67
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	101
85 and over	91
Less than 65	48

Conditions of Medicare patients treated by Dr. Marianne Monahan, MD in 2014

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	60
Depression	28
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	8
Atrial Fibrilation	25
Heart Failure	52
Chronic Obstructive Pulmonary Disease	27
Diabetes	53
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Marianne Monahan, MD treated as a nephrologist in Rye, NY during 2015 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Marianne Monahan, MD for Medicare patients.

blood draw	325
diabetes management	68
dialysis	112
doctor visit	366
hospital care	685
inpatient care	685
lab tests	2086
preventive care	132
thyroid function tests	48

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Marianne Monahan, MD.

**Gender**
Male	390
Female	388

**Ethnicity**
Non-Hispanic White	538
Black	134
Hispanic	68
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	250
From 75 to 84	228
85 and over	206
Less than 65	94

Conditions of Medicare patients treated by Dr. Marianne Monahan, MD in 2015

Hypertension	75
High Cholesterol	68
Stroke	12
Ischemic Heart Disease	60
Depression	31
Chronic Kidney Disease	75
Asthma	18
Osteoperosis	6
Atrial Fibrilation	27
Heart Failure	53
Chronic Obstructive Pulmonary Disease	27
Diabetes	55
Dementia	23
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Marianne Monahan, MD treated as a nephrologist in Rye, NY during 2016 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Marianne Monahan, MD for Medicare patients.

blood draw	340
diabetes management	74
dialysis	136
doctor visit	385
hospital care	734
inpatient care	734
lab tests	2137
preventive care	135
thyroid function tests	32

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Marianne Monahan, MD.

**Gender**
Male	208
Female	180

**Ethnicity**
Non-Hispanic White	274
Black	61
Hispanic	38
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	111
85 and over	98
Less than 65	47

Conditions of Medicare patients treated by Dr. Marianne Monahan, MD in 2016

Hypertension	75
High Cholesterol	70
Stroke	11
Ischemic Heart Disease	59
Depression	29
Chronic Kidney Disease	75
Asthma	25
Osteoperosis	7
Atrial Fibrilation	23
Heart Failure	51
Chronic Obstructive Pulmonary Disease	23
Diabetes	55
Dementia	22
Cancer	18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Marianne Monahan, MD treated as a nephrologist in Rye, NY during 2017 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Marianne Monahan, MD for Medicare patients.

blood draw	315
diabetes management	68
dialysis	128
doctor visit	412
hospital care	782
inpatient care	782
lab tests	1992
preventive care	152
thyroid function tests	42
vaccines	13

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Marianne Monahan, MD.

**Gender**
Male	203
Female	201

**Ethnicity**
Non-Hispanic White	292
Black	54
Hispanic	43
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	112
85 and over	106
Less than 65	48

Conditions of Medicare patients treated by Dr. Marianne Monahan, MD in 2017

Hypertension	75
High Cholesterol	71
Stroke	11
Ischemic Heart Disease	57
Depression	34
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	7
Atrial Fibrilation	27
Heart Failure	50
Chronic Obstructive Pulmonary Disease	29
Diabetes	54
Dementia	22
Cancer	18

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Marianne Monahan, MD treated as a nephrologist in Rye, NY during 2018 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Marianne Monahan, MD for Medicare patients.

blood draw	326
diabetes management	71
dialysis	104
doctor visit	406
hospital care	628
inpatient care	628
lab tests	2162
preventive care	151
thyroid function tests	45

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Marianne Monahan, MD.

**Gender**
Male	220
Female	203

**Ethnicity**
Non-Hispanic White	305
Black	55
Hispanic	42
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	146
85 and over	85
Less than 65	57

Conditions of Medicare patients treated by Dr. Marianne Monahan, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	54
Depression	30
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	7
Atrial Fibrilation	24
Heart Failure	48
Chronic Obstructive Pulmonary Disease	23
Diabetes	55
Dementia	18
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Marianne Monahan, MD treated as a nephrologist in Rye, NY during 2019 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Marianne Monahan, MD for Medicare patients.

blood draw	405
diabetes management	64
dialysis	143
doctor visit	529
hospital care	712
inpatient care	712
lab tests	2589
minimally invasive procedures	31
preventive care	170
thyroid function tests	45
vaccines	15

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Marianne Monahan, MD.

**Gender**
Male	228
Female	219

**Ethnicity**
Non-Hispanic White	308
Black	66
Hispanic	47
Asian	11
Other	15
Native American	0

**Age**
From 65 to 74	151
From 75 to 84	145
85 and over	96
Less than 65	55

Conditions of Medicare patients treated by Dr. Marianne Monahan, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	55
Depression	31
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	46
Chronic Obstructive Pulmonary Disease	23
Diabetes	58
Dementia	25
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Marianne Monahan, MD treated as a nephrologist in Rye, NY during 2020 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Marianne Monahan, MD for Medicare patients.

blood draw	351
diabetes management	60
dialysis	129
doctor visit	430
hospital care	789
inpatient care	789
lab tests	2325
preventive care	180
thyroid function tests	32
vaccines	18

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Marianne Monahan, MD.

**Gender**
Male	247
Female	215

**Ethnicity**
Non-Hispanic White	335
Black	55
Hispanic	43
Asian	12
Other	17
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	160
85 and over	108
Less than 65	55

Conditions of Medicare patients treated by Dr. Marianne Monahan, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	57
Depression	31
Chronic Kidney Disease	75
Asthma	6
Osteoperosis	8
Atrial Fibrilation	22
Heart Failure	48
Chronic Obstructive Pulmonary Disease	21
Diabetes	58
Dementia	20
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Marianne Monahan, MD treated as a nephrologist in Rye, NY during 2021 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Marianne Monahan, MD for Medicare patients.

blood draw	352
diabetes management	71
dialysis	122
doctor visit	470
hospital care	660
inpatient care	660
lab tests	2281
preventive care	157
thyroid function tests	39

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Marianne Monahan, MD.

**Gender**
Male	230
Female	213

**Ethnicity**
Non-Hispanic White	303
Black	66
Hispanic	43
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	160
85 and over	105
Less than 65	54

Conditions of Medicare patients treated by Dr. Marianne Monahan, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	55
Depression	30
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	6
Atrial Fibrilation	22
Heart Failure	43
Chronic Obstructive Pulmonary Disease	21
Diabetes	58
Dementia	23
Cancer	19

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Marianne Monahan, MD treated as a nephrologist in Rye, NY during 2022 were lab tests, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Marianne Monahan, MD for Medicare patients.

blood draw	328
diabetes management	58
dialysis	71
doctor visit	500
hospital care	589
inpatient care	589
lab tests	2054
preventive care	131
thyroid function tests	42

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Marianne Monahan, MD.

**Gender**
Male	222
Female	213

**Ethnicity**
Non-Hispanic White	297
Black	61
Hispanic	39
Asian	16
Other	22
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	158
85 and over	93
Less than 65	51

Conditions of Medicare patients treated by Dr. Marianne Monahan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	46
Depression	25
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	12
Atrial Fibrilation	31
Heart Failure	37
Chronic Obstructive Pulmonary Disease	23
Diabetes	55
Dementia	14
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Marianne Monahan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Marianne Monahan, MD treated as a nephrologist in Rye, NY were lab tests, hospital care, inpatient care and blood draw.

blood draw	327
diabetes management	63
dialysis	119
doctor visit	417
hospital care	704
inpatient care	704
lab tests	2003
minimally invasive procedures	31
nursing home care	11
preventive care	140
thyroid function tests	40
vaccines	16

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Marianne Monahan, MD.

**Gender**
Male	214
Female	201

**Ethnicity**
Black / African American	63
Asian / Pacific Islander	3
Non-Hispanic White	293
Native American / Alaskan Native	0
Hispanic	37
Other	4

**Age**
75 to 84	133
85 and over	100
Less than 65	51
65 to 74	130

Average of Total of Conditions of Medicare patients treated by Dr. Marianne Monahan, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	51
Depression	27
Chronic Kidney Disease	68
Asthma	10
Osteoporosis	7
Heart Failure	44
Chronic Obstructive Pulmonary Disease	22
Diabetes	50
Atrial Fibrillation	22
Dementia	19
Cancer	15

Education & Training

Dr. Marianne Monahan, MD graduated from University of New England, College of Osteopathic Medicine. She completed residency at Mount Sinai Medical Center. She is certified by the Board Certification - Nephrology and has a state license in New York.

Medical School: University of New England, College of Osteopathic Medicine

Residency: Mount Sinai Medical Center

Board Certification: Board Certification - Nephrology

Licensed In: New York

Affiliations & Hospitals

Dr. Marianne Monahan, MD is associated with these hospitals and organizations:

Yale New Haven Health

White Plains Hospital

Greenwich Hospital

Summit Health

Renal Center

Port Chester Dialysis and Renal Center

DaVita Yonkers East Dialysis Center

Stamford Dialysis - DaVita

The Burke Rehabilitation Hospital and Port Chester Dialysis

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. Marianne Monahan, MD appears to accept the following insurance providers: Private Healthcare Systems (PHCS), Health Insurance Plan of New York (HIP), Cigna, ConnectiCare, 1199SEIU, Group Health Incorporated (GHI), Aetna, MultiPlan, UnitedHealthcare, Great-West Healthcare, Empire BlueCross BlueShield, United Healthcare, Oxford Health Plans, Health Net and Medicare.

Insurance Accepted by Provider includes:

According to our sources, Dr. Marianne Monahan, MD accepts the following insurance providers:

Private Healthcare Systems (PHCS)

Health Insurance Plan of New York (HIP)

Cigna

ConnectiCare

1199SEIU

Group Health Incorporated (GHI)

Aetna

MultiPlan

UnitedHealthcare

Great-West Healthcare

Empire BlueCross BlueShield

United Healthcare

Oxford Health Plans

Health Net

Medicare

Ratings & Reviews

Dr. Marianne Monahan, MD has an exceptional overall rating with an average of 4.93 out of 5 stars based on 594 ratings. We collect ratings and reviews of Dr. Marianne Monahan, MD from all over the web to help you find the right in Rye, NY.

4.93

Overall Rating

(594 Ratings)

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General Payments

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

**Payments by Company**
AKEBIA THERAPEUTICS INC	$22 Auryxia $22
Questcor Pharmaceuticals	$13 ACTHAR $13

**Types of Payments**
Food and Beverage	$35

Biography

Dr. Marianne Monahan is a medical specialist in adult nephrology. She is affiliated with White Plains Hospital, Summit Health, and Greenwich Hospital. Before performing her residency at Mount Sinai Medical Center, Dr. Monahan attended Tufts University School of Medicine and the University of New England, College of Osteopathic Medicine for medical school. On average, patients gave her a rating of 5.0 stars (out of 5). She usually is in-network for Health Insurance Plan of New York (HIP), ConnectiCare, and UnitedHealthcare, as well as other insurance carriers. According to Yale New Haven Health, she is currently accepting new patients at her office in Greenwich, CT.