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Dr. Catherine Michels Alonzo, MD

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Specializes in: Urology (Urinary Tract Disease)

49 Lake Avenue Suite 201
Greenwich, CT 06830

(203) 869-1285

Dr. Catherine Michels Alonzo, MD is an urologist in Greenwich, CT specializing in urology (urinary tract disease).

Office Locations

49 Lake Avenue Suite 201
Greenwich, CT 06830

(203) 869-1285

(203) 737-8035

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Catherine Michels Alonzo, MD treated as an urologist in Greenwich, CT during 2012 were lab tests, urologic procedures, minimally invasive procedures and anorectal procedures.

Volume of procedures performed by Dr. Catherine Michels Alonzo, MD for Medicare patients.

anorectal procedures	26
catheterization	14
diagnostic procedures	26
doctor visit	806
hospital care	23
inpatient care	23
lab tests	1151
minimally invasive procedures	111
stent placement (stenting)	18
urologic procedures	337

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Catherine Michels Alonzo, MD treated as an urologist in Greenwich, CT during 2013 were lab tests, urologic procedures, minimally invasive procedures and hospital care.

Volume of procedures performed by Dr. Catherine Michels Alonzo, MD for Medicare patients.

anorectal procedures	12
diagnostic procedures	12
doctor visit	840
hospital care	18
inpatient care	18
lab tests	1308
minimally invasive procedures	95
urologic procedures	276

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Michels Alonzo, MD.

**Gender**
Male	112
Female	249

**Ethnicity**
Non-Hispanic White	325
Black	0
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	132
85 and over	92
Less than 65	11

Conditions of Medicare patients treated by Dr. Catherine Michels Alonzo, MD in 2013

Hypertension	62
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	24
Asthma	5
Osteoperosis	16
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	22
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Catherine Michels Alonzo, MD treated as an urologist in Greenwich, CT during 2014 were lab tests, urologic procedures, minimally invasive procedures and anorectal procedures.

Volume of procedures performed by Dr. Catherine Michels Alonzo, MD for Medicare patients.

ablation	16
anorectal procedures	53
catheterization	14
cryotherapy	16
diagnostic procedures	53
doctor visit	1312
hospital care	25
inpatient care	25
lab tests	2150
laser treatment	16
minimally invasive procedures	170
urologic procedures	655

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Michels Alonzo, MD.

**Gender**
Male	290
Female	337

**Ethnicity**
Non-Hispanic White	571
Black	0
Hispanic	21
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	229
85 and over	137
Less than 65	21

Conditions of Medicare patients treated by Dr. Catherine Michels Alonzo, MD in 2014

Hypertension	63
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	31
Depression	19
Chronic Kidney Disease	21
Asthma	5
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	22
Dementia	13
Cancer	19

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Catherine Michels Alonzo, MD treated as an urologist in Greenwich, CT during 2015 were lab tests, urologic procedures, minimally invasive procedures and anorectal procedures.

Volume of procedures performed by Dr. Catherine Michels Alonzo, MD for Medicare patients.

ablation	15
anorectal procedures	63
catheterization	17
cryotherapy	15
diagnostic procedures	63
doctor visit	1146
lab tests	1918
laser treatment	15
minimally invasive procedures	142
urologic procedures	622

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Michels Alonzo, MD.

**Gender**
Male	228
Female	666

**Ethnicity**
Non-Hispanic White	800
Black	0
Hispanic	36
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	312
From 75 to 84	342
85 and over	214
Less than 65	26

Conditions of Medicare patients treated by Dr. Catherine Michels Alonzo, MD in 2015

Hypertension	60
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	16
Asthma	9
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	17
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Catherine Michels Alonzo, MD treated as an urologist in Greenwich, CT during 2016 were lab tests, urologic procedures, minimally invasive procedures and neurostimulation.

Volume of procedures performed by Dr. Catherine Michels Alonzo, MD for Medicare patients.

anorectal procedures	54
catheterization	64
diagnostic procedures	65
doctor visit	1243
lab tests	1707
minimally invasive procedures	220
neurostimulation	76
stent placement (stenting)	16
urologic procedures	630

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Michels Alonzo, MD.

**Gender**
Male	137
Female	348

**Ethnicity**
Non-Hispanic White	437
Black	0
Hispanic	0
Asian	12
Other	15
Native American	0

**Age**
From 65 to 74	170
From 75 to 84	178
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Catherine Michels Alonzo, MD in 2016

Hypertension	60
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	16
Asthma	11
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	19
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Catherine Michels Alonzo, MD treated as an urologist in Greenwich, CT during 2017 were lab tests, urologic procedures, minimally invasive procedures and neurostimulation.

Volume of procedures performed by Dr. Catherine Michels Alonzo, MD for Medicare patients.

anorectal procedures	51
catheterization	16
diagnostic procedures	51
doctor visit	1257
lab tests	1178
minimally invasive procedures	210
neurostimulation	75
stent placement (stenting)	16
urologic procedures	619

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Michels Alonzo, MD.

**Gender**
Male	130
Female	372

**Ethnicity**
Non-Hispanic White	446
Black	11
Hispanic	11
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	190
From 75 to 84	182
85 and over	116
Less than 65	14

Conditions of Medicare patients treated by Dr. Catherine Michels Alonzo, MD in 2017

Hypertension	61
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	22
Depression	20
Chronic Kidney Disease	17
Asthma	6
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	20
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Catherine Michels Alonzo, MD treated as an urologist in Greenwich, CT during 2018 were lab tests, urologic procedures, minimally invasive procedures and neurostimulation.

Volume of procedures performed by Dr. Catherine Michels Alonzo, MD for Medicare patients.

anorectal procedures	67
diagnostic procedures	67
doctor visit	1483
foreign body removal	12
lab tests	1385
minimally invasive procedures	251
neurostimulation	96
stent placement (stenting)	20
urologic procedures	707

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Michels Alonzo, MD.

**Gender**
Male	206
Female	424

**Ethnicity**
Non-Hispanic White	556
Black	0
Hispanic	19
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	249
From 75 to 84	229
85 and over	135
Less than 65	17

Conditions of Medicare patients treated by Dr. Catherine Michels Alonzo, MD in 2018

Hypertension	63
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	24
Depression	20
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	22
Dementia	13
Cancer	17

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Catherine Michels Alonzo, MD treated as an urologist in Greenwich, CT during 2019 were lab tests, urologic procedures, minimally invasive procedures and neurostimulation.

Volume of procedures performed by Dr. Catherine Michels Alonzo, MD for Medicare patients.

ablation	12
anorectal procedures	27
catheterization	25
cryotherapy	12
diagnostic procedures	27
doctor visit	1140
foreign body removal	12
lab tests	826
laser treatment	12
minimally invasive procedures	249
neurostimulation	110
urologic procedures	462

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Michels Alonzo, MD.

**Gender**
Male	174
Female	397

**Ethnicity**
Non-Hispanic White	507
Black	0
Hispanic	16
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	217
From 75 to 84	214
85 and over	120
Less than 65	20

Conditions of Medicare patients treated by Dr. Catherine Michels Alonzo, MD in 2019

Hypertension	65
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	22
Depression	20
Chronic Kidney Disease	20
Asthma	6
Osteoperosis	15
Atrial Fibrilation	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	21
Dementia	11
Cancer	19

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Catherine Michels Alonzo, MD treated as an urologist in Greenwich, CT during 2020 were lab tests, urologic procedures, minimally invasive procedures and neurostimulation.

Volume of procedures performed by Dr. Catherine Michels Alonzo, MD for Medicare patients.

anorectal procedures	22
catheterization	45
diagnostic procedures	22
doctor visit	670
lab tests	597
minimally invasive procedures	186
neurostimulation	84
urologic procedures	410

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Michels Alonzo, MD.

**Gender**
Male	175
Female	320

**Ethnicity**
Non-Hispanic White	442
Black	12
Hispanic	13
Asian	12
Other	16
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	205
85 and over	105
Less than 65	12

Conditions of Medicare patients treated by Dr. Catherine Michels Alonzo, MD in 2020

Hypertension	62
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	25
Depression	20
Chronic Kidney Disease	22
Asthma	5
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Dementia	11
Cancer	18

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Catherine Michels Alonzo, MD treated as an urologist in Greenwich, CT during 2021 were lab tests, urologic procedures, minimally invasive procedures and neurostimulation.

Volume of procedures performed by Dr. Catherine Michels Alonzo, MD for Medicare patients.

ablation	20
anorectal procedures	27
catheterization	116
cryotherapy	20
diagnostic procedures	27
doctor visit	973
foreign body removal	13
lab tests	1055
laser treatment	20
minimally invasive procedures	299
neurostimulation	122
urologic procedures	668

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Michels Alonzo, MD.

**Gender**
Male	203
Female	404

**Ethnicity**
Non-Hispanic White	520
Black	12
Hispanic	24
Asian	18
Other	33
Native American	0

**Age**
From 65 to 74	215
From 75 to 84	243
85 and over	131
Less than 65	18

Conditions of Medicare patients treated by Dr. Catherine Michels Alonzo, MD in 2021

Hypertension	65
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	28
Depression	19
Chronic Kidney Disease	23
Asthma	6
Osteoperosis	16
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Dementia	13
Cancer	19

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Catherine Michels Alonzo, MD treated as an urologist in Greenwich, CT during 2022 were lab tests, urologic procedures, minimally invasive procedures and neurostimulation.

Volume of procedures performed by Dr. Catherine Michels Alonzo, MD for Medicare patients.

ablation	13
anorectal procedures	18
biological response modifier (BRM) therapy	63
catheterization	52
chemotherapy	63
cryotherapy	13
diagnostic procedures	18
doctor visit	671
hospital care	12
inpatient care	12
lab tests	801
laser treatment	13
minimally invasive procedures	208
neurostimulation	91
urologic procedures	509

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Catherine Michels Alonzo, MD.

**Gender**
Male	180
Female	320

**Ethnicity**
Non-Hispanic White	434
Black	11
Hispanic	13
Asian	14
Other	28
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	216
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Catherine Michels Alonzo, MD in 2022

Hypertension	72
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	20
Depression	19
Chronic Kidney Disease	15
Asthma	9
Osteoperosis	22
Atrial Fibrilation	19
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	19
Dementia	10
Cancer	25

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Catherine Michels Alonzo, MD for Medicare patients.

The highest averages for the top procedures that Dr. Catherine Michels Alonzo, MD treated as an urologist in Greenwich, CT were lab tests, urologic procedures, minimally invasive procedures and neurostimulation.

ablation	15
anorectal procedures	38
biological response modifier (BRM) therapy	63
catheterization	40
chemotherapy	63
cryotherapy	15
diagnostic procedures	39
doctor visit	1049
foreign body removal	12
hospital care	19
inpatient care	19
lab tests	1279
laser treatment	15
minimally invasive procedures	194
neurostimulation	93
stent placement (stenting)	17
urologic procedures	535

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Catherine Michels Alonzo, MD.

**Gender**
Female	348
Male	166

**Ethnicity**
Black / African American	4
Asian / Pacific Islander	5
Non-Hispanic White	458
Native American / Alaskan Native	0
Hispanic	15
Other	17

**Age**
85 and over	95
75 to 84	197
Less than 65	12
65 to 74	186

Average of Total of Conditions of Medicare patients treated by Dr. Catherine Michels Alonzo, MD From 2012 - 2022

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

Hypertension	57
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	22
Depression	17
Chronic Kidney Disease	17
Asthma	6
Osteoporosis	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	18
Atrial Fibrillation	12
Dementia	11
Cancer	15

Education & Training

She has a state license in Connecticut.

Licensed In: Connecticut

Ratings & Reviews

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General Payments

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

**Payments by Company**
Astellas Pharma US Inc	$1,325 Vesicare $744	XTANDI $432	Myrbetriq $100	$50
AbbVie, Inc.	$459 Androgel $343	Lupron $116
Pfizer Inc.	$449 XTANDI $217	VIAGRA $187	TOVIAZ $27	PVC $17
Endo Pharmaceuticals Inc.	$323 XIAFLEX $169	FORTESTA $120	VALSTAR $34
Auxilium Pharmaceuticals, Inc.	$287 STENDRA $128	TESTIM $128	XIAFLEX $17	ERECAID $14
Other	$2,461 ZYTIGA $198	FIRMAGON $184	BOTOX $182	Xofigo $180	AXIRON $131	Other $1,588

**Types of Payments**
Food and Beverage	$5,128
Education	$177

Biography

Dr. Catherine Alonzo is a Greenwich, CT physician who specializes in urology (urinary tract disease). Dr. Alonzo obtained a license to practice in New York.