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Dr. Marcelo Guillmero Gareca, MD

Accepting New Patients

(Marcelo G Gareca, MD, FIDSA, FACP)

(No ratings)

Specializes in: Infectious Disease

11 Alvena Avenue
Cortland, NY 13045

(607) 753-1017

Dr. Marcelo Guillmero Gareca, MD is an infectious disease doctor in Cortland, NY specializing in infectious disease. Dr. Marcelo Guillmero Gareca, MD is affiliated with Cortland Infectious Disease Alvena Ave.

Office Locations

11 Alvena Avenue
Cortland, NY 13045

open_in_new

161 Riverside Drive
Binghamton, NY 13905

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In The News (see more mentions in the news)

“The increasing number of dating apps may be contributing, because they make it easier for people to have multiple sexual partners, said Dr. Marcelo Gareca, an infectious disease specialist at...”—"Syphilis, which was almost eradicated, makes a major comeback in Allentown, Bethlehem", The Morning Call, October 2019

“Dr. Marcelo Gareca, an infectious diseases specialist and medical adviser to the board, commended the results.”—"Official: Obesity rising in Allentown schools ** Over 40% of elementary, middle school students are overweight or at risk, city dietitian says.", The Morning Call, September 2007

“Infectious disease specialist Marcelo Gareca at Lehigh Valley Hospital doesn t doubt the impact.”—"Love aids woman s recovery ** Husband stuck by wife after West Nile put her in a coma, and proved doctors wrong.", The Morning Call, November 2004

Noteworthy Medicare Patient Procedures Performed by Dr. Marcelo Guillmero Gareca, MD in 2023

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

Top 25%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, Dr. Marcelo Guillmero Gareca, MD had a list price for hospital care, inpatient 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

Volume of procedures performed by Dr. Marcelo Guillmero Gareca, MD for Medicare patients.

doctor visit	217

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Marcelo Guillmero Gareca, MD treated as an infectious disease doctor in Cortland, NY during 2013 were hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. Marcelo Guillmero Gareca, MD for Medicare patients.

doctor visit	85
hospital care	133
inpatient care	133
nursing home care	72

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD.

**Gender**
Male	82
Female	77

**Ethnicity**
Non-Hispanic White	124
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	46
From 75 to 84	43
85 and over	19
Less than 65	51

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2013

Hypertension	75
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	58
Depression	46
Chronic Kidney Disease	60
Asthma	14
Osteoperosis	13
Atrial Fibrilation	25
Heart Failure	43
Chronic Obstructive Pulmonary Disease	32
Diabetes	43
Dementia	18
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Marcelo Guillmero Gareca, MD treated as an infectious disease doctor in Cortland, NY during 2014 were nursing home care, hospital care and inpatient care.

Volume of procedures performed by Dr. Marcelo Guillmero Gareca, MD for Medicare patients.

doctor visit	40
hospital care	73
inpatient care	73
nursing home care	130

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD.

**Gender**
Male	45
Female	63

**Ethnicity**
Non-Hispanic White	92
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	33
From 75 to 84	26
85 and over	18
Less than 65	31

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2014

Hypertension	75
High Cholesterol	73
Stroke	12
Ischemic Heart Disease	63
Depression	56
Chronic Kidney Disease	62
Asthma	19
Osteoperosis	19
Atrial Fibrilation	27
Heart Failure	45
Chronic Obstructive Pulmonary Disease	31
Diabetes	52
Dementia	19
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Marcelo Guillmero Gareca, MD treated as an infectious disease doctor in Cortland, NY during 2015 were nursing home care.

Volume of procedures performed by Dr. Marcelo Guillmero Gareca, MD for Medicare patients.

doctor visit	36
nursing home care	127

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD.

**Gender**
Male	58
Female	66

**Ethnicity**
Non-Hispanic White	86
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	52
From 75 to 84	0
85 and over	0
Less than 65	38

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2015

Hypertension	75
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	58
Depression	56
Chronic Kidney Disease	65
Asthma	19
Osteoperosis	0
Atrial Fibrilation	18
Heart Failure	35
Chronic Obstructive Pulmonary Disease	29
Diabetes	45
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Marcelo Guillmero Gareca, MD treated as an infectious disease doctor in Cortland, NY during 2016 were nursing home care.

Volume of procedures performed by Dr. Marcelo Guillmero Gareca, MD for Medicare patients.

doctor visit	48
nursing home care	131

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD.

**Gender**
Male	42
Female	29

**Ethnicity**
Non-Hispanic White	57
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	21
From 75 to 84	20
85 and over	11
Less than 65	19

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2016

Hypertension	75
High Cholesterol	72
Stroke	0
Ischemic Heart Disease	52
Depression	44
Chronic Kidney Disease	72
Asthma	30
Osteoperosis	0
Atrial Fibrilation	37
Heart Failure	45
Chronic Obstructive Pulmonary Disease	27
Diabetes	55
Dementia	18
Cancer	23

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Marcelo Guillmero Gareca, MD treated as an infectious disease doctor in Cortland, NY during 2017 were nursing home care.

Volume of procedures performed by Dr. Marcelo Guillmero Gareca, MD for Medicare patients.

doctor visit	25
nursing home care	71

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD.

**Gender**
Male	21
Female	11

**Age**
From 65 to 74	13
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2017

Hypertension	75
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	47
Depression	53
Chronic Kidney Disease	66
Asthma	0
Osteoperosis	0
Atrial Fibrilation	38
Heart Failure	41
Chronic Obstructive Pulmonary Disease	0
Diabetes	41
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Marcelo Guillmero Gareca, MD treated as an infectious disease doctor in Cortland, NY during 2018 were nursing home care, hospital care and inpatient care.

Volume of procedures performed by Dr. Marcelo Guillmero Gareca, MD for Medicare patients.

doctor visit	29
hospital care	17
inpatient care	17
nursing home care	60

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD.

**Gender**
Male	29
Female	38

**Ethnicity**
Non-Hispanic White	52
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	31
From 75 to 84	0
85 and over	0
Less than 65	17

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2018

Hypertension	75
High Cholesterol	72
Stroke	0
Ischemic Heart Disease	52
Depression	46
Chronic Kidney Disease	70
Asthma	0
Osteoperosis	16
Atrial Fibrilation	27
Heart Failure	40
Chronic Obstructive Pulmonary Disease	34
Diabetes	54
Dementia	19
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Marcelo Guillmero Gareca, MD treated as an infectious disease doctor in Cortland, NY during 2019 were nursing home care.

Volume of procedures performed by Dr. Marcelo Guillmero Gareca, MD for Medicare patients.

doctor visit	83
nursing home care	85

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD.

**Gender**
Male	27
Female	30

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

**Age**
From 65 to 74	28
From 75 to 84	14
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	42
Depression	33
Chronic Kidney Disease	60
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	33
Chronic Obstructive Pulmonary Disease	0
Diabetes	39
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Marcelo Guillmero Gareca, MD treated as an infectious disease doctor in Cortland, NY during 2020 were hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. Marcelo Guillmero Gareca, MD for Medicare patients.

doctor visit	53
hospital care	317
inpatient care	317
nursing home care	60

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD.

**Gender**
Male	125
Female	97

**Ethnicity**
Non-Hispanic White	181
Black	0
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	50
85 and over	41
Less than 65	51

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	59
Depression	40
Chronic Kidney Disease	74
Asthma	12
Osteoperosis	15
Atrial Fibrilation	28
Heart Failure	49
Chronic Obstructive Pulmonary Disease	28
Diabetes	51
Dementia	27
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Marcelo Guillmero Gareca, MD treated as an infectious disease doctor in Cortland, NY during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Marcelo Guillmero Gareca, MD for Medicare patients.

doctor visit	97
hospital care	511
inpatient care	511

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD.

**Gender**
Male	146
Female	127

**Ethnicity**
Non-Hispanic White	236
Black	0
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	84
85 and over	25
Less than 65	62

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	60
Depression	41
Chronic Kidney Disease	75
Asthma	14
Osteoperosis	13
Atrial Fibrilation	28
Heart Failure	55
Chronic Obstructive Pulmonary Disease	30
Diabetes	55
Dementia	22
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Marcelo Guillmero Gareca, MD treated as an infectious disease doctor in Cortland, NY during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Marcelo Guillmero Gareca, MD for Medicare patients.

doctor visit	106
hospital care	420
inpatient care	420

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD.

**Gender**
Male	132
Female	116

**Ethnicity**
Non-Hispanic White	213
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	84
From 75 to 84	83
85 and over	31
Less than 65	50

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	44
Depression	36
Chronic Kidney Disease	50
Asthma	16
Osteoperosis	19
Atrial Fibrilation	38
Heart Failure	40
Chronic Obstructive Pulmonary Disease	35
Diabetes	47
Dementia	19
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Marcelo Guillmero Gareca, MD for Medicare patients.

The highest averages for the top procedures that Dr. Marcelo Guillmero Gareca, MD treated as an infectious disease doctor in Cortland, NY were hospital care, inpatient care and nursing home care.

doctor visit	74
hospital care	245
inpatient care	245
nursing home care	92

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD.

**Gender**
Female	59
Male	64

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	98
Hispanic	7
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	13
75 to 84	29
Less than 65	29
65 to 74	44

Average of Total of Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	65
Stroke	6
Ischemic Heart Disease	48
Depression	41
Chronic Kidney Disease	59
Asthma	11
Osteoporosis	8
Heart Failure	38
Chronic Obstructive Pulmonary Disease	22
Diabetes	43
Atrial Fibrillation	24
Dementia	12
Cancer	9

Education & Training

He has a state license in Pennsylvania.

Licensed In: Pennsylvania

Affiliations & Hospitals

Dr. Marcelo Guillmero Gareca, MD is associated with these hospitals and organizations:

Cortland Infectious Disease Alvena Ave

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. Marcelo Guillmero Gareca, MD appears to accept the following insurance providers: UPMC Health Plan - Medicaid Managed Care, Aetna - Medicare Advantage, EmblemHealth - Medicare Advantage, Fidelis Care - Medicare Advantage, United Healthcare - Medicare Advantage, Multi Plan, Devon Health, Aetna, United Healthcare, Martin's Point Healthcare -Tricare, Medicaid - New York, Tricare (Humana Military), Coventry, Cigna, United Behavioral Health - Behavioral Services, Empire Health Plan - United Healthcare and Anthem, MVP Health Plan, Geisinger Health Plan - Medicare Advantage, Molina Health Plan - Medicaid Managed Care, Medicare - Pennsylvania, Lifetime Benefits Solutions (part of Excellus - Blue Cross Blue Shield - New York), Excellus (Blue Cross and Blue Shield of New York) for New York State employees, UPMC Health Plan, CDPHP, Excellus (Blue Cross - Blue Shield - New York), Medicare - New York, Aetna Better Health - Children's Health Insurance (CHIP), Highmark (Blue Cross - Blue Shield - Pennsylvania) and Pa Health and Wellness - Commercial Exchange Product only (Obamacare).

Insurance Accepted by Provider includes:

According to our sources, Dr. Marcelo Guillmero Gareca, MD accepts the following insurance providers:

UPMC Health Plan - Medicaid Managed Care

Aetna - Medicare Advantage

EmblemHealth - Medicare Advantage

Fidelis Care - Medicare Advantage

United Healthcare - Medicare Advantage

Multi Plan

Devon Health

Aetna

United Healthcare

Martin's Point Healthcare -Tricare

Medicaid - New York

Tricare (Humana Military)

Coventry

Cigna

United Behavioral Health - Behavioral Services

Empire Health Plan - United Healthcare and Anthem

MVP Health Plan

Geisinger Health Plan - Medicare Advantage

Molina Health Plan - Medicaid Managed Care

Medicare - Pennsylvania

Lifetime Benefits Solutions (part of Excellus - Blue Cross Blue Shield - New York)

Excellus (Blue Cross and Blue Shield of New York) for New York State employees

UPMC Health Plan

CDPHP

Excellus (Blue Cross - Blue Shield - New York)

Medicare - New York

Aetna Better Health - Children's Health Insurance (CHIP)

Highmark (Blue Cross - Blue Shield - Pennsylvania)

Pa Health and Wellness - Commercial Exchange Product only (Obamacare)

Ratings & Reviews

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General Payments

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

**Payments by Company**
ViiV Healthcare Company	$176 TRIUMEQ $60	JULUCA $44	DOVATO $43	TIVICAY $15	CABENUVA $14
Gilead Sciences Inc	$95 Genvoya $11	Stribild $10	$74
Gilead Sciences, Inc.	$29 $29
Valeant Pharmaceuticals North America LLC	$25 $25
Alkermes, Inc.	$18 Vivitrol 380 mg $18
Other	$31 Viekira $17	$14

**Types of Payments**
Food and Beverage	$349
Gift	$25

Research Payments

Dr. Marcelo Guillmero Gareca, MD has received 127 research payments totaling $1,075,718.

Biography

Dr. Marcelo Gareca's specialty is infectious disease. Dr. Gareca accepts several insurance carriers, including Medicaid Managed Care, Anthem, and Blue California. Dr. Gareca (or staff) speaks the following foreign languages: Spanish and Italian. His practice in Cortland, NY is open to new patients as reported by Yext.

Select Year:

Dr. Marcelo Guillmero Gareca, MD

Office Locations

In The News (see more mentions in the news)

Noteworthy Medicare Patient Procedures Performed by Dr. Marcelo Guillmero Gareca, MD in 2023

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. Marcelo Guillmero Gareca, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Marcelo Guillmero Gareca, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Research Payments

Biography

Infectious Disease Doctors in Nearby Locations

Other Providers in Cortland, NY