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Home > NY Providers > Internists & Internal Medicine Doctors

Dr. Alfonso Tan, MD

(1 Rating)

Specializes in: Internal Medicine (Adult Medicine)

297 W Main Street
Sayville, NY 11782

(631) 589-2323

Dr. Alfonso Tan, MD is an internist in Sayville, NY specializing in internal medicine (adult medicine).

Office Locations

297 W Main Street
Sayville, NY 11782

(631) 589-2323

(631) 589-9069

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Alfonso Tan, MD treated as an internist in Sayville, NY during 2012 were nursing home care, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Alfonso Tan, MD for Medicare patients.

blood draw	316
doctor visit	1726
nursing home care	1144
preventive care	149
vaccines	149

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Alfonso Tan, MD treated as an internist in Sayville, NY during 2013 were nursing home care, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Alfonso Tan, MD for Medicare patients.

blood draw	229
doctor visit	1680
nursing home care	669
preventive care	220
vaccines	220

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfonso Tan, MD.

**Gender**
Male	114
Female	182

**Ethnicity**
Non-Hispanic White	270
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	99
From 75 to 84	88
85 and over	90
Less than 65	19

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2013

Hypertension	75
High Cholesterol	55
Stroke	9
Ischemic Heart Disease	45
Depression	14
Chronic Kidney Disease	20
Asthma	5
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	31
Dementia	25
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Alfonso Tan, MD treated as an internist in Sayville, NY during 2014 were nursing home care, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Alfonso Tan, MD for Medicare patients.

blood draw	199
doctor visit	1602
nursing home care	413
preventive care	154
vaccines	154

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfonso Tan, MD.

**Gender**
Male	105
Female	159

**Ethnicity**
Non-Hispanic White	243
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	81
85 and over	72
Less than 65	23

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2014

Hypertension	75
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	39
Depression	14
Chronic Kidney Disease	17
Asthma	5
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	18
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Alfonso Tan, MD treated as an internist in Sayville, NY during 2015 were nursing home care, preventive care, vaccines and blood draw.

Volume of procedures performed by Dr. Alfonso Tan, MD for Medicare patients.

blood draw	142
doctor visit	1441
nursing home care	148
preventive care	146
vaccines	146

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfonso Tan, MD.

**Gender**
Male	170
Female	272

**Ethnicity**
Non-Hispanic White	396
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	160
From 75 to 84	142
85 and over	110
Less than 65	30

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2015

Hypertension	75
High Cholesterol	59
Stroke	7
Ischemic Heart Disease	35
Depression	14
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	16
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Alfonso Tan, MD treated as an internist in Sayville, NY during 2016 were preventive care, vaccines and blood draw.

Volume of procedures performed by Dr. Alfonso Tan, MD for Medicare patients.

blood draw	97
doctor visit	1469
preventive care	148
vaccines	148

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfonso Tan, MD.

**Gender**
Male	85
Female	117

**Ethnicity**
Non-Hispanic White	178
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	66
85 and over	44
Less than 65	12

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2016

Hypertension	75
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	31
Depression	10
Chronic Kidney Disease	20
Asthma	14
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	22
Chronic Obstructive Pulmonary Disease	13
Diabetes	22
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Alfonso Tan, MD treated as an internist in Sayville, NY during 2017 were preventive care, vaccines and blood draw.

Volume of procedures performed by Dr. Alfonso Tan, MD for Medicare patients.

blood draw	71
doctor visit	1383
preventive care	132
vaccines	132

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfonso Tan, MD.

**Gender**
Male	86
Female	107

**Ethnicity**
Non-Hispanic White	173
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	64
85 and over	40
Less than 65	15

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	37
Depression	11
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	28
Chronic Obstructive Pulmonary Disease	12
Diabetes	21
Dementia	10
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Alfonso Tan, MD treated as an internist in Sayville, NY during 2018 were preventive care, vaccines and blood draw.

Volume of procedures performed by Dr. Alfonso Tan, MD for Medicare patients.

blood draw	39
doctor visit	1187
preventive care	136
vaccines	136

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfonso Tan, MD.

**Gender**
Male	81
Female	102

**Ethnicity**
Non-Hispanic White	162
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	59
85 and over	34
Less than 65	13

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	40
Depression	10
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	27
Chronic Obstructive Pulmonary Disease	11
Diabetes	31
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Alfonso Tan, MD treated as an internist in Sayville, NY during 2019 were preventive care and vaccines.

Volume of procedures performed by Dr. Alfonso Tan, MD for Medicare patients.

doctor visit	1144
preventive care	125
vaccines	125

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfonso Tan, MD.

**Gender**
Male	77
Female	96

**Ethnicity**
Non-Hispanic White	151
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	54
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	56
Depression	14
Chronic Kidney Disease	23
Asthma	0
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	27
Chronic Obstructive Pulmonary Disease	14
Diabetes	31
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Alfonso Tan, MD treated as an internist in Sayville, NY during 2020 were preventive care and vaccines.

Volume of procedures performed by Dr. Alfonso Tan, MD for Medicare patients.

doctor visit	560
preventive care	88
vaccines	88

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfonso Tan, MD.

**Gender**
Male	62
Female	82

**Ethnicity**
Non-Hispanic White	127
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	56
From 75 to 84	50
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	55
Depression	15
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	14
Diabetes	24
Dementia	13
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Alfonso Tan, MD treated as an internist in Sayville, NY during 2021 were preventive care and vaccines.

Volume of procedures performed by Dr. Alfonso Tan, MD for Medicare patients.

doctor visit	571
preventive care	52
vaccines	52

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfonso Tan, MD.

**Gender**
Male	47
Female	68

**Ethnicity**
Non-Hispanic White	101
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	47
From 75 to 84	38
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	45
Depression	12
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	11
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Alfonso Tan, MD for Medicare patients.

doctor visit	155

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfonso Tan, MD.

**Gender**
Male	35
Female	40

**Age**
From 65 to 74	27
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	36
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	19
Diabetes	23
Dementia	0
Cancer	21

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Alfonso Tan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Alfonso Tan, MD treated as an internist in Sayville, NY were nursing home care, blood draw, preventive care and vaccines.

blood draw	156
doctor visit	1174
nursing home care	593
preventive care	135
vaccines	135

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Alfonso Tan, MD.

**Gender**
Male	78
Female	111

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	163
Native American / Alaskan Native	0
Hispanic	2
Other	0

**Age**
75 to 84	60
85 and over	35
Less than 65	10
65 to 74	70

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

The highest averages of the most common conditions of Medicare patients that Dr. Alfonso Tan, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	61
Stroke	2
Ischemic Heart Disease	38
Depression	10
Chronic Kidney Disease	17
Asthma	3
Osteoporosis	3
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	23
Atrial Fibrillation	10
Dementia	11
Cancer	12

Education & Training

He has a state license in New York.

Licensed In: New York

Ratings & Reviews

Dr. Alfonso Tan, MD has an average of 1.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Alfonso Tan, MD from all over the web to help you find the right in Sayville, NY.

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(1 Rating)

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$1,378 FARXIGA $458	BYDUREON $440	SYMBICORT $281	BRILINTA $107	CRESTOR $93
Merck Sharp & Dohme Corporation	$202 JANUMET XR $108	PROVENTIL $94
Boehringer Ingelheim Pharmaceuticals, Inc.	$197 STIOLTO $104	JARDIANCE $92
Janssen Pharmaceuticals, Inc	$130 XARELTO $100	INVOKANA $30
SANOFI-AVENTIS U.S. LLC	$114 SOLIQUA $114
Other	$288 Belviq $110	Repatha $92	Uloric $25	EXFORGE $14	$47

**Types of Payments**
Food and Beverage	$2,101
Education	$207

Biography

Dr. Alfonso Tan has obtained a license to practice in New York.

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Dr. Alfonso Tan, MD

Office Locations

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. Alfonso Tan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alfonso Tan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Alfonso Tan, 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. Alfonso Tan, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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