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Dr. Alex Tan Villacastin, MD

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Specializes in: Internal Medicine (Adult Medicine)

10489 North Florida Avenue
Citrus Springs, FL 34434

(352) 489-2486

Dr. Alex Tan Villacastin, MD is an internist in Citrus Springs, FL specializing in internal medicine (adult medicine). Dr. Alex Tan Villacastin, MD is affiliated with HCA Florida Healthcare, NATURE COAST GERIATRIC SERVICES LLC, HCA Florida Citrus Hospital and WEST FLORIDA MEDICAL ASSOCIATES P A.

Office Locations

10489 North Florida Avenue
Citrus Springs, FL 34434

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Noteworthy Medicare Patient Procedures Performed by Dr. Alex Tan Villacastin, MD in 2023

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

Top 5%

By Volume:

impacted ear wax removal

In 2023, Dr. Alex Tan Villacastin, MD performed more impacted ear wax removal procedures for Medicare patients than 95% of providers in related specialties within Florida.

Top 10%

By Volume:

blood draw

phlebotomy for lab tests

prothrombin time test

urinalysis

By Affordability:

blood tests

pulmonary function test

pulmonary testing

In 2023, among providers in related specialties within Florida, Dr. Alex Tan Villacastin, MD performed more blood draw, phlebotomy for lab tests, prothrombin time (PT) test, and urinalysis procedures for Medicare patients than 90% of them and he also had a list price for blood tests, pulmonary function test (PFT), and pulmonary testing that was lower than the list prices billed to Medicare by 90% 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:

lab tests

maximum voluntary ventilation

nursing home care

preventive care

By Affordability:

ear procedures

ear wax removal

impacted ear wax removal

liver function tests

nursing home care

In 2012, among providers in related specialties within Florida, Dr. Alex Tan Villacastin, MD performed more lab tests, maximum voluntary ventilation, nursing home care, and preventive care procedures for Medicare patients than 75% of them and he also had a list price for ear procedures, ear wax removal, impacted ear wax removal, liver function tests (LFTs), and nursing home care 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. Alex Tan Villacastin, MD treated as an internist in Citrus Springs, FL during 2012 were blood draw, lab tests, hospital care and inpatient care.

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

blood draw	1664
diabetes management	152
doctor visit	91
hospital care	641
inpatient care	641
lab tests	1291
musculoskeletal imaging	13
preventive care	434
pulmonary testing	28
thoracic (chest) imaging	18
thyroid function tests	95
vaccines	14
X-rays	31

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Alex Tan Villacastin, MD treated as an internist in Citrus Springs, FL during 2013 were blood draw, lab tests, inpatient care and hospital care.

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

blood draw	1336
cytology	23
diabetes management	87
doctor visit	125
gynecologic pathology	23
hospital care	765
inpatient care	765
lab tests	830
mental health therapy	28
musculoskeletal imaging	41
preventive care	315
pulmonary testing	378
thoracic (chest) imaging	29
thyroid function tests	28
vaccines	29
weight management	28
X-rays	70

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Alex Tan Villacastin, MD.

**Gender**
Male	583
Female	751

**Ethnicity**
Non-Hispanic White	1240
Black	26
Hispanic	38
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	501
From 75 to 84	377
85 and over	191
Less than 65	265

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

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	45
Depression	40
Chronic Kidney Disease	28
Asthma	11
Osteoperosis	22
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	29
Diabetes	38
Dementia	19
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Alex Tan Villacastin, MD treated as an internist in Citrus Springs, FL during 2014 were blood draw, lab tests, inpatient care and hospital care.

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

blood draw	1070
breast exam	11
cardiac procedures	13
diabetes management	81
doctor visit	420
gynecologic procedures	11
hospital care	776
inpatient care	776
lab tests	850
musculoskeletal imaging	36
preventive care	343
pulmonary testing	131
thoracic (chest) imaging	17
thyroid function tests	58
ultrasound (sonogram)	13
vaccines	113
vascular procedures	20
X-rays	53

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Alex Tan Villacastin, MD.

**Gender**
Male	592
Female	770

**Ethnicity**
Non-Hispanic White	1264
Black	31
Hispanic	41
Asian	13
Other	13
Native American	0

**Age**
From 65 to 74	499
From 75 to 84	380
85 and over	234
Less than 65	249

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

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	46
Depression	37
Chronic Kidney Disease	34
Asthma	10
Osteoperosis	21
Atrial Fibrilation	15
Heart Failure	26
Chronic Obstructive Pulmonary Disease	31
Diabetes	35
Dementia	23
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Alex Tan Villacastin, MD treated as an internist in Citrus Springs, FL during 2015 were nursing home care, hospital care, inpatient care and blood draw.

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

blood draw	818
doctor visit	668
hospital care	969
inpatient care	969
lab tests	475
musculoskeletal imaging	41
nursing home care	1500
pulmonary testing	79
X-rays	41

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Alex Tan Villacastin, MD.

**Gender**
Male	1272
Female	1874

**Ethnicity**
Non-Hispanic White	2916
Black	82
Hispanic	82
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	1062
From 75 to 84	922
85 and over	666
Less than 65	496

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

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	46
Depression	40
Chronic Kidney Disease	40
Asthma	19
Osteoperosis	20
Atrial Fibrilation	16
Heart Failure	27
Chronic Obstructive Pulmonary Disease	31
Diabetes	38
Dementia	29
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Alex Tan Villacastin, MD treated as an internist in Citrus Springs, FL during 2016 were blood draw, nursing home care, lab tests and hospital care.

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

blood draw	1073
breathing treatment	14
doctor visit	398
hospital care	533
inpatient care	533
lab tests	646
nursing home care	785
preventive care	91
pulmonary testing	96
vaccines	91

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Alex Tan Villacastin, MD.

**Gender**
Male	562
Female	785

**Ethnicity**
Non-Hispanic White	1242
Black	27
Hispanic	46
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	505
From 75 to 84	381
85 and over	244
Less than 65	217

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

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	44
Depression	38
Chronic Kidney Disease	45
Asthma	33
Osteoperosis	18
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	31
Diabetes	39
Dementia	24
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Alex Tan Villacastin, MD treated as an internist in Citrus Springs, FL during 2017 were blood draw, nursing home care, lab tests and hospital care.

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

blood draw	1118
chronic care	126
doctor visit	589
hospital care	386
inpatient care	362
lab tests	733
nursing home care	921
outpatient care	24
preventive care	52
pulmonary testing	62
vaccines	52

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Alex Tan Villacastin, MD.

**Gender**
Male	564
Female	742

**Ethnicity**
Non-Hispanic White	1211
Black	28
Hispanic	33
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	481
From 75 to 84	381
85 and over	248
Less than 65	196

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

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	43
Depression	40
Chronic Kidney Disease	48
Asthma	7
Osteoperosis	16
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	30
Diabetes	38
Dementia	23
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Alex Tan Villacastin, MD treated as an internist in Citrus Springs, FL during 2018 were nursing home care, blood draw, lab tests and hospital care.

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

blood draw	1118
doctor visit	808
ear procedures	21
hospital care	563
inpatient care	563
lab tests	815
nursing home care	1589
preventive care	90
pulmonary testing	81
vaccines	90
vascular procedures	18

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Alex Tan Villacastin, MD.

**Gender**
Male	649
Female	871

**Ethnicity**
Non-Hispanic White	1408
Black	32
Hispanic	39
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	562
From 75 to 84	473
85 and over	287
Less than 65	198

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

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	46
Depression	41
Chronic Kidney Disease	52
Asthma	6
Osteoperosis	15
Atrial Fibrilation	18
Heart Failure	29
Chronic Obstructive Pulmonary Disease	33
Diabetes	41
Dementia	25
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Alex Tan Villacastin, MD treated as an internist in Citrus Springs, FL during 2019 were nursing home care, blood draw, lab tests and hospital care.

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

blood draw	1230
doctor visit	800
ear procedures	27
hospital care	585
inpatient care	546
lab tests	691
musculoskeletal imaging	15
nursing home care	1668
outpatient care	39
pulmonary testing	46
X-rays	15

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Alex Tan Villacastin, MD.

**Gender**
Male	639
Female	910

**Ethnicity**
Non-Hispanic White	1422
Black	34
Hispanic	56
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	583
From 75 to 84	491
85 and over	271
Less than 65	204

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

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	44
Depression	41
Chronic Kidney Disease	49
Asthma	7
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	27
Chronic Obstructive Pulmonary Disease	30
Diabetes	37
Dementia	23
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Alex Tan Villacastin, MD treated as an internist in Citrus Springs, FL during 2020 were nursing home care, blood draw, hospital care and inpatient care.

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

blood draw	1279
diabetes management	13
doctor visit	193
ear procedures	48
hospital care	669
inpatient care	626
lab tests	609
nursing home care	1543
outpatient care	43
preventive care	13
pulmonary testing	45

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Alex Tan Villacastin, MD.

**Gender**
Male	631
Female	851

**Ethnicity**
Non-Hispanic White	1360
Black	34
Hispanic	47
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	548
From 75 to 84	495
85 and over	277
Less than 65	162

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

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	43
Depression	41
Chronic Kidney Disease	52
Asthma	8
Osteoperosis	16
Atrial Fibrilation	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	30
Diabetes	35
Dementia	24
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Alex Tan Villacastin, MD treated as an internist in Citrus Springs, FL during 2021 were nursing home care, blood draw, lab tests and hospital care.

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

aspiration	25
blood draw	1208
breast exam	11
cytology	11
diabetes management	91
doctor visit	327
ear procedures	117
gynecologic pathology	11
gynecologic procedures	11
hospital care	535
injections	25
inpatient care	510
lab tests	543
musculoskeletal imaging	47
nursing home care	1865
outpatient care	25
preventive care	102
pulmonary testing	40
X-rays	47

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Alex Tan Villacastin, MD.

**Gender**
Male	732
Female	970

**Ethnicity**
Non-Hispanic White	1558
Black	41
Hispanic	46
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	608
From 75 to 84	604
85 and over	313
Less than 65	177

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

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	44
Depression	40
Chronic Kidney Disease	55
Asthma	7
Osteoperosis	16
Atrial Fibrilation	16
Heart Failure	29
Chronic Obstructive Pulmonary Disease	29
Diabetes	35
Dementia	24
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Alex Tan Villacastin, MD treated as an internist in Citrus Springs, FL during 2022 were nursing home care, blood draw, lab tests and inpatient care.

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

aspiration	13
blood draw	1050
diabetes management	133
doctor visit	538
ear procedures	94
hospital care	215
injections	13
inpatient care	215
lab tests	636
musculoskeletal imaging	43
nursing home care	1742
preventive care	133
pulmonary testing	26
X-rays	43

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Alex Tan Villacastin, MD.

**Gender**
Male	649
Female	875

**Ethnicity**
Non-Hispanic White	1398
Black	33
Hispanic	42
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	540
From 75 to 84	566
85 and over	284
Less than 65	134

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

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	34
Depression	40
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	21
Atrial Fibrilation	22
Heart Failure	25
Chronic Obstructive Pulmonary Disease	33
Diabetes	34
Dementia	20
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

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

The highest averages for the top procedures that Dr. Alex Tan Villacastin, MD treated as an internist in Citrus Springs, FL were nursing home care, blood draw, lab tests and hospital care.

aspiration	19
blood draw	1178
breast exam	11
cardiac procedures	13
chronic care	126
cytology	17
diabetes management	92
doctor visit	450
ear procedures	61
gynecologic pathology	17
gynecologic procedures	11
hospital care	603
injections	19
inpatient care	591
lab tests	738
mental health therapy	28
musculoskeletal imaging	33
nursing home care	1451
outpatient care	32
preventive care	174
pulmonary testing	92
thoracic (chest) imaging	21
thyroid function tests	60
ultrasound (sonogram)	13
vaccines	64
vascular procedures	19
weight management	28
X-rays	42

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Alex Tan Villacastin, MD.

**Gender**
Male	624
Female	854

**Ethnicity**
Black / African American	33
Asian / Pacific Islander	2
Non-Hispanic White	1365
Native American / Alaskan Native	0
Hispanic	42
Other	18

**Age**
75 to 84	460
85 and over	274
Less than 65	208
65 to 74	535

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

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

Hypertension	68
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	39
Depression	36
Chronic Kidney Disease	41
Asthma	10
Osteoporosis	16
Heart Failure	24
Chronic Obstructive Pulmonary Disease	27
Diabetes	33
Atrial Fibrillation	14
Dementia	21
Cancer	10

Education & Training

He completed residency at UMDNJ-Robert Wood Johnson Medical School Affiliated Hospitals. He has a state license in Florida.

Residency: UMDNJ-Robert Wood Johnson Medical School Affiliated Hospitals

Licensed In: Florida

Affiliations & Hospitals

Dr. Alex Tan Villacastin, MD is associated with these hospitals and organizations:

HCA Florida Healthcare

NATURE COAST GERIATRIC SERVICES LLC

HCA Florida Citrus Hospital

WEST FLORIDA MEDICAL ASSOCIATES P A

Ratings & Reviews

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$3,995 FARXIGA $2,071	BEVESPI AEROSPHERE $552	BYDUREON $302	SYMBICORT $274	BREZTRI $219	Other $576
Novo Nordisk Inc	$3,471 Ozempic $867	RYBELSUS $861	Tresiba $517	Victoza $510	NovoLog $341	Other $375
Boehringer Ingelheim Pharmaceuticals, Inc.	$2,261 JARDIANCE $1,049	STIOLTO $295	SPIRIVA RESPIMAT $240	TRADJENTA $181	GLYXAMBI $176	Other $320
Janssen Pharmaceuticals, Inc	$2,253 XARELTO $1,154	INVOKANA $940	SPRAVATO $110	INVOKAMET $33	Nucynta $17
GlaxoSmithKline, LLC.	$1,960 TRELEGY ELLIPTA $971	BREO $188	ANORO $161	AREXVY $161	ANORO ELLIPTA $148	Other $331
Other	$21,414 VRAYLAR $1,120	Vascepa $1,070	Nuedexta $1,064	Repatha $961	ELIQUIS $888	Other $16,310

**Types of Payments**
Food and Beverage	$34,692
Education	$599
Consulting Fee	$63

Biography

Dr. Alex Villacastin is affiliated with HCA Florida Healthcare. His training includes a residency program at a hospital affiliated with UMDNJ-Robert Wood Johnson Medical School.

Select Year:

Dr. Alex Tan Villacastin, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Alex Tan Villacastin, MD in 2023

By Volume:

By Volume:

By Affordability:

By Volume:

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. Alex Tan Villacastin, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

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

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

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

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

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

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

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

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

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

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

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

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

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

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

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

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

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

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography