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Dr. Wilbert Timothy Tsai, MD

(5 Ratings)

Specializes in: Family Medicine

1818 N. Orange Grove Avenue Suite #302
Pomona, CA 91767

(909) 326-0330

Dr. Wilbert Timothy Tsai, MD is a family medicine practitioner in Pomona, CA specializing in family medicine. Dr. Wilbert Timothy Tsai, MD is affiliated with Casa Colina Hospital and Centers for Healthcare and Pomona Valley Hospital Medical Center.

Office Locations

1818 N. Orange Grove Avenue Suite #302
Pomona, CA 91767

(909) 326-0330

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1900 Royalty Drive Suite 302
Pomona, CA 91767

(909) 623-6581

(909) 623-1751

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Noteworthy Medicare Patient Procedures Performed by Dr. Wilbert Timothy Tsai, MD in 2024

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

Top 10%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2024, Dr. Wilbert Timothy Tsai, 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 90% of providers in related specialties within California. 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 Affordability:

In 2012, Dr. Wilbert Timothy Tsai, MD had a list price for flu shot, flu vaccine, immunization (preventive vaccines), and vaccines that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. 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. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA during 2012 were hospital care, inpatient care, nursing home care and blood draw.

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

blood draw	105
doctor visit	382
hospital care	1106
inpatient care	1087
joint surgery	18
lower extremity surgery	18
nursing home care	157
preventive care	12
reconstructive surgery	18
vaccines	12

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA during 2013 were hospital care, inpatient care, nursing home care and blood draw.

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

blood draw	99
doctor visit	392
hospital care	947
inpatient care	934
nursing home care	158
preventive care	27
vaccines	27

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Wilbert Timothy Tsai, MD.

**Gender**
Male	147
Female	209

**Ethnicity**
Non-Hispanic White	158
Black	38
Hispanic	117
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	99
From 75 to 84	95
85 and over	74
Less than 65	88

Conditions of Medicare patients treated by Dr. Wilbert Timothy Tsai, MD in 2013

Hypertension	75
High Cholesterol	60
Stroke	15
Ischemic Heart Disease	57
Depression	31
Chronic Kidney Disease	51
Asthma	11
Osteoperosis	18
Atrial Fibrilation	15
Heart Failure	52
Chronic Obstructive Pulmonary Disease	32
Diabetes	50
Dementia	35
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA during 2014 were hospital care, inpatient care, nursing home care and blood draw.

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

aspiration	22
blood draw	70
doctor visit	434
hospital care	989
injections	22
inpatient care	989
nursing home care	264
preventive care	21
vaccines	21

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Wilbert Timothy Tsai, MD.

**Gender**
Male	203
Female	197

**Ethnicity**
Non-Hispanic White	191
Black	45
Hispanic	128
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	104
85 and over	78
Less than 65	105

Conditions of Medicare patients treated by Dr. Wilbert Timothy Tsai, MD in 2014

Hypertension	75
High Cholesterol	62
Stroke	14
Ischemic Heart Disease	52
Depression	39
Chronic Kidney Disease	49
Asthma	13
Osteoperosis	14
Atrial Fibrilation	15
Heart Failure	45
Chronic Obstructive Pulmonary Disease	31
Diabetes	52
Dementia	34
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA during 2015 were hospital care, inpatient care, nursing home care and blood draw.

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

blood draw	73
doctor visit	402
hospital care	1098
inpatient care	1059
nursing home care	226
outpatient care	39
preventive care	22
vaccines	22

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Wilbert Timothy Tsai, MD.

**Gender**
Male	376
Female	380

**Ethnicity**
Non-Hispanic White	360
Black	94
Hispanic	244
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	232
85 and over	128
Less than 65	194

Conditions of Medicare patients treated by Dr. Wilbert Timothy Tsai, MD in 2015

Hypertension	75
High Cholesterol	61
Stroke	17
Ischemic Heart Disease	54
Depression	32
Chronic Kidney Disease	56
Asthma	22
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	54
Chronic Obstructive Pulmonary Disease	32
Diabetes	53
Dementia	32
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA during 2016 were hospital care, inpatient care, nursing home care and blood draw.

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

blood draw	71
doctor visit	639
hospital care	1248
inpatient care	1234
nursing home care	282
outpatient care	14
preventive care	26
vaccines	26

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Wilbert Timothy Tsai, MD.

**Gender**
Male	193
Female	217

**Ethnicity**
Non-Hispanic White	223
Black	44
Hispanic	105
Asian	24
Other	14
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	111
85 and over	78
Less than 65	85

Conditions of Medicare patients treated by Dr. Wilbert Timothy Tsai, MD in 2016

Hypertension	75
High Cholesterol	64
Stroke	14
Ischemic Heart Disease	53
Depression	41
Chronic Kidney Disease	60
Asthma	36
Osteoperosis	14
Atrial Fibrilation	20
Heart Failure	50
Chronic Obstructive Pulmonary Disease	34
Diabetes	52
Dementia	35
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA during 2017 were hospital care, inpatient care, nursing home care and blood draw.

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

blood draw	85
doctor visit	621
hospital care	719
inpatient care	719
nursing home care	182
preventive care	21
vaccines	21

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Wilbert Timothy Tsai, MD.

**Gender**
Male	152
Female	162

**Ethnicity**
Non-Hispanic White	179
Black	32
Hispanic	81
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	93
From 75 to 84	80
85 and over	59
Less than 65	82

Conditions of Medicare patients treated by Dr. Wilbert Timothy Tsai, MD in 2017

Hypertension	75
High Cholesterol	58
Stroke	14
Ischemic Heart Disease	49
Depression	38
Chronic Kidney Disease	55
Asthma	8
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	41
Chronic Obstructive Pulmonary Disease	32
Diabetes	50
Dementia	30
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA during 2018 were hospital care, inpatient care, nursing home care and blood draw.

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

blood draw	71
doctor visit	769
hospital care	676
inpatient care	676
nursing home care	189
preventive care	27
vaccines	27

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Wilbert Timothy Tsai, MD.

**Gender**
Male	128
Female	140

**Ethnicity**
Non-Hispanic White	141
Black	31
Hispanic	72
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	61
85 and over	51
Less than 65	74

Conditions of Medicare patients treated by Dr. Wilbert Timothy Tsai, MD in 2018

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	40
Depression	40
Chronic Kidney Disease	51
Asthma	10
Osteoperosis	17
Atrial Fibrilation	15
Heart Failure	42
Chronic Obstructive Pulmonary Disease	32
Diabetes	51
Dementia	26
Cancer	7

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA during 2019 were hospital care, inpatient care, nursing home care and blood draw.

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

blood draw	75
doctor visit	651
hospital care	621
inpatient care	621
nursing home care	195

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Wilbert Timothy Tsai, MD.

**Gender**
Male	144
Female	146

**Ethnicity**
Non-Hispanic White	141
Black	35
Hispanic	83
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	93
From 75 to 84	82
85 and over	46
Less than 65	69

Conditions of Medicare patients treated by Dr. Wilbert Timothy Tsai, MD in 2019

Hypertension	75
High Cholesterol	71
Stroke	11
Ischemic Heart Disease	44
Depression	42
Chronic Kidney Disease	55
Asthma	9
Osteoperosis	16
Atrial Fibrilation	14
Heart Failure	50
Chronic Obstructive Pulmonary Disease	29
Diabetes	56
Dementia	33
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA during 2020 were hospital care, inpatient care, nursing home care and blood draw.

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

blood draw	37
doctor visit	352
hospital care	783
inpatient care	783
nursing home care	56

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Wilbert Timothy Tsai, MD.

**Gender**
Male	135
Female	154

**Ethnicity**
Non-Hispanic White	133
Black	0
Hispanic	94
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	90
85 and over	65
Less than 65	52

Conditions of Medicare patients treated by Dr. Wilbert Timothy Tsai, MD in 2020

Hypertension	75
High Cholesterol	71
Stroke	12
Ischemic Heart Disease	51
Depression	32
Chronic Kidney Disease	54
Asthma	9
Osteoperosis	17
Atrial Fibrilation	16
Heart Failure	53
Chronic Obstructive Pulmonary Disease	29
Diabetes	54
Dementia	32
Cancer	7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA during 2021 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

blood draw	50
doctor visit	428
hospital care	1015
inpatient care	1015

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Wilbert Timothy Tsai, MD.

**Gender**
Male	169
Female	181

**Ethnicity**
Non-Hispanic White	171
Black	30
Hispanic	102
Asian	35
Other	12
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	100
85 and over	86
Less than 65	55

Conditions of Medicare patients treated by Dr. Wilbert Timothy Tsai, MD in 2021

Hypertension	75
High Cholesterol	71
Stroke	13
Ischemic Heart Disease	51
Depression	29
Chronic Kidney Disease	54
Asthma	11
Osteoperosis	17
Atrial Fibrilation	18
Heart Failure	54
Chronic Obstructive Pulmonary Disease	25
Diabetes	53
Dementia	31
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA during 2022 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

blood draw	73
doctor visit	464
hospital care	361
inpatient care	361

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Wilbert Timothy Tsai, MD.

**Gender**
Male	119
Female	138

**Ethnicity**
Non-Hispanic White	125
Black	0
Hispanic	70
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	74
85 and over	48
Less than 65	37

Conditions of Medicare patients treated by Dr. Wilbert Timothy Tsai, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	29
Depression	30
Chronic Kidney Disease	33
Asthma	10
Osteoperosis	23
Atrial Fibrilation	22
Heart Failure	40
Chronic Obstructive Pulmonary Disease	23
Diabetes	49
Dementia	18
Cancer	10

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA during 2023 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

blood draw	92
doctor visit	442
hospital care	165
inpatient care	165

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Wilbert Timothy Tsai, MD.

**Gender**
Male	118
Female	126

**Ethnicity**
Non-Hispanic White	117
Black	0
Hispanic	62
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	66
85 and over	47
Less than 65	33

Conditions of Medicare patients treated by Dr. Wilbert Timothy Tsai, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	28
Depression	23
Chronic Kidney Disease	32
Asthma	11
Osteoperosis	20
Atrial Fibrilation	23
Heart Failure	40
Chronic Obstructive Pulmonary Disease	26
Diabetes	48
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA during 2024 were hospital care, inpatient care, blood draw and preventive care.

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

blood draw	84
doctor visit	414
hospital care	216
inpatient care	216
preventive care	16
vaccines	16

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Wilbert Timothy Tsai, MD.

**Gender**
Male	111
Female	123

**Ethnicity**
Non-Hispanic White	109
Black	0
Hispanic	60
Asian	45
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	70
85 and over	48
Less than 65	22

Conditions of Medicare patients treated by Dr. Wilbert Timothy Tsai, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	32
Depression	24
Chronic Kidney Disease	33
Asthma	12
Osteoperosis	22
Atrial Fibrilation	24
Heart Failure	35
Chronic Obstructive Pulmonary Disease	26
Diabetes	50
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Wilbert Timothy Tsai, MD for Medicare patients.

The highest averages for the top procedures that Dr. Wilbert Timothy Tsai, MD treated as a family medicine practitioner in Pomona, CA were hospital care, inpatient care, nursing home care and blood draw.

aspiration	22
blood draw	75
doctor visit	491
hospital care	764
injections	22
inpatient care	758
joint surgery	18
lower extremity surgery	18
nursing home care	189
outpatient care	26
preventive care	21
reconstructive surgery	18
vaccines	21

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Wilbert Timothy Tsai, MD.

**Gender**
Female	167
Male	153

**Ethnicity**
Black / African American	26
Asian / Pacific Islander	16
Non-Hispanic White	157
Hispanic	93
Native American / Alaskan Native	0
Other	2

**Age**
85 and over	62
75 to 84	89
Less than 65	68
65 to 74	99

Average of Total of Conditions of Medicare patients treated by Dr. Wilbert Timothy Tsai, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Wilbert Timothy Tsai, MD treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	69
High Cholesterol	62
Stroke	12
Ischemic Heart Disease	41
Depression	30
Chronic Kidney Disease	44
Asthma	12
Osteoporosis	15
Heart Failure	42
Chronic Obstructive Pulmonary Disease	27
Diabetes	47
Atrial Fibrillation	16
Cancer	9
Dementia	25

Education & Training

He completed residency at Pomona Valley Hospital Medical Center. He is certified by the Certification: Family Practice (General Cert) and has a state license in California.

Residency: Pomona Valley Hospital Medical Center (2010)

Board Certification: Certification: Family Practice (General Cert)

Licensed In: California

Affiliations & Hospitals

Dr. Wilbert Timothy Tsai, MD is associated with these hospitals and organizations:

Casa Colina Hospital and Centers for Healthcare

Pomona Valley Hospital Medical Center

Ratings & Reviews

Dr. Wilbert Timothy Tsai, MD has a good overall rating with an average of 3.4 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Wilbert Timothy Tsai, MD from all over the web to help you find the right in Pomona, CA.

3.4

Overall Rating

(5 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Amgen Inc.	$2,268 Prolia $918	Repatha $610	EVENITY $370	Aimovig $209	Otezla $13	Other $148
Janssen Pharmaceuticals, Inc	$1,554 INVOKANA $943	XARELTO $611
Novo Nordisk Inc	$1,331 Ozempic $394	Tresiba $254	RYBELSUS $146	Wegovy $122	NovoLog $20	Other $395
AstraZeneca Pharmaceuticals LP	$1,304 FARXIGA $338	ANDEXXA $260	SYMBICORT $130	BYDUREON $126	MOVANTIK $119	Other $331
SANOFI-AVENTIS U.S. LLC	$1,040 PRALUENT $413	TOUJEO $214	SOLIQUA 100/33 $213	SOLIQUA $92	LANTUS $65	Other $42
Other	$12,525 ELIQUIS $1,422	SAMSCA $720	NURTEC ODT $685	Da Vinci Surgical System $557	JARDIANCE $475	Other $8,666

**Types of Payments**
Food and Beverage	$19,409
Travel and Lodging	$465
Education	$148

Biography

Dr. Wilbert Tsai is a Pomona, CA physician who specializes in family medicine. He trained at Pomona Valley Hospital Medical Center for his residency. In addition to English, Dr. Tsai speaks Cantonese. His hospital/clinic affiliations include Casa Colina Hospital and Centers for Healthcare and Pomona Valley Hospital Medical Center.