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Dr. Lester Co Ong, MD

(Dr. Lester Ong, M.D.)

(No ratings)

Specializes in: Internal Medicine (Adult Medicine)

University of Santo Tomas Faculty of Medicine and Surgery (1988)

150 River N Boulevard
Stephenville, TX 76401

(254) 968-6051

Dr. Lester Co Ong, MD is an internist in Stephenville, TX specializing in internal medicine (adult medicine). He graduated from University of Santo Tomas Faculty of Medicine and Surgery in 1988 and has 38 years of experience. Dr. Lester Co Ong, MD is affiliated with Texas Health Resources.

Office Locations

Texas Health Resources

150 River N Boulevard
Stephenville, TX 76401

(254) 968-6051

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Noteworthy Medicare Patient Procedures Performed by Dr. Lester Co Ong, MD in 2023

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

Top 10%

By Volume:

blood draw

lab tests

phlebotomy for lab tests

preventive care

By Affordability:

blood count tests

complete blood count

In 2023, among providers in related specialties within Texas, Dr. Lester Co Ong, MD performed more blood draw, lab tests, phlebotomy for lab tests, and preventive care procedures for Medicare patients than 90% of them and he also had a list price for blood count tests, and complete blood count (CBC) 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:

prostate-specific antigen test

screening mammogram

X-rays

In 2012, Dr. Lester Co Ong, MD performed more A1C test, complete blood count (CBC), flu shot, immunization (preventive vaccines), prostate-specific antigen (PSA) test, screening mammogram, and X-rays procedures for Medicare patients than 75% of providers in related specialties within Texas.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Lester Co Ong, MD treated as an internist in Stephenville, TX during 2012 were lab tests, blood draw, preventive care and hospital care.

Volume of procedures performed by Dr. Lester Co Ong, MD for Medicare patients.

ambulatory monitoring	12
blood draw	1445
brain imaging (neuroimaging)	15
breast procedures	48
cardiac procedures	12
CT scan	15
diabetes management	289
doctor visit	2129
ear procedures	19
hip imaging	13
hospital care	473
inpatient care	366
lab tests	3479
musculoskeletal imaging	42
nursing home care	105
outpatient care	107
preventive care	881
spinal procedures	18
thoracic (chest) imaging	109
thyroid function tests	211
ultrasound (sonogram)	23
vaccines	160
vascular procedures	23
women's imaging	48
X-rays	217

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Lester Co Ong, MD treated as an internist in Stephenville, TX during 2013 were lab tests, blood draw, preventive care and hospital care.

Volume of procedures performed by Dr. Lester Co Ong, MD for Medicare patients.

ambulatory monitoring	25
blood draw	1400
breast procedures	59
cardiac procedures	40
diabetes management	243
doctor visit	2037
hip imaging	13
hospital care	421
inpatient care	369
lab tests	3514
musculoskeletal imaging	41
nursing home care	99
outpatient care	52
preventive care	882
spinal procedures	19
stress testing	15
thoracic (chest) imaging	109
thyroid function tests	206
ultrasound (sonogram)	21
vaccines	192
vascular procedures	21
women's imaging	59
X-rays	228

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester Co Ong, MD.

**Gender**
Male	296
Female	467

**Ethnicity**
Non-Hispanic White	725
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	285
From 75 to 84	267
85 and over	144
Less than 65	67

Conditions of Medicare patients treated by Dr. Lester Co Ong, MD in 2013

Hypertension	64
High Cholesterol	38
Stroke	7
Ischemic Heart Disease	35
Depression	25
Chronic Kidney Disease	16
Asthma	6
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	19
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Lester Co Ong, MD treated as an internist in Stephenville, TX during 2014 were lab tests, blood draw, preventive care and hospital care.

Volume of procedures performed by Dr. Lester Co Ong, MD for Medicare patients.

ambulatory monitoring	15
blood draw	1338
breast procedures	50
cardiac procedures	27
diabetes management	156
doctor visit	2040
hip imaging	17
hospital care	320
inpatient care	282
lab tests	3283
musculoskeletal imaging	28
nursing home care	80
outpatient care	38
preventive care	717
spinal procedures	32
stress testing	12
thoracic (chest) imaging	87
thyroid function tests	215
ultrasound (sonogram)	26
vaccines	155
vascular procedures	26
women's imaging	50
X-rays	197

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester Co Ong, MD.

**Gender**
Male	275
Female	470

**Ethnicity**
Non-Hispanic White	711
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	298
From 75 to 84	248
85 and over	130
Less than 65	69

Conditions of Medicare patients treated by Dr. Lester Co Ong, MD in 2014

Hypertension	63
High Cholesterol	33
Stroke	6
Ischemic Heart Disease	34
Depression	26
Chronic Kidney Disease	16
Asthma	5
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Lester Co Ong, MD treated as an internist in Stephenville, TX during 2015 were lab tests, blood draw, preventive care and hospital care.

Volume of procedures performed by Dr. Lester Co Ong, MD for Medicare patients.

blood draw	1047
breast procedures	49
doctor visit	1847
hip imaging	16
hospital care	344
inpatient care	311
lab tests	2536
musculoskeletal imaging	32
nursing home care	45
outpatient care	33
preventive care	549
spinal procedures	19
thoracic (chest) imaging	96
thyroid function tests	196
ultrasound (sonogram)	13
vaccines	187
vascular procedures	13
women's imaging	49
X-rays	196

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester Co Ong, MD.

**Gender**
Male	588
Female	862

**Ethnicity**
Non-Hispanic White	1368
Black	0
Hispanic	56
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	616
From 75 to 84	438
85 and over	266
Less than 65	130

Conditions of Medicare patients treated by Dr. Lester Co Ong, MD in 2015

Hypertension	64
High Cholesterol	35
Stroke	6
Ischemic Heart Disease	33
Depression	22
Chronic Kidney Disease	18
Asthma	9
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	15
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Lester Co Ong, MD treated as an internist in Stephenville, TX during 2016 were lab tests, blood draw, preventive care and hospital care.

Volume of procedures performed by Dr. Lester Co Ong, MD for Medicare patients.

blood draw	453
breast procedures	52
doctor visit	1865
hospital care	323
inpatient care	308
lab tests	1747
musculoskeletal imaging	12
nursing home care	51
outpatient care	15
preventive care	399
spinal procedures	19
thoracic (chest) imaging	73
thyroid function tests	169
ultrasound (sonogram)	17
vaccines	178
vascular procedures	17
women's imaging	52
X-rays	156

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester Co Ong, MD.

**Gender**
Male	282
Female	450

**Ethnicity**
Non-Hispanic White	688
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	303
From 75 to 84	240
85 and over	117
Less than 65	72

Conditions of Medicare patients treated by Dr. Lester Co Ong, MD in 2016

Hypertension	65
High Cholesterol	34
Stroke	5
Ischemic Heart Disease	31
Depression	19
Chronic Kidney Disease	20
Asthma	14
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	17
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Lester Co Ong, MD treated as an internist in Stephenville, TX during 2017 were lab tests, inpatient care, hospital care and preventive care.

Volume of procedures performed by Dr. Lester Co Ong, MD for Medicare patients.

ambulatory monitoring	13
blood draw	83
breast procedures	54
cardiac procedures	48
doctor visit	1712
hospital care	249
inpatient care	249
lab tests	328
musculoskeletal imaging	11
nuclear scan	18
nursing home care	79
preventive care	223
spinal procedures	25
stress testing	35
thoracic (chest) imaging	76
thyroid function tests	42
ultrasound (sonogram)	15
vaccines	169
vascular procedures	15
women's imaging	54
X-rays	166

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester Co Ong, MD.

**Gender**
Male	280
Female	386

**Ethnicity**
Non-Hispanic White	622
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	292
From 75 to 84	213
85 and over	103
Less than 65	58

Conditions of Medicare patients treated by Dr. Lester Co Ong, MD in 2017

Hypertension	65
High Cholesterol	26
Stroke	5
Ischemic Heart Disease	31
Depression	23
Chronic Kidney Disease	21
Asthma	5
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Lester Co Ong, MD treated as an internist in Stephenville, TX during 2018 were inpatient care, hospital care, preventive care and vaccines.

Volume of procedures performed by Dr. Lester Co Ong, MD for Medicare patients.

abdominal imaging	14
breast procedures	53
cardiac procedures	25
doctor visit	1763
hospital care	295
inpatient care	295
lab tests	125
musculoskeletal imaging	11
nuclear scan	13
nursing home care	91
preventive care	227
spinal procedures	25
stress testing	25
ultrasound (sonogram)	26
vaccines	174
vascular procedures	12
women's imaging	53
X-rays	89

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester Co Ong, MD.

**Gender**
Male	305
Female	401

**Ethnicity**
Non-Hispanic White	657
Black	0
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	301
From 75 to 84	245
85 and over	96
Less than 65	64

Conditions of Medicare patients treated by Dr. Lester Co Ong, MD in 2018

Hypertension	70
High Cholesterol	44
Stroke	6
Ischemic Heart Disease	30
Depression	23
Chronic Kidney Disease	25
Asthma	4
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Lester Co Ong, MD treated as an internist in Stephenville, TX during 2019 were preventive care, nursing home care, vaccines and inpatient care.

Volume of procedures performed by Dr. Lester Co Ong, MD for Medicare patients.

breast procedures	52
cardiac procedures	30
doctor visit	1762
hospital care	150
inpatient care	150
lab tests	82
musculoskeletal imaging	19
nuclear scan	15
nursing home care	152
preventive care	204
spinal procedures	18
stress testing	30
ultrasound (sonogram)	15
vaccines	152
vascular procedures	15
women's imaging	52
X-rays	89

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester Co Ong, MD.

**Gender**
Male	286
Female	370

**Ethnicity**
Non-Hispanic White	607
Black	0
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	283
From 75 to 84	223
85 and over	0
Less than 65	61

Conditions of Medicare patients treated by Dr. Lester Co Ong, MD in 2019

Hypertension	71
High Cholesterol	46
Stroke	5
Ischemic Heart Disease	28
Depression	26
Chronic Kidney Disease	24
Asthma	4
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Lester Co Ong, MD treated as an internist in Stephenville, TX during 2020 were preventive care, vaccines, nursing home care and inpatient care.

Volume of procedures performed by Dr. Lester Co Ong, MD for Medicare patients.

abdominal imaging	13
breast procedures	59
cardiac procedures	22
doctor visit	1491
hospital care	119
inpatient care	119
lab tests	86
musculoskeletal imaging	23
nuclear scan	11
nursing home care	175
preventive care	304
spinal procedures	18
stress testing	22
ultrasound (sonogram)	25
vaccines	226
vascular procedures	12
women's imaging	59
X-rays	100

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester Co Ong, MD.

**Gender**
Male	301
Female	358

**Ethnicity**
Non-Hispanic White	607
Black	0
Hispanic	35
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	280
From 75 to 84	229
85 and over	92
Less than 65	58

Conditions of Medicare patients treated by Dr. Lester Co Ong, MD in 2020

Hypertension	67
High Cholesterol	45
Stroke	6
Ischemic Heart Disease	26
Depression	30
Chronic Kidney Disease	25
Asthma	5
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Lester Co Ong, MD treated as an internist in Stephenville, TX during 2021 were lab tests, preventive care, blood draw and diabetes management.

Volume of procedures performed by Dr. Lester Co Ong, MD for Medicare patients.

blood draw	645
breast procedures	61
cardiac procedures	30
diabetes management	207
doctor visit	1429
hospital care	138
inpatient care	138
lab tests	1815
musculoskeletal imaging	18
nuclear scan	15
nursing home care	105
preventive care	718
spinal procedures	24
stress testing	30
thyroid function tests	111
ultrasound (sonogram)	33
vaccines	132
vascular procedures	49
women's imaging	61
X-rays	103

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester Co Ong, MD.

**Gender**
Male	275
Female	345

**Ethnicity**
Non-Hispanic White	575
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	278
From 75 to 84	216
85 and over	82
Less than 65	44

Conditions of Medicare patients treated by Dr. Lester Co Ong, MD in 2021

Hypertension	70
High Cholesterol	46
Stroke	7
Ischemic Heart Disease	29
Depression	29
Chronic Kidney Disease	27
Asthma	6
Osteoperosis	5
Atrial Fibrilation	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	15
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Lester Co Ong, MD treated as an internist in Stephenville, TX during 2022 were lab tests, preventive care, blood draw and diabetes management.

Volume of procedures performed by Dr. Lester Co Ong, MD for Medicare patients.

blood draw	612
breast procedures	57
chronic care	43
diabetes management	193
doctor visit	1289
hospital care	179
inpatient care	179
lab tests	1781
musculoskeletal imaging	33
nursing home care	129
preventive care	660
spinal procedures	15
thyroid function tests	115
ultrasound (sonogram)	29
vaccines	134
vascular procedures	29
women's imaging	57
X-rays	105

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester Co Ong, MD.

**Gender**
Male	263
Female	293

**Ethnicity**
Non-Hispanic White	513
Black	0
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	208
85 and over	76
Less than 65	27

Conditions of Medicare patients treated by Dr. Lester Co Ong, MD in 2022

Hypertension	75
High Cholesterol	61
Stroke	13
Ischemic Heart Disease	23
Depression	26
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	14
Chronic Obstructive Pulmonary Disease	18
Diabetes	26
Dementia	10
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Lester Co Ong, MD for Medicare patients.

The highest averages for the top procedures that Dr. Lester Co Ong, MD treated as an internist in Stephenville, TX were lab tests, blood draw, preventive care and hospital care.

abdominal imaging	13
ambulatory monitoring	16
blood draw	877
brain imaging (neuroimaging)	15
breast procedures	54
cardiac procedures	29
chronic care	43
CT scan	15
diabetes management	217
doctor visit	1760
ear procedures	19
hip imaging	14
hospital care	273
inpatient care	251
lab tests	1706
musculoskeletal imaging	24
nuclear scan	14
nursing home care	101
outpatient care	49
preventive care	524
spinal procedures	21
stress testing	24
thoracic (chest) imaging	91
thyroid function tests	158
ultrasound (sonogram)	22
vaccines	169
vascular procedures	21
women's imaging	54
X-rays	149

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Lester Co Ong, MD.

**Gender**
Female	400
Male	286

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	643
Hispanic	16
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	100
75 to 84	229
Less than 65	59
65 to 74	289

Average of Total of Conditions of Medicare patients treated by Dr. Lester Co Ong, MD From 2012 - 2022

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

Hypertension	61
High Cholesterol	37
Stroke	6
Ischemic Heart Disease	27
Depression	22
Chronic Kidney Disease	19
Asthma	5
Osteoporosis	5
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Atrial Fibrillation	11
Dementia	13
Cancer	9

Education & Training

Dr. Lester Co Ong, MD graduated from University of Santo Tomas Faculty of Medicine and Surgery in 1988. He completed residency at Chinese General Hospital. He has a state license in Texas.

Medical School: University of Santo Tomas Faculty of Medicine and Surgery (1988)

Residency: Chinese General Hospital (1992)

Licensed In: Texas

Affiliations & Hospitals

Dr. Lester Co Ong, MD is associated with these hospitals and organizations:

Texas Health Resources

Ratings & Reviews

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General Payments

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

**Payments by Company**
Novo Nordisk Inc	$745 Victoza $238	NovoLog $208	Ozempic $99	RYBELSUS $77	Tresiba $76	Other $47
Astellas Pharma US Inc	$466 Myrbetriq $409	Vesicare $41	Veozah $15
E.R. Squibb & Sons, L.L.C.	$441 ELIQUIS $441
Janssen Pharmaceuticals, Inc	$424 XARELTO $211	INVOKANA $206	INVOKAMET $7
Lilly USA, LLC	$368 TRULICITY $149	BASAGLAR $84	EMGALITY $48	JARDIANCE $42	TRIJARDY XR $28	Other $17
Other	$2,719 TOUJEO $172	SOLUMATRIX FRANCHISE $156	ENTRESTO $123	Tymlos $88	JANUMET XR $87	Other $2,093

**Types of Payments**
Food and Beverage	$5,081
Education	$82

Biography

Dr. Lester Ong's professional affiliations include Texas Health Stephenville and Texas Health Care. Dr. Ong is a graduate of the University of Santo Tomas Faculty of Medicine and Surgery. For his professional training, Dr. Ong completed a residency program at Maimonides Medical Center. In addition to English, he speaks Spanish.