Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > CA Providers

Dr. Oliver Lim Ong, MD

Accepting New Patients

(No ratings)

Specializes in: Adult Endocrinology

George Washington University School of Medicine and Health Sciences

801 S Chevy Chase Drive #102
Glendale, CA 91205

(818) 265-2242

Dr. Oliver Lim Ong, MD is an endocrinologist in Glendale, CA specializing in adult endocrinology. He graduated from George Washington University School of Medicine and Health Sciences. Dr. Oliver Lim Ong, MD is affiliated with Dignity Health and Glendale Memorial Hospital and Health Center.

Office Locations

Glendale Memorial Hospital and Health Center

544 N Glendale Avenue Suite B
Glendale, CA 91206

(818) 265-2242

(818) 241-4475

open_in_new

801 S Chevy Chase Drive #102
Glendale, CA 91205

(818) 265-2242

(818) 265-2241

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Oliver Lim Ong, MD in 2023

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

Top 10%

By Volume:

inpatient hospital care

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2023, among providers in related specialties within California, Dr. Oliver Lim Ong, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 90% of them and he also 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 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. Oliver Lim Ong, MD treated as an endocrinologist in Glendale, CA during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Oliver Lim Ong, MD for Medicare patients.

doctor visit	698
hospital care	2167
inpatient care	2167

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Oliver Lim Ong, MD treated as an endocrinologist in Glendale, CA during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Oliver Lim Ong, MD for Medicare patients.

doctor visit	622
hospital care	1912
inpatient care	1912

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Oliver Lim Ong, MD.

**Gender**
Male	320
Female	446

**Ethnicity**
Non-Hispanic White	423
Black	0
Hispanic	185
Asian	100
Other	32
Native American	0

**Age**
From 65 to 74	271
From 75 to 84	268
85 and over	131
Less than 65	96

Conditions of Medicare patients treated by Dr. Oliver Lim Ong, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	75
Depression	38
Chronic Kidney Disease	64
Asthma	18
Osteoperosis	19
Atrial Fibrilation	21
Heart Failure	57
Chronic Obstructive Pulmonary Disease	34
Diabetes	75
Dementia	32
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Oliver Lim Ong, MD treated as an endocrinologist in Glendale, CA during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Oliver Lim Ong, MD for Medicare patients.

doctor visit	598
hospital care	1779
inpatient care	1779

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Oliver Lim Ong, MD.

**Gender**
Male	271
Female	411

**Ethnicity**
Non-Hispanic White	402
Black	0
Hispanic	150
Asian	86
Other	29
Native American	0

**Age**
From 65 to 74	250
From 75 to 84	249
85 and over	104
Less than 65	79

Conditions of Medicare patients treated by Dr. Oliver Lim Ong, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	73
Depression	36
Chronic Kidney Disease	66
Asthma	15
Osteoperosis	18
Atrial Fibrilation	20
Heart Failure	56
Chronic Obstructive Pulmonary Disease	31
Diabetes	75
Dementia	26
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Oliver Lim Ong, MD treated as an endocrinologist in Glendale, CA during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Oliver Lim Ong, MD for Medicare patients.

doctor visit	691
hospital care	1744
inpatient care	1744

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Oliver Lim Ong, MD.

**Gender**
Male	588
Female	898

**Ethnicity**
Non-Hispanic White	900
Black	0
Hispanic	278
Asian	180
Other	104
Native American	0

**Age**
From 65 to 74	568
From 75 to 84	504
85 and over	250
Less than 65	164

Conditions of Medicare patients treated by Dr. Oliver Lim Ong, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	74
Depression	39
Chronic Kidney Disease	65
Asthma	26
Osteoperosis	18
Atrial Fibrilation	20
Heart Failure	55
Chronic Obstructive Pulmonary Disease	35
Diabetes	75
Dementia	31
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Oliver Lim Ong, MD treated as an endocrinologist in Glendale, CA during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Oliver Lim Ong, MD for Medicare patients.

doctor visit	817
hospital care	1639
inpatient care	1639

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Oliver Lim Ong, MD.

**Gender**
Male	323
Female	465

**Ethnicity**
Non-Hispanic White	457
Black	0
Hispanic	136
Asian	114
Other	60
Native American	0

**Age**
From 65 to 74	285
From 75 to 84	279
85 and over	128
Less than 65	96

Conditions of Medicare patients treated by Dr. Oliver Lim Ong, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	73
Depression	40
Chronic Kidney Disease	72
Asthma	37
Osteoperosis	19
Atrial Fibrilation	19
Heart Failure	54
Chronic Obstructive Pulmonary Disease	36
Diabetes	75
Dementia	29
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Oliver Lim Ong, MD treated as an endocrinologist in Glendale, CA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Oliver Lim Ong, MD for Medicare patients.

doctor visit	740
hospital care	1551
inpatient care	1551

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Oliver Lim Ong, MD.

**Gender**
Male	331
Female	463

**Ethnicity**
Non-Hispanic White	455
Black	0
Hispanic	152
Asian	107
Other	59
Native American	0

**Age**
From 65 to 74	307
From 75 to 84	253
85 and over	138
Less than 65	96

Conditions of Medicare patients treated by Dr. Oliver Lim Ong, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	73
Depression	39
Chronic Kidney Disease	73
Asthma	16
Osteoperosis	16
Atrial Fibrilation	19
Heart Failure	54
Chronic Obstructive Pulmonary Disease	33
Diabetes	75
Dementia	29
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Oliver Lim Ong, MD treated as an endocrinologist in Glendale, CA during 2018 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Dr. Oliver Lim Ong, MD for Medicare patients.

diabetes management	80
doctor visit	787
hospital care	1211
inpatient care	1211
lab tests	80
preventive care	80

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Oliver Lim Ong, MD.

**Gender**
Male	293
Female	427

**Ethnicity**
Non-Hispanic White	397
Black	0
Hispanic	139
Asian	119
Other	49
Native American	0

**Age**
From 65 to 74	282
From 75 to 84	223
85 and over	139
Less than 65	76

Conditions of Medicare patients treated by Dr. Oliver Lim Ong, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	69
Depression	36
Chronic Kidney Disease	72
Asthma	11
Osteoperosis	19
Atrial Fibrilation	18
Heart Failure	50
Chronic Obstructive Pulmonary Disease	29
Diabetes	75
Dementia	30
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Oliver Lim Ong, MD treated as an endocrinologist in Glendale, CA during 2019 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Dr. Oliver Lim Ong, MD for Medicare patients.

diabetes management	131
doctor visit	754
hospital care	1474
inpatient care	1474
lab tests	131
preventive care	131

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Oliver Lim Ong, MD.

**Gender**
Male	309
Female	483

**Ethnicity**
Non-Hispanic White	451
Black	0
Hispanic	147
Asian	108
Other	65
Native American	0

**Age**
From 65 to 74	299
From 75 to 84	259
85 and over	154
Less than 65	80

Conditions of Medicare patients treated by Dr. Oliver Lim Ong, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	74
Depression	41
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	21
Atrial Fibrilation	21
Heart Failure	53
Chronic Obstructive Pulmonary Disease	32
Diabetes	75
Dementia	33
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Oliver Lim Ong, MD treated as an endocrinologist in Glendale, CA during 2020 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Dr. Oliver Lim Ong, MD for Medicare patients.

diabetes management	120
doctor visit	585
hospital care	1117
inpatient care	1117
lab tests	120
preventive care	120

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Oliver Lim Ong, MD.

**Gender**
Male	248
Female	409

**Ethnicity**
Non-Hispanic White	389
Black	0
Hispanic	110
Asian	91
Other	56
Native American	0

**Age**
From 65 to 74	276
From 75 to 84	184
85 and over	143
Less than 65	54

Conditions of Medicare patients treated by Dr. Oliver Lim Ong, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	69
Depression	38
Chronic Kidney Disease	68
Asthma	11
Osteoperosis	20
Atrial Fibrilation	19
Heart Failure	51
Chronic Obstructive Pulmonary Disease	25
Diabetes	75
Dementia	30
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Oliver Lim Ong, MD treated as an endocrinologist in Glendale, CA during 2021 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Dr. Oliver Lim Ong, MD for Medicare patients.

blood draw	12
diabetes management	48
doctor visit	730
hospital care	1501
inpatient care	1501
lab tests	48
preventive care	48

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Oliver Lim Ong, MD.

**Gender**
Male	296
Female	445

**Ethnicity**
Non-Hispanic White	420
Black	0
Hispanic	128
Asian	98
Other	0
Native American	0

**Age**
From 65 to 74	288
From 75 to 84	251
85 and over	136
Less than 65	66

Conditions of Medicare patients treated by Dr. Oliver Lim Ong, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	69
Depression	36
Chronic Kidney Disease	72
Asthma	10
Osteoperosis	22
Atrial Fibrilation	19
Heart Failure	49
Chronic Obstructive Pulmonary Disease	21
Diabetes	75
Dementia	29
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Oliver Lim Ong, MD treated as an endocrinologist in Glendale, CA during 2022 were hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Oliver Lim Ong, MD for Medicare patients.

blood draw	17
doctor visit	785
hospital care	855
inpatient care	855

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Oliver Lim Ong, MD.

**Gender**
Male	254
Female	400

**Ethnicity**
Non-Hispanic White	365
Black	0
Hispanic	103
Asian	96
Other	0
Native American	0

**Age**
From 65 to 74	271
From 75 to 84	236
85 and over	95
Less than 65	52

Conditions of Medicare patients treated by Dr. Oliver Lim Ong, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	54
Depression	36
Chronic Kidney Disease	45
Asthma	15
Osteoperosis	31
Atrial Fibrilation	27
Heart Failure	41
Chronic Obstructive Pulmonary Disease	25
Diabetes	75
Dementia	18
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Oliver Lim Ong, MD for Medicare patients.

The highest averages for the top procedures that Dr. Oliver Lim Ong, MD treated as an endocrinologist in Glendale, CA were hospital care, inpatient care, lab tests and preventive care.

blood draw	14
diabetes management	94
doctor visit	709
hospital care	1540
inpatient care	1540
lab tests	94
preventive care	94

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Oliver Lim Ong, MD.

**Gender**
Male	293
Female	440

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	99
Non-Hispanic White	423
Native American / Alaskan Native	0
Hispanic	138
Other	41

**Age**
75 to 84	246
85 and over	128
Less than 65	78
65 to 74	281

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

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

Hypertension	68
High Cholesterol	68
Stroke	11
Ischemic Heart Disease	63
Depression	34
Chronic Kidney Disease	61
Asthma	15
Osteoporosis	18
Heart Failure	47
Chronic Obstructive Pulmonary Disease	27
Diabetes	68
Atrial Fibrillation	18
Dementia	26
Cancer	10

Education & Training

Dr. Oliver Lim Ong, MD graduated from George Washington University School of Medicine and Health Sciences. He has a state license in California.

Medical School: George Washington University School of Medicine and Health Sciences

Licensed In: California

Affiliations & Hospitals

Dr. Oliver Lim Ong, MD is associated with these hospitals and organizations:

Dignity Health

Glendale Memorial Hospital and Health Center

Ratings & Reviews

Dr. Oliver Lim Ong, MD does not have any reviews yet, be the first to leave a review of Dr. Oliver Lim Ong, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Novo Nordisk Inc	$3,508 Ozempic $922	Tresiba $754	RYBELSUS $567	Victoza $449	NovoLog Mix 70/30 $100	Other $715
Lilly USA, LLC	$2,027 TRULICITY $507	JARDIANCE $434	MOUNJARO $308	BASAGLAR $227	LYUMJEV $99	Other $451
SANOFI-AVENTIS U.S. LLC	$1,884 TOUJEO $740	LANTUS $345	SOLIQUA 100/33 $308	PRALUENT $147	SOLIQUA $140	Other $204
AstraZeneca Pharmaceuticals LP	$1,711 FARXIGA $1,300	BYDUREON $120	BYDUREON WEEKLY $102	BYDUREON PEN $66	LOKELMA $18	Other $106
Boehringer Ingelheim Pharmaceuticals, Inc.	$1,362 JARDIANCE $1,002	GLYXAMBI $157	JENTADUETO $76	TRADJENTA $36	$91
Other	$9,147 Synthroid $555	Repatha $504	AFREZZA $385	INVOKANA $346	Kerendia $346	Other $7,011

**Types of Payments**
Food and Beverage	$19,230
Education	$409

Biography

Dr. Oliver Ong is an adult endocrinology specialist in Glendale, CA. He studied medicine at George Washington University School of Medicine and Health Sciences. Dr. Ong (or staff) speaks Mandarin and Filipino. He is affiliated with Glendale Memorial Hospital and Health Center. His practice in Glendale, CA is open to new patients as reported by Dignity Health.