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Dr. Hedy Cecilia Loa, MD

Accepting New Patients

(6 Ratings)

Specializes in: Internal Medicine (Adult Medicine) and Geriatrics (Elderly Care)

University of Indonesia Faculty of Medicine

1131 W. Sixth Street Suite 150
Ontario, CA 91762

(909) 482-4462

Dr. Hedy Cecilia Loa, MD is an internist in Ontario, CA specializing in internal medicine (adult medicine) and geriatrics (elderly care). She graduated from University of Indonesia Faculty of Medicine. Dr. Hedy Cecilia Loa, MD is affiliated with Astrana Health, Casa Colina Hospital and Centers for Healthcare, Montclair Hospital Medical Center, Allied Pacific IPA and OUR FAMILY MEDICAL GROUP INC.

Office Locations

1131 W. Sixth Street Suite 150
Ontario, CA 91762

(909) 482-4462

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA during 2012 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

doctor visit	756
hospital care	1467
inpatient care	1467
nursing home care	696
preventive care	72
vaccines	72

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA during 2013 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

doctor visit	815
hospital care	1059
inpatient care	1059
nursing home care	532
preventive care	53
vaccines	53

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Hedy Cecilia Loa, MD.

**Gender**
Male	123
Female	235

**Ethnicity**
Non-Hispanic White	140
Black	0
Hispanic	117
Asian	63
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	110
85 and over	69
Less than 65	91

Conditions of Medicare patients treated by Dr. Hedy Cecilia Loa, MD in 2013

Hypertension	71
High Cholesterol	49
Stroke	13
Ischemic Heart Disease	41
Depression	22
Chronic Kidney Disease	46
Asthma	8
Osteoperosis	16
Atrial Fibrilation	13
Heart Failure	39
Chronic Obstructive Pulmonary Disease	24
Diabetes	47
Dementia	33
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA during 2014 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

doctor visit	546
hospital care	774
inpatient care	774
nursing home care	533
preventive care	39
vaccines	39

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Hedy Cecilia Loa, MD.

**Gender**
Male	108
Female	207

**Ethnicity**
Non-Hispanic White	131
Black	0
Hispanic	106
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	97
85 and over	58
Less than 65	74

Conditions of Medicare patients treated by Dr. Hedy Cecilia Loa, MD in 2014

Hypertension	70
High Cholesterol	47
Stroke	11
Ischemic Heart Disease	40
Depression	20
Chronic Kidney Disease	40
Asthma	7
Osteoperosis	16
Atrial Fibrilation	10
Heart Failure	35
Chronic Obstructive Pulmonary Disease	18
Diabetes	43
Dementia	28
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA during 2015 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

doctor visit	466
hospital care	854
inpatient care	854
nursing home care	375
preventive care	40
vaccines	40

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Hedy Cecilia Loa, MD.

**Gender**
Male	172
Female	374

**Ethnicity**
Non-Hispanic White	224
Black	0
Hispanic	172
Asian	90
Other	0
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	178
85 and over	122
Less than 65	78

Conditions of Medicare patients treated by Dr. Hedy Cecilia Loa, MD in 2015

Hypertension	75
High Cholesterol	51
Stroke	16
Ischemic Heart Disease	42
Depression	25
Chronic Kidney Disease	45
Asthma	14
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	37
Chronic Obstructive Pulmonary Disease	21
Diabetes	50
Dementia	37
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA during 2016 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

doctor visit	470
hospital care	692
inpatient care	692
nursing home care	300
preventive care	33
vaccines	33

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Hedy Cecilia Loa, MD.

**Gender**
Male	65
Female	157

**Ethnicity**
Non-Hispanic White	77
Black	0
Hispanic	77
Asian	45
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	77
85 and over	53
Less than 65	29

Conditions of Medicare patients treated by Dr. Hedy Cecilia Loa, MD in 2016

Hypertension	75
High Cholesterol	54
Stroke	15
Ischemic Heart Disease	43
Depression	14
Chronic Kidney Disease	41
Asthma	15
Osteoperosis	17
Atrial Fibrilation	13
Heart Failure	36
Chronic Obstructive Pulmonary Disease	15
Diabetes	46
Dementia	33
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA during 2017 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

doctor visit	378
hospital care	738
inpatient care	738
nursing home care	301
preventive care	28
vaccines	28

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Hedy Cecilia Loa, MD.

**Gender**
Male	69
Female	167

**Ethnicity**
Non-Hispanic White	102
Black	0
Hispanic	66
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	67
From 75 to 84	70
85 and over	62
Less than 65	37

Conditions of Medicare patients treated by Dr. Hedy Cecilia Loa, MD in 2017

Hypertension	73
High Cholesterol	49
Stroke	17
Ischemic Heart Disease	43
Depression	23
Chronic Kidney Disease	44
Asthma	5
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	38
Chronic Obstructive Pulmonary Disease	17
Diabetes	46
Dementia	34
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA during 2018 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

doctor visit	353
hospital care	348
inpatient care	348
nursing home care	303
preventive care	15
vaccines	15

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Hedy Cecilia Loa, MD.

**Gender**
Male	47
Female	133

**Ethnicity**
Non-Hispanic White	68
Black	0
Hispanic	46
Asian	44
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	54
85 and over	48
Less than 65	23

Conditions of Medicare patients treated by Dr. Hedy Cecilia Loa, MD in 2018

Hypertension	74
High Cholesterol	59
Stroke	12
Ischemic Heart Disease	39
Depression	23
Chronic Kidney Disease	38
Asthma	0
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	31
Chronic Obstructive Pulmonary Disease	16
Diabetes	44
Dementia	33
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA during 2019 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

doctor visit	349
hospital care	259
inpatient care	259
nursing home care	242
preventive care	15
vaccines	15

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Hedy Cecilia Loa, MD.

**Gender**
Male	40
Female	115

**Ethnicity**
Non-Hispanic White	59
Black	0
Hispanic	35
Asian	40
Other	0
Native American	0

**Age**
From 65 to 74	57
From 75 to 84	47
85 and over	35
Less than 65	16

Conditions of Medicare patients treated by Dr. Hedy Cecilia Loa, MD in 2019

Hypertension	72
High Cholesterol	66
Stroke	8
Ischemic Heart Disease	33
Depression	19
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	31
Chronic Obstructive Pulmonary Disease	12
Diabetes	45
Dementia	29
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA during 2020 were nursing home care.

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

doctor visit	305
nursing home care	32

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Hedy Cecilia Loa, MD.

**Gender**
Male	35
Female	82

**Ethnicity**
Non-Hispanic White	43
Black	0
Hispanic	29
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	44
From 75 to 84	34
85 and over	23
Less than 65	16

Conditions of Medicare patients treated by Dr. Hedy Cecilia Loa, MD in 2020

Hypertension	67
High Cholesterol	62
Stroke	10
Ischemic Heart Disease	36
Depression	19
Chronic Kidney Disease	37
Asthma	0
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	26
Chronic Obstructive Pulmonary Disease	0
Diabetes	46
Dementia	24
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA during 2021 were nursing home care.

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

doctor visit	346
nursing home care	123

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Hedy Cecilia Loa, MD.

**Gender**
Male	41
Female	91

**Ethnicity**
Non-Hispanic White	45
Black	0
Hispanic	30
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	42
85 and over	20
Less than 65	20

Conditions of Medicare patients treated by Dr. Hedy Cecilia Loa, MD in 2021

Hypertension	73
High Cholesterol	67
Stroke	9
Ischemic Heart Disease	31
Depression	17
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	13
Atrial Fibrilation	9
Heart Failure	30
Chronic Obstructive Pulmonary Disease	0
Diabetes	47
Dementia	17
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA during 2022 were nursing home care.

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

doctor visit	299
nursing home care	107

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Hedy Cecilia Loa, MD.

**Gender**
Male	42
Female	91

**Ethnicity**
Non-Hispanic White	42
Black	0
Hispanic	29
Asian	41
Other	0
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	49
85 and over	21
Less than 65	15

Conditions of Medicare patients treated by Dr. Hedy Cecilia Loa, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	21
Atrial Fibrilation	18
Heart Failure	24
Chronic Obstructive Pulmonary Disease	0
Diabetes	47
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA during 2023 were nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

doctor visit	233
nursing home care	91
preventive care	18
vaccines	18

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Hedy Cecilia Loa, MD.

**Gender**
Male	47
Female	89

**Ethnicity**
Non-Hispanic White	40
Black	0
Hispanic	36
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	48
85 and over	25
Less than 65	15

Conditions of Medicare patients treated by Dr. Hedy Cecilia Loa, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	20
Depression	13
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	16
Atrial Fibrilation	18
Heart Failure	23
Chronic Obstructive Pulmonary Disease	13
Diabetes	46
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA during 2024 were preventive care and vaccines.

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

doctor visit	218
preventive care	24
vaccines	24

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Hedy Cecilia Loa, MD.

**Gender**
Male	28
Female	68

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	29
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	33
From 75 to 84	38
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Hedy Cecilia Loa, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	24
Depression	16
Chronic Kidney Disease	33
Asthma	0
Osteoperosis	13
Atrial Fibrilation	18
Heart Failure	21
Chronic Obstructive Pulmonary Disease	11
Diabetes	48
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Hedy Cecilia Loa, MD for Medicare patients.

The highest averages for the top procedures that Dr. Hedy Cecilia Loa, MD treated as an internist in Ontario, CA were hospital care, inpatient care, nursing home care and preventive care.

doctor visit	425
hospital care	773
inpatient care	773
nursing home care	302
preventive care	33
vaccines	33

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Hedy Cecilia Loa, MD.

**Gender**
Male	62
Female	139

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	41
Non-Hispanic White	74
Hispanic	59
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	64
85 and over	41
Less than 65	31
65 to 74	62

Average of Total of Conditions of Medicare patients treated by Dr. Hedy Cecilia Loa, MD From 2012 - 2024

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

Hypertension	67
High Cholesterol	56
Stroke	10
Ischemic Heart Disease	32
Depression	17
Chronic Kidney Disease	35
Asthma	3
Osteoporosis	12
Heart Failure	28
Chronic Obstructive Pulmonary Disease	11
Diabetes	42
Atrial Fibrillation	12
Cancer	7
Dementia	22

Education & Training

Dr. Hedy Cecilia Loa, MD graduated from University of Indonesia Faculty of Medicine. She completed residency at Montefiore Medical Center. She is certified by the Certification: AMERICAN BOARD OF INTERNAL MEDICINE and has a state license in California.

Medical School: University of Indonesia Faculty of Medicine

Residency: Montefiore Medical Center

Board Certification: Certification: AMERICAN BOARD OF INTERNAL MEDICINE

Licensed In: California

Affiliations & Hospitals

Dr. Hedy Cecilia Loa, MD is associated with these hospitals and organizations:

Astrana Health

Casa Colina Hospital and Centers for Healthcare

Montclair Hospital Medical Center

Allied Pacific IPA

OUR FAMILY MEDICAL GROUP INC

Ratings & Reviews

Dr. Hedy Cecilia Loa, MD has a good overall rating with an average of 3.17 out of 5 stars based on 6 ratings. We collect ratings and reviews of Dr. Hedy Cecilia Loa, MD from all over the web to help you find the right in Ontario, CA.

3.17

Overall Rating

(6 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 2.0 2025-06-06

Office staff needs improvement. I always have to wait to see Dr Hedy

General Payments

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

**Payments by Company**
Novo Nordisk Inc	$971 NovoLog $317	Victoza $219	Tresiba $158	RYBELSUS $96	Ozempic $95	Other $86
Janssen Pharmaceuticals, Inc	$612 INVOKANA $521	XARELTO $91
AstraZeneca Pharmaceuticals LP	$558 BYDUREON $195	FARXIGA $152	BEVESPI AEROSPHERE $101	DALIRESP $83	MOVANTIK $27
Boehringer Ingelheim Pharmaceuticals, Inc.	$458 JARDIANCE $233	GLYXAMBI $100	TRADJENTA $82	SPIRIVA RESPIMAT $40	Pradaxa $3
Abbott Laboratories	$370 Freestyle Libre 2 $116	FREESTYLE LIBRE 3 $87	Diabetes Care $58	FreeStyle Libre Pro $39	FreeStyle Libre blood glucose Flash Monitoring System $36	Other $33
Other	$1,683 LANTUS $179	BYDUREON $146	AFREZZA $123	QVAR $115	BRISDELLE $103	Other $1,017

**Types of Payments**
Food and Beverage	$4,449
Education	$204

Biography

Dr. Hedy Loa's specialty is geriatrics (elderly care). Her average patient rating is 3.0 stars (out of 5). She attended medical school at the University of Indonesia Faculty of Medicine. Dr. Loa's training includes a residency program at Montefiore Medical Center. Dr. Loa (or staff) speaks the following languages: Spanish and Indonesian. She is professionally affiliated with Astrana Health, Montclair Hospital Medical Center, and Casa Colina Hospital and Centers for Healthcare. According to Astrana Health, she is currently accepting new patients at her office in Ontario, CA.