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Dr. Gemma Tok Hyon Ko, M.D.

(5 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

University of Hawaii at Manoa, John A. Burns School of Medicine (1990)

4511 Rosemead Boulevard
Pico Rivera, CA 90660

(562) 692-3388

Dr. Gemma Tok Hyon Ko, M.D. is an internist in Pico Rivera, CA specializing in internal medicine (adult medicine). She graduated from University of Hawaii at Manoa, John A. Burns School of Medicine in 1990 and has 35 years of experience. Dr. Gemma Tok Hyon Ko, M.D. is affiliated with GEMMA TH KO, MD. INC.

Office Locations

Address:

4511 Rosemead Boulevard
Pico Rivera, CA 90660

blood draw	240
doctor visit	709
hospital care	308
inpatient care	308
lab tests	266
preventive care	304
vaccines	58

**Gender**
Male	57
Female	115

**Ethnicity**
Non-Hispanic White	36
Black	0
Hispanic	117
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	44
From 75 to 84	49
85 and over	45
Less than 65	34

blood draw	225
doctor visit	603
hospital care	489
inpatient care	489
lab tests	174
nursing home care	108
preventive care	194
vaccines	41

**Gender**
Male	144
Female	177

**Ethnicity**
Non-Hispanic White	72
Black	0
Hispanic	212
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	94
85 and over	81
Less than 65	61

blood draw	159
doctor visit	468
hospital care	552
inpatient care	552
lab tests	92
nursing home care	283
preventive care	113
vaccines	37

**Gender**
Male	336
Female	452

**Ethnicity**
Non-Hispanic White	140
Black	0
Hispanic	528
Asian	78
Other	0
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	216
85 and over	206
Less than 65	182

blood draw	150
doctor visit	438
hospital care	283
inpatient care	283
lab tests	104
nursing home care	362
preventive care	121
vaccines	33

**Gender**
Male	110
Female	180

**Ethnicity**
Non-Hispanic White	69
Black	0
Hispanic	182
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	74
85 and over	81
Less than 65	61

blood draw	154
doctor visit	460
hospital care	177
inpatient care	177
lab tests	48
nursing home care	456
preventive care	83
vaccines	34

**Gender**
Male	69
Female	125

**Ethnicity**
Non-Hispanic White	45
Black	0
Hispanic	113
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	45
From 75 to 84	50
85 and over	48
Less than 65	51

blood draw	159
doctor visit	430
hospital care	343
inpatient care	343
lab tests	40
nursing home care	346
preventive care	67
vaccines	26

**Gender**
Male	69
Female	119

**Ethnicity**
Non-Hispanic White	48
Black	0
Hispanic	113
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	52
85 and over	46
Less than 65	35

blood draw	131
doctor visit	445
hospital care	93
inpatient care	93
lab tests	21
nursing home care	189
preventive care	21

**Gender**
Male	34
Female	80

**Ethnicity**
Non-Hispanic White	28
Black	0
Hispanic	67
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	31
From 75 to 84	33
85 and over	39
Less than 65	11

blood draw	116
doctor visit	377
nursing home care	99

**Gender**
Male	22
Female	67

**Ethnicity**
Non-Hispanic White	24
Black	0
Hispanic	51
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	28
85 and over	29
Less than 65	0

blood draw	101
doctor visit	317
nursing home care	26

**Gender**
Male	15
Female	54

**Ethnicity**
Non-Hispanic White	21
Black	0
Hispanic	36
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	22
From 75 to 84	0
85 and over	20
Less than 65	0

blood draw	75
doctor visit	279

**Gender**
Male	11
Female	40

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

**Age**
From 65 to 74	0
From 75 to 84	18
85 and over	14
Less than 65	0

Average Medicare Procedure Volume From 2013 - 2022

Volume of procedures performed by Dr. Gemma Tok Hyon Ko, M.D. for Medicare patients.

The highest averages for the top procedures that Dr. Gemma Tok Hyon Ko, M.D. treated as an internist in Pico Rivera, CA were hospital care, inpatient care, nursing home care and blood draw.

blood draw	151
doctor visit	453
hospital care	320
inpatient care	320
lab tests	107
nursing home care	233
preventive care	130
vaccines	38

Average Medicare Patient Data From 2013 - 2022

Information about Medicare patients treated by Dr. Gemma Tok Hyon Ko, M.D..

**Gender**
Male	86
Female	140

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	13
Non-Hispanic White	48
Hispanic	144
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	61
85 and over	60
Less than 65	43
65 to 74	54

Average of Total of Conditions of Medicare patients treated by Dr. Gemma Tok Hyon Ko, M.D. From 2013 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gemma Tok Hyon Ko, M.D. treated were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	75
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	43
Depression	39
Chronic Kidney Disease	55
Asthma	12
Osteoporosis	14
Heart Failure	27
Chronic Obstructive Pulmonary Disease	21
Diabetes	55
Atrial Fibrillation	8
Cancer	3
Dementia	31

Education & Training

Dr. Gemma Tok Hyon Ko, M.D. graduated from University of Hawaii at Manoa, John A. Burns School of Medicine in 1990. She has a state license in California.

Medical School: University of Hawaii at Manoa, John A. Burns School of Medicine (1990)

Licensed In: California

Affiliations & Hospitals

Dr. Gemma Tok Hyon Ko, M.D. is associated with these hospitals and organizations:

GEMMA TH KO, MD. INC

Ratings & Reviews

Dr. Gemma Tok Hyon Ko, M.D. has a good overall rating with an average of 3.2 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Gemma Tok Hyon Ko, M.D. from all over the web to help you find the right in Pico Rivera, CA.

3.2

Overall Rating

(5 Ratings)

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General Payments

These charts describe general payments received by Dr. Gemma Tok Hyon Ko, M.D.. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Novo Nordisk Inc	$511 Victoza $139	RYBELSUS $124	Ozempic $114	Tresiba $58	NovoLog Mix 70 30 $22	Other $54
Amgen Inc.	$457 Repatha $379	Prolia $58	$20
AstraZeneca Pharmaceuticals LP	$312 BYDUREON PEN $89	FARXIGA $78	BYDUREON WEEKLY $57	ONGLYZA $21	BYDUREON $18	Other $49
Sunovion Pharmaceuticals Inc.	$222 Lonhala Magnair $154	APTIOM $67
Lilly USA, LLC	$204 TRULICITY $72	JARDIANCE $57	FORTEO $29	MOUNJARO $26	BASAGLAR $21
Other	$861 PRALUENT (alirocumab) Injection $118	MK-4305 $100	INVOKANA $90	Kerendia $73	XARELTO $70	Other $410

**Types of Payments**
Food and Beverage	$2,441
Consulting Fee	$100
Education	$26

Select Year:

Dr. Gemma Tok Hyon Ko, M.D.

Office Locations

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gemma Tok Hyon Ko, M.D. in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gemma Tok Hyon Ko, M.D. in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gemma Tok Hyon Ko, M.D. in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gemma Tok Hyon Ko, M.D. in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gemma Tok Hyon Ko, M.D. in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gemma Tok Hyon Ko, M.D. in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gemma Tok Hyon Ko, M.D. in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gemma Tok Hyon Ko, M.D. in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gemma Tok Hyon Ko, M.D. in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gemma Tok Hyon Ko, M.D. in 2022

Average Medicare Procedure Volume From 2013 - 2022

Average Medicare Patient Data From 2013 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Gemma Tok Hyon Ko, M.D. From 2013 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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