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Dr. Kwan Toh Tan, MD

Accepting New Patients

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Specializes in: Internal Medicine (Adult Medicine)

Oral Roberts University School of Medicine

7872 Walker Street
La Palma, CA 90623

(714) 527-8777

Dr. Kwan Toh Tan, MD is an internist in La Palma, CA specializing in internal medicine (adult medicine). He graduated from Oral Roberts University School of Medicine. Dr. Kwan Toh Tan, MD is affiliated with Astrana Health, Allied Pacific IPA and JOSHUA INTERNATIONAL MEDICAL GROUP.

Office Locations

JOSHUA INTERNATIONAL MEDICAL GROUP

7872 Walker Street
La Palma, CA 90623

(714) 527-8777

(714) 527-8990

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Noteworthy Medicare Patient Procedures Performed by Dr. Kwan Toh Tan, MD in 2023

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

Top 10%

By Volume:

urinalysis

In 2023, Dr. Kwan Toh Tan, MD performed more urinalysis procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Volume:

lab tests

By Affordability:

blood tests

diabetes management

In 2012, among providers in related specialties within California, Dr. Kwan Toh Tan, MD performed more lab tests procedures for Medicare patients than 75% of them and he also had a list price for blood tests, and diabetes management that was lower than the list prices billed to Medicare by 75% 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. Kwan Toh Tan, MD treated as an internist in La Palma, CA during 2012 were lab tests, blood draw, diabetes management and preventive care.

Volume of procedures performed by Dr. Kwan Toh Tan, MD for Medicare patients.

blood draw	45
diabetes management	27
doctor visit	285
lab tests	54
preventive care	13
vaccines	13

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Kwan Toh Tan, MD treated as an internist in La Palma, CA during 2013 were blood draw, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. Kwan Toh Tan, MD for Medicare patients.

blood draw	87
diabetes management	20
doctor visit	340
lab tests	65
preventive care	26
vaccines	26

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Kwan Toh Tan, MD.

**Gender**
Male	64
Female	82

**Ethnicity**
Non-Hispanic White	53
Black	0
Hispanic	42
Asian	38
Other	0
Native American	0

**Age**
From 65 to 74	46
From 75 to 84	29
85 and over	19
Less than 65	52

Conditions of Medicare patients treated by Dr. Kwan Toh Tan, MD in 2013

Hypertension	56
High Cholesterol	31
Stroke	0
Ischemic Heart Disease	28
Depression	15
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	25
Chronic Obstructive Pulmonary Disease	12
Diabetes	47
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Kwan Toh Tan, MD treated as an internist in La Palma, CA during 2014 were blood draw, lab tests and diabetes management.

Volume of procedures performed by Dr. Kwan Toh Tan, MD for Medicare patients.

blood draw	105
diabetes management	16
doctor visit	380
lab tests	47

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Kwan Toh Tan, MD.

**Gender**
Male	75
Female	77

**Ethnicity**
Non-Hispanic White	49
Black	0
Hispanic	44
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	52
From 75 to 84	29
85 and over	16
Less than 65	55

Conditions of Medicare patients treated by Dr. Kwan Toh Tan, MD in 2014

Hypertension	59
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	24
Asthma	9
Osteoperosis	11
Atrial Fibrilation	0
Heart Failure	56
Chronic Obstructive Pulmonary Disease	18
Diabetes	43
Dementia	9
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Kwan Toh Tan, MD treated as an internist in La Palma, CA during 2015 were blood draw and lab tests.

Volume of procedures performed by Dr. Kwan Toh Tan, MD for Medicare patients.

blood draw	124
doctor visit	395
lab tests	34

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Kwan Toh Tan, MD.

**Gender**
Male	144
Female	170

**Ethnicity**
Non-Hispanic White	110
Black	0
Hispanic	78
Asian	98
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	44
85 and over	40
Less than 65	120

Conditions of Medicare patients treated by Dr. Kwan Toh Tan, MD in 2015

Hypertension	54
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	18
Depression	20
Chronic Kidney Disease	28
Asthma	13
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	64
Chronic Obstructive Pulmonary Disease	13
Diabetes	46
Dementia	11
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Kwan Toh Tan, MD treated as an internist in La Palma, CA during 2016 were blood draw, lab tests and preventive care.

Volume of procedures performed by Dr. Kwan Toh Tan, MD for Medicare patients.

blood draw	53
doctor visit	280
lab tests	28
preventive care	15

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Kwan Toh Tan, MD.

**Gender**
Male	50
Female	68

**Ethnicity**
Non-Hispanic White	36
Black	0
Hispanic	31
Asian	38
Other	0
Native American	0

**Age**
From 65 to 74	51
From 75 to 84	14
85 and over	14
Less than 65	39

Conditions of Medicare patients treated by Dr. Kwan Toh Tan, MD in 2016

Hypertension	55
High Cholesterol	33
Stroke	0
Ischemic Heart Disease	22
Depression	22
Chronic Kidney Disease	39
Asthma	19
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	68
Chronic Obstructive Pulmonary Disease	14
Diabetes	41
Dementia	12
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Kwan Toh Tan, MD treated as an internist in La Palma, CA during 2017 were lab tests and preventive care.

Volume of procedures performed by Dr. Kwan Toh Tan, MD for Medicare patients.

doctor visit	315
lab tests	29
preventive care	15

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Kwan Toh Tan, MD.

**Gender**
Male	49
Female	65

**Ethnicity**
Non-Hispanic White	30
Black	0
Hispanic	25
Asian	45
Other	0
Native American	0

**Age**
From 65 to 74	43
From 75 to 84	13
85 and over	18
Less than 65	40

Conditions of Medicare patients treated by Dr. Kwan Toh Tan, MD in 2017

Hypertension	54
High Cholesterol	34
Stroke	0
Ischemic Heart Disease	26
Depression	11
Chronic Kidney Disease	40
Asthma	0
Osteoperosis	11
Atrial Fibrilation	0
Heart Failure	53
Chronic Obstructive Pulmonary Disease	12
Diabetes	41
Dementia	11
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Kwan Toh Tan, MD treated as an internist in La Palma, CA during 2018 were preventive care, lab tests and vaccines.

Volume of procedures performed by Dr. Kwan Toh Tan, MD for Medicare patients.

doctor visit	308
lab tests	20
preventive care	29
vaccines	18

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Kwan Toh Tan, MD.

**Gender**
Male	68
Female	66

**Ethnicity**
Non-Hispanic White	35
Black	0
Hispanic	26
Asian	59
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	17
85 and over	11
Less than 65	44

Conditions of Medicare patients treated by Dr. Kwan Toh Tan, MD in 2018

Hypertension	57
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	28
Depression	14
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	24
Atrial Fibrilation	0
Heart Failure	53
Chronic Obstructive Pulmonary Disease	18
Diabetes	38
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Kwan Toh Tan, MD treated as an internist in La Palma, CA during 2019 were preventive care, vaccines and blood draw.

Volume of procedures performed by Dr. Kwan Toh Tan, MD for Medicare patients.

blood draw	12
doctor visit	491
preventive care	15
vaccines	15

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Kwan Toh Tan, MD.

**Gender**
Male	97
Female	126

**Ethnicity**
Non-Hispanic White	38
Black	0
Hispanic	32
Asian	129
Other	0
Native American	0

**Age**
From 65 to 74	106
From 75 to 84	37
85 and over	29
Less than 65	51

Conditions of Medicare patients treated by Dr. Kwan Toh Tan, MD in 2019

Hypertension	62
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	25
Atrial Fibrilation	6
Heart Failure	59
Chronic Obstructive Pulmonary Disease	17
Diabetes	44
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Kwan Toh Tan, MD treated as an internist in La Palma, CA during 2020 were preventive care and vaccines.

Volume of procedures performed by Dr. Kwan Toh Tan, MD for Medicare patients.

doctor visit	302
preventive care	28
vaccines	28

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Kwan Toh Tan, MD.

**Gender**
Male	75
Female	71

**Ethnicity**
Non-Hispanic White	33
Black	0
Hispanic	37
Asian	57
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	22
85 and over	17
Less than 65	45

Conditions of Medicare patients treated by Dr. Kwan Toh Tan, MD in 2020

Hypertension	49
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	26
Depression	13
Chronic Kidney Disease	45
Asthma	0
Osteoperosis	14
Atrial Fibrilation	0
Heart Failure	53
Chronic Obstructive Pulmonary Disease	14
Diabetes	42
Dementia	8
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Kwan Toh Tan, MD treated as an internist in La Palma, CA during 2021 were preventive care, vaccines and blood draw.

Volume of procedures performed by Dr. Kwan Toh Tan, MD for Medicare patients.

blood draw	12
doctor visit	543
preventive care	26
vaccines	26

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Kwan Toh Tan, MD.

**Gender**
Male	129
Female	151

**Ethnicity**
Non-Hispanic White	47
Black	20
Hispanic	48
Asian	149
Other	16
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	56
85 and over	44
Less than 65	55

Conditions of Medicare patients treated by Dr. Kwan Toh Tan, MD in 2021

Hypertension	64
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	28
Depression	16
Chronic Kidney Disease	48
Asthma	6
Osteoperosis	19
Atrial Fibrilation	6
Heart Failure	61
Chronic Obstructive Pulmonary Disease	18
Diabetes	45
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Kwan Toh Tan, MD treated as an internist in La Palma, CA during 2022 were lab tests, diabetes management, preventive care and vaccines.

Volume of procedures performed by Dr. Kwan Toh Tan, MD for Medicare patients.

blood draw	15
diabetes management	60
doctor visit	633
lab tests	206
preventive care	26
vaccines	26

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Kwan Toh Tan, MD.

**Gender**
Male	117
Female	189

**Ethnicity**
Non-Hispanic White	49
Black	0
Hispanic	40
Asian	188
Other	0
Native American	0

**Age**
From 65 to 74	150
From 75 to 84	57
85 and over	51
Less than 65	48

Conditions of Medicare patients treated by Dr. Kwan Toh Tan, MD in 2022

Hypertension	70
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	20
Depression	15
Chronic Kidney Disease	38
Asthma	11
Osteoperosis	27
Atrial Fibrilation	9
Heart Failure	60
Chronic Obstructive Pulmonary Disease	23
Diabetes	46
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Kwan Toh Tan, MD treated as an internist in La Palma, CA during 2023 were lab tests, diabetes management, preventive care and vaccines.

Volume of procedures performed by Dr. Kwan Toh Tan, MD for Medicare patients.

blood draw	14
diabetes management	100
doctor visit	877
lab tests	265
preventive care	34
vaccines	34

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Kwan Toh Tan, MD.

**Gender**
Male	161
Female	204

**Ethnicity**
Non-Hispanic White	46
Black	0
Hispanic	58
Asian	221
Other	21
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	73
85 and over	49
Less than 65	47

Conditions of Medicare patients treated by Dr. Kwan Toh Tan, MD in 2023

Hypertension	70
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	19
Depression	14
Chronic Kidney Disease	42
Asthma	8
Osteoperosis	24
Atrial Fibrilation	8
Heart Failure	55
Chronic Obstructive Pulmonary Disease	15
Diabetes	44
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Kwan Toh Tan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Kwan Toh Tan, MD treated as an internist in La Palma, CA were lab tests, blood draw, diabetes management and vaccines.

blood draw	51
diabetes management	44
doctor visit	429
lab tests	83
preventive care	22
vaccines	23

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Kwan Toh Tan, MD.

**Gender**
Male	85
Female	105

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	88
Non-Hispanic White	43
Hispanic	38
Native American / Alaskan Native	0
Other	3

**Age**
75 to 84	32
85 and over	25
Less than 65	49
65 to 74	83

Average of Total of Conditions of Medicare patients treated by Dr. Kwan Toh Tan, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Kwan Toh Tan, MD treated were hypertension, heart failure, high cholesterol and diabetes.

Hypertension	54
High Cholesterol	46
Stroke	1
Ischemic Heart Disease	22
Depression	14
Chronic Kidney Disease	34
Asthma	5
Osteoporosis	14
Heart Failure	50
Chronic Obstructive Pulmonary Disease	14
Diabetes	39
Atrial Fibrillation	3
Cancer	3
Dementia	6

Education & Training

Dr. Kwan Toh Tan, MD graduated from Oral Roberts University School of Medicine. He completed residency at Loma Linda University Medical Center. He is certified by the Certification: AMERICAN BOARD OF INTERNAL MEDICINE and has a state license in California.

Medical School: Oral Roberts University School of Medicine

Residency: Loma Linda University Medical Center

Board Certification: Certification: AMERICAN BOARD OF INTERNAL MEDICINE

Licensed In: California

Affiliations & Hospitals

Dr. Kwan Toh Tan, MD is associated with these hospitals and organizations:

Astrana Health

Allied Pacific IPA

JOSHUA INTERNATIONAL MEDICAL GROUP

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$2,496 FARXIGA $1,480	BREZTRI $384	AIRSUPRA $241	BYDUREON PEN $68	MOVANTIK $63	Other $261
Novo Nordisk Inc	$1,670 RYBELSUS $620	Ozempic $538	Victoza $186	Tresiba $171	Saxenda $51	Other $104
Novartis Pharmaceuticals Corporation	$1,654 ENTRESTO $1,235	LEQVIO $311	EXFORGE $44	EXELON PATCH $39	ARCAPTA NEOHALER $24
Amgen Inc.	$1,633 Repatha $1,005	Prolia $520	EVENITY $67	Otezla $21	KRYSTEXXA $20
Janssen Pharmaceuticals, Inc	$1,631 XARELTO $1,208	INVOKANA $319	INVOKAMET $58	SPRAVATO $30	$16
Other	$9,379 JARDIANCE $908	VRAYLAR $534	MOUNJARO $384	UBRELVY $363	AREXVY $348	Other $6,843

**Types of Payments**
Food and Beverage	$18,336
Consulting Fee	$80
Education	$42
Travel and Lodging	$6

Biography

Dr. Kwan Tan attended Oral Roberts University School of Medicine and subsequently trained at Loma Linda University Medical Center for residency. He is conversant in Chinese. Dr. Tan is professionally affiliated with Astrana Health. Astrana Health reports that he is accepting new patients at his office in La Palma, CA.