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Home > CA Providers > Pediatric Allergists & Immunologists

Dr. Kenneth Weitung Lien, MD

Accepting New Patients

(Dr. Kenneth W. Lien, MD)

(5 Ratings)

Specializes in: Pediatric Allergy & Immunology

University of Chicago, Pritzker School of Medicine

20400 Lake Chabot Road Suite 304, Allergy Asthma and Sinus Centers of Silicon Valley
Castro Valley, CA 94546

(510) 537-0700

Dr. Kenneth Weitung Lien, MD is a pediatric allergist and immunologist in Castro Valley, CA specializing in pediatric allergy & immunology. He graduated from University of Chicago, Pritzker School of Medicine. Dr. Kenneth Weitung Lien, MD is affiliated with Sutter Health and Hill Physicians.

Office Locations

Hill Physicians

20400 Lake Chabot Road Suite 304, Allergy Asthma and Sinus Centers of Silicon Valley
Castro Valley, CA 94546

(510) 537-0700

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Noteworthy Medicare Patient Procedures Performed by Dr. Kenneth Weitung Lien, MD in 2023

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

Top 25%

By Volume:

allergy skin testing

percutaneous allergy test

By Affordability:

allergy skin testing

allergy testing

skin testing

In 2013, among providers in related specialties within California, Dr. Kenneth Weitung Lien, MD performed more allergy skin testing, and percutaneous allergy test procedures for Medicare patients than 75% of them and he also had a list price for allergy skin testing, allergy testing, and skin testing 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

2014 Medicare Procedure Volume

The top procedures that Dr. Kenneth Weitung Lien, MD treated as a pediatric allergist and immunologist in Castro Valley, CA during 2014 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Kenneth Weitung Lien, MD for Medicare patients.

allergy testing	1680
doctor visit	192
immunotherapy	201
injections	201
minimally invasive procedures	1680
skin testing	1680

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Weitung Lien, MD.

**Gender**
Male	28
Female	54

**Ethnicity**
Non-Hispanic White	53
Black	0
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	51
From 75 to 84	0
85 and over	0
Less than 65	18

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2014

The most common conditions of Medicare patients that Dr. Kenneth Weitung Lien, MD treated during 2014 were hypertension, high cholesterol, asthma and diabetes.

Hypertension	54
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	20
Depression	22
Chronic Kidney Disease	15
Asthma	45
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	27
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Kenneth Weitung Lien, MD treated as a pediatric allergist and immunologist in Castro Valley, CA during 2015 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Kenneth Weitung Lien, MD for Medicare patients.

allergy testing	3920
doctor visit	286
immunotherapy	422
injections	422
minimally invasive procedures	3920
skin testing	3920

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Weitung Lien, MD.

**Gender**
Male	74
Female	144

**Ethnicity**
Non-Hispanic White	122
Black	0
Hispanic	30
Asian	34
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	0
85 and over	0
Less than 65	58

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2015

The most common conditions of Medicare patients that Dr. Kenneth Weitung Lien, MD treated during 2015 were hypertension, high cholesterol, asthma and diabetes.

Hypertension	56
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	18
Depression	23
Chronic Kidney Disease	13
Asthma	50
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	29
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Kenneth Weitung Lien, MD treated as a pediatric allergist and immunologist in Castro Valley, CA during 2016 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Kenneth Weitung Lien, MD for Medicare patients.

allergy testing	3446
doctor visit	366
immunotherapy	353
injections	353
minimally invasive procedures	3446
skin testing	3446

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Weitung Lien, MD.

**Gender**
Male	52
Female	85

**Ethnicity**
Non-Hispanic White	71
Black	0
Hispanic	21
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	73
From 75 to 84	0
85 and over	0
Less than 65	37

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2016

The most common conditions of Medicare patients that Dr. Kenneth Weitung Lien, MD treated during 2016 were hypertension, high cholesterol, asthma and diabetes.

Hypertension	61
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	24
Depression	26
Chronic Kidney Disease	23
Asthma	50
Osteoperosis	11
Atrial Fibrilation	0
Heart Failure	9
Chronic Obstructive Pulmonary Disease	15
Diabetes	34
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Kenneth Weitung Lien, MD treated as a pediatric allergist and immunologist in Castro Valley, CA during 2017 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Kenneth Weitung Lien, MD for Medicare patients.

allergy testing	2720
doctor visit	307
immunotherapy	282
injections	282
minimally invasive procedures	2720
skin testing	2720

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Weitung Lien, MD.

**Gender**
Male	44
Female	96

**Ethnicity**
Non-Hispanic White	81
Black	0
Hispanic	15
Asian	23
Other	0
Native American	0

**Age**
From 65 to 74	73
From 75 to 84	30
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2017

The most common conditions of Medicare patients that Dr. Kenneth Weitung Lien, MD treated during 2017 were hypertension, high cholesterol, asthma and diabetes.

Hypertension	64
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	24
Depression	21
Chronic Kidney Disease	28
Asthma	44
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Kenneth Weitung Lien, MD treated as a pediatric allergist and immunologist in Castro Valley, CA during 2018 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Kenneth Weitung Lien, MD for Medicare patients.

allergy testing	2320
doctor visit	300
immunotherapy	216
injections	216
minimally invasive procedures	2320
skin testing	2320

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Weitung Lien, MD.

**Gender**
Male	44
Female	96

**Ethnicity**
Non-Hispanic White	71
Black	21
Hispanic	0
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	0
85 and over	0
Less than 65	39

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2018

The most common conditions of Medicare patients that Dr. Kenneth Weitung Lien, MD treated during 2018 were hypertension, high cholesterol, asthma and diabetes.

Hypertension	61
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	22
Depression	21
Chronic Kidney Disease	30
Asthma	49
Osteoperosis	11
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Kenneth Weitung Lien, MD treated as a pediatric allergist and immunologist in Castro Valley, CA during 2019 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Kenneth Weitung Lien, MD for Medicare patients.

allergy testing	4165
doctor visit	398
immunotherapy	277
injections	277
minimally invasive procedures	4165
skin testing	4165

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Weitung Lien, MD.

**Gender**
Male	62
Female	110

**Ethnicity**
Non-Hispanic White	88
Black	0
Hispanic	26
Asian	28
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	0
85 and over	0
Less than 65	40

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2019

The most common conditions of Medicare patients that Dr. Kenneth Weitung Lien, MD treated during 2019 were hypertension, high cholesterol, asthma and diabetes.

Hypertension	62
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	20
Depression	26
Chronic Kidney Disease	28
Asthma	47
Osteoperosis	9
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	17
Diabetes	30
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Kenneth Weitung Lien, MD treated as a pediatric allergist and immunologist in Castro Valley, CA during 2020 were skin testing, minimally invasive procedures and allergy testing.

Volume of procedures performed by Dr. Kenneth Weitung Lien, MD for Medicare patients.

allergy testing	880
doctor visit	215
minimally invasive procedures	880
skin testing	880

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Weitung Lien, MD.

**Gender**
Male	46
Female	79

**Ethnicity**
Non-Hispanic White	62
Black	13
Hispanic	21
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	0
85 and over	0
Less than 65	33

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2020

The most common conditions of Medicare patients that Dr. Kenneth Weitung Lien, MD treated during 2020 were hypertension, asthma, high cholesterol and diabetes.

Hypertension	58
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	21
Depression	30
Chronic Kidney Disease	27
Asthma	54
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	32
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Kenneth Weitung Lien, MD treated as a pediatric allergist and immunologist in Castro Valley, CA during 2021 were skin testing, minimally invasive procedures and allergy testing.

Volume of procedures performed by Dr. Kenneth Weitung Lien, MD for Medicare patients.

allergy testing	3190
doctor visit	260
minimally invasive procedures	3190
skin testing	3190

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Weitung Lien, MD.

**Gender**
Male	45
Female	84

**Ethnicity**
Non-Hispanic White	55
Black	0
Hispanic	20
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	57
From 75 to 84	33
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2021

The most common conditions of Medicare patients that Dr. Kenneth Weitung Lien, MD treated during 2021 were hypertension, high cholesterol, asthma and diabetes.

Hypertension	63
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	22
Depression	27
Chronic Kidney Disease	29
Asthma	48
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	33
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Kenneth Weitung Lien, MD treated as a pediatric allergist and immunologist in Castro Valley, CA during 2022 were skin testing, minimally invasive procedures and allergy testing.

Volume of procedures performed by Dr. Kenneth Weitung Lien, MD for Medicare patients.

allergy testing	4715
doctor visit	375
minimally invasive procedures	4715
skin testing	4715

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Weitung Lien, MD.

**Gender**
Male	50
Female	125

**Ethnicity**
Non-Hispanic White	85
Black	17
Hispanic	23
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	52
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2022

The most common conditions of Medicare patients that Dr. Kenneth Weitung Lien, MD treated during 2022 were high cholesterol, hypertension, asthma and diabetes.

Hypertension	73
High Cholesterol	73
Stroke	8
Ischemic Heart Disease	17
Depression	19
Chronic Kidney Disease	17
Asthma	47
Osteoperosis	15
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	16
Diabetes	37
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Kenneth Weitung Lien, MD treated as a pediatric allergist and immunologist in Castro Valley, CA during 2023 were skin testing, allergy testing and minimally invasive procedures.

Volume of procedures performed by Dr. Kenneth Weitung Lien, MD for Medicare patients.

allergy testing	5778
doctor visit	345
minimally invasive procedures	4657
skin testing	5778

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Weitung Lien, MD.

**Gender**
Male	61
Female	102

**Ethnicity**
Non-Hispanic White	77
Black	14
Hispanic	22
Asian	33
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	42
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2023

The most common conditions of Medicare patients that Dr. Kenneth Weitung Lien, MD treated during 2023 were high cholesterol, hypertension, asthma and diabetes.

Hypertension	66
High Cholesterol	72
Stroke	8
Ischemic Heart Disease	19
Depression	20
Chronic Kidney Disease	15
Asthma	52
Osteoperosis	17
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	20
Diabetes	25
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2014 - 2023

Volume of procedures performed by Dr. Kenneth Weitung Lien, MD for Medicare patients.

The highest averages for the top procedures that Dr. Kenneth Weitung Lien, MD treated as a pediatric allergist and immunologist in Castro Valley, CA were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

allergy testing	3281
doctor visit	304
immunotherapy	291
injections	291
minimally invasive procedures	3169
skin testing	3281

Average Medicare Patient Data From 2014 - 2023

Information about Medicare patients treated by Dr. Kenneth Weitung Lien, MD.

**Gender**
Male	50
Female	97

**Ethnicity**
Black / African American	6
Asian / Pacific Islander	24
Non-Hispanic White	76
Hispanic	19
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	15
85 and over	0
Less than 65	22
65 to 74	76

Average of Total of Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD From 2014 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Kenneth Weitung Lien, MD treated were hypertension, high cholesterol, asthma and diabetes.

Hypertension	61
High Cholesterol	56
Stroke	1
Ischemic Heart Disease	20
Depression	23
Chronic Kidney Disease	22
Asthma	48
Osteoporosis	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	31
Atrial Fibrillation	1
Cancer	5
Dementia	0

Education & Training

Dr. Kenneth Weitung Lien, MD graduated from University of Chicago, Pritzker School of Medicine. He completed residency at Kaiser Permanente San Francisco Medical Center. He is certified by the Board Certification: Allergy and Immunology and has a state license in California.

Medical School: University of Chicago, Pritzker School of Medicine

Residency: Kaiser Permanente San Francisco Medical Center

Board Certification: Board Certification: Allergy and Immunology

Licensed In: California

Affiliations & Hospitals

Dr. Kenneth Weitung Lien, MD is associated with these hospitals and organizations:

Sutter Health

Hill Physicians

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Kenneth Weitung Lien, MD appears to accept the following insurance providers: Cigna, Aetna, Blue Shield of California, UnitedHealthcare, SCAN Health Plan, Anthem, Health Net, Hill Physicians Care Solutions, Central Health Plan, CCHP Health Plan (Chinese Community Health Plan) and Canopy Health.

Insurance Accepted by Provider includes:

According to our sources, Dr. Kenneth Weitung Lien, MD accepts the following insurance providers:

Cigna

Aetna

Blue Shield of California

UnitedHealthcare

SCAN Health Plan

Anthem

Health Net

Hill Physicians Care Solutions

Central Health Plan

CCHP Health Plan (Chinese Community Health Plan)

Canopy Health

Ratings & Reviews

Dr. Kenneth Weitung Lien, MD has a high overall rating with an average of 4.2 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Kenneth Weitung Lien, MD from all over the web to help you find the right in Castro Valley, CA.

4.2

Overall Rating

(5 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$3,018 SYMBICORT $1,170	FASENRA $1,002	BREZTRI $435	BEVESPI AEROSPHERE $149	AIRSUPRA $72	Other $189
GlaxoSmithKline, LLC.	$2,251 NUCALA $1,413	BREO $309	TRELEGY ELLIPTA $283	ARNUITY $90	INCRUSE $56	Other $99
Greer Laboratories, Inc.	$939 Oralair $939
Genentech USA, Inc.	$829 XOLAIR $769	$60
Teva Pharmaceuticals USA, Inc.	$699 PROAIR $267	QVAR $103	AirDuo Digihaler $32	CINQAIR $23	ArmonAir Digihaler $19	Other $253
Other	$4,690 DUPIXENT $754	SPIRIVA RESPIMAT $384	EpiPen $376	XOLAIR $370	GRASTEK $275	Other $2,532

**Types of Payments**
Food and Beverage	$12,002
Education	$274
Consulting Fee	$150

Biography

Dr. Kenneth Lien's area of specialization is pediatric allergy & immunology. He has a 4.0 out of 5 star average patient rating. He seems to honor several insurance carriers, including Blue Shield, Health Net, and Anthem. Dr. Lien studied medicine at the University of Chicago, Pritzker School of Medicine. For his professional training, Dr. Lien completed residency programs at Kaiser Permanente Oakland Medical Center and Kaiser Permanente San Francisco Medical Center. Dr. Lien (or staff) speaks Spanish and Korean. His hospital/clinic affiliations include Hill Physicians and Sutter Health. Hill Physicians reports that he is accepting new patients at his office in Castro Valley, CA.

Select Year:

Dr. Kenneth Weitung Lien, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Kenneth Weitung Lien, MD in 2023

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2014 - 2023

Average Medicare Patient Data From 2014 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Kenneth Weitung Lien, MD From 2014 - 2023

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

Other Providers in Castro Valley, CA