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Home > CA Providers > Radiation Oncologists

Dr. Roy Eugene Abendroth, MD

Accepting New Patients

(2 Ratings)

Specializes in: Radiation Oncology

University of Southern California (USC), Keck School of Medicine

Professional interests include: spinal cord tumor, breast cancer, gynecologic cancer, and more.

2333 Buchanan Street Level B, Cpmc Radiation Oncology, Pacific Campus
San Francisco, CA 94115

(209) 342-2300

Dr. Roy Eugene Abendroth, MD is a radiation oncologist in San Francisco, CA specializing in radiation oncology. He graduated from University of Southern California (USC), Keck School of Medicine. Dr. Roy Eugene Abendroth, MD is affiliated with Astrana Health, Sutter Health, Hill Physicians, Allied Pacific IPAMG, NORTHERN CALIFORNIA RADIATION THERAPISTS & ONCOLOGISTS MEDICAL GROUP INC, Jade Health Care Medical Group and All American Medical Group.

Office Locations

Sutter Health

2333 Buchanan Street Level B, Cpmc Radiation Oncology, Pacific Campus
San Francisco, CA 94115

(415) 600-3600

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Some issues Dr. Roy Eugene Abendroth, MD can help you with:

External Beam Radiation Therapy (EBRT)

External beam radiation therapy (EBRT) is a type of cancer treatment that delivers radiation from outside of the body. The goal of EBRT is to destroy cancer cells and shrink tumors, although it may also be used to alleviate symptoms rather than cure cancer.

EBRT can be delivered through several different methods, which may be combined or used alone. The type and length of treatment vary based on the location of the cancer or tumor and its size. Techniques for EBRT include:

Conventional external beam radiation therapy, which delivers a single beam of radiation from multiple directions. Conventional EBRT is commonly used to treat brain tumors, particularly when the entire brain needs treatment.
Intensity-modulated radiation therapy (IMRT), which uses smaller beams with adjustable intensity levels, so the most intense beams can be directed at the tumor. IMRT is used in several types of cancers, including prostate, gastrointestinal, brain, and lung cancers.
Orthovoltage, which uses low energy X-rays that do not penetrate the skin very deeply. Orthovoltage is typically used for skin cancers or other skin conditions.
Proton therapy, which uses a particle accelerator to deliver positively charged particles (protons) for cancer treatment. Proton beams can be controlled more precisely than X-rays, so there is less risk of damage to healthy tissue. This makes proton therapy a good option for younger patients, as other types of EBRT pose long-term risks such as growth problems and heart disease.
Stereotactic radiosurgery (SRS), which is a non-surgical type of radiation therapy that uses 3-D imaging to directly target tumors and avoid healthy tissue. SRS is often used for small tumors, particularly those in the brain (cranial radiosurgery) and spine (spinal radiosurgery). When performed outside of the brain and spine, it is called stereotactic body radiation therapy (SBRT).

Typically, patients will undergo treatment for five days a week over the course of several weeks, and they should be able to go home the same day. Each session can take less than an hour, with most of the time spent determining proper positioning of the body. Actual delivery of the radiation may only take a few minutes, and patients will wear a lead shield to protect healthy body tissues while receiving their treatment.

EBRT is painless, but it does come with some side effects, such as fatigue. Over the course of the therapy, oncologists will monitor patients' conditions and adjust their dosage, number of sessions, and length of treatment based on their body's response to the radiation.

Lung Issues

Every cell in the body requires oxygen to function and produces carbon dioxide as a waste product. In order to keep the body's tissues constantly supplied with fresh oxygen and to keep waste from building up, the lungs pump air in and out, even while sleeping or unaware. Unfortunately, diseases and disorders affecting the lungs are some of the most common medical problems afflicting people around the world. Some of the most common lung problems include asthma, COPD, pneumonia, and lung cancer.

Asthma is a chronic disease where swollen, inflamed airways make it hard to breathe. It is often brought on by specific triggers. While asthma is a common condition, affecting millions of people, it can also be serious and even fatal in severe cases. Treatment involves avoiding triggers and using inhaled corticosteroid medications.

COPD, or Chronic Obstructive Pulmonary Disease, is the name given to two illnesses that both cause difficulty breathing: emphysema and chronic bronchitis. In emphysema, the air sacs of the lungs become damaged, while with bronchitis they become clogged with mucus. COPD is the fourth leading cause of death in the United States. It is almost always caused by breathing irritants into the lungs, such as smoking or heavy pollution.

Pneumonia is a lung infection that can be caused by bacteria, a virus, or fungi. Most healthy people recover from pneumonia in a week or two, but for some people pneumonia can be fatal. There are treatments available for pneumonia, but the best treatment is to prevent getting sick in the first place. People who are at risk should make sure they get a flu shot every year. There is also a vaccine available for the type of bacteria that causes pneumonia.

Lung cancer occurs when abnormal cells inside the lung grow into a tumor, destroying healthy tissue. Because it is so difficult to detect lung cancer in early stages when it has few symptoms, it is the deadliest form of cancer, responsible for the most cancer deaths both in the U.S. and worldwide. Most lung cancer is caused by exposure to tobacco smoke, but between 10-15% of cases are not linked to smoking.

Some problems with the lungs are minor and are not cause for concern. However if symptoms have lasted for a month or more, even if they are minor, it is worth checking with a healthcare professional. A cough, shortness of breath, or excess mucus production that lingers for weeks are all worth getting looked at.

In The News

“One of the trumpeters, to my astonishment, turned out to be one of my medics, Dr. Roy Abendroth, radiation oncologist at Cal Pacific Med Center.”—"Once More With Feeling", SFGATE, February 2012

Noteworthy Medicare Patient Procedures Performed by Dr. Roy Eugene Abendroth, MD in 2023

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

Top 25%

By Affordability:

radiation therapy

In 2012, Dr. Roy Eugene Abendroth, MD had a list price for radiation therapy that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. 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. Roy Eugene Abendroth, MD treated as a radiation oncologist in San Francisco, CA during 2012 were radiation therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Roy Eugene Abendroth, MD for Medicare patients.

doctor visit	397
hospital care	14
inpatient care	14
radiation therapy	73

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Roy Eugene Abendroth, MD treated as a radiation oncologist in San Francisco, CA during 2013 were radiation therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Roy Eugene Abendroth, MD for Medicare patients.

doctor visit	462
hospital care	18
inpatient care	18
radiation therapy	73

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Roy Eugene Abendroth, MD.

**Gender**
Male	85
Female	106

**Ethnicity**
Non-Hispanic White	124
Black	0
Hispanic	12
Asian	36
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	73
85 and over	31
Less than 65	12

Conditions of Medicare patients treated by Dr. Roy Eugene Abendroth, MD in 2013

Hypertension	69
High Cholesterol	53
Stroke	9
Ischemic Heart Disease	32
Depression	12
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	7
Cancer	59

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Roy Eugene Abendroth, MD treated as a radiation oncologist in San Francisco, CA during 2014 were radiation therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Roy Eugene Abendroth, MD for Medicare patients.

doctor visit	461
hospital care	18
inpatient care	18
radiation therapy	80

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Roy Eugene Abendroth, MD.

**Gender**
Male	82
Female	106

**Ethnicity**
Non-Hispanic White	125
Black	0
Hispanic	15
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	68
85 and over	31
Less than 65	12

Conditions of Medicare patients treated by Dr. Roy Eugene Abendroth, MD in 2014

Hypertension	64
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	32
Depression	18
Chronic Kidney Disease	26
Asthma	8
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	18
Diabetes	30
Dementia	10
Cancer	58

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Roy Eugene Abendroth, MD treated as a radiation oncologist in San Francisco, CA during 2015 were radiation therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Roy Eugene Abendroth, MD for Medicare patients.

doctor visit	492
hospital care	21
inpatient care	21
radiation therapy	85

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Roy Eugene Abendroth, MD.

**Gender**
Male	164
Female	222

**Ethnicity**
Non-Hispanic White	268
Black	0
Hispanic	0
Asian	76
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	164
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Roy Eugene Abendroth, MD in 2015

Hypertension	65
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	30
Depression	19
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Dementia	13
Cancer	57

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Roy Eugene Abendroth, MD treated as a radiation oncologist in San Francisco, CA during 2016 were radiation therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Roy Eugene Abendroth, MD for Medicare patients.

doctor visit	461
hospital care	18
inpatient care	18
radiation therapy	76

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Roy Eugene Abendroth, MD.

**Gender**
Male	83
Female	102

**Ethnicity**
Non-Hispanic White	125
Black	0
Hispanic	14
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	68
85 and over	31
Less than 65	15

Conditions of Medicare patients treated by Dr. Roy Eugene Abendroth, MD in 2016

Hypertension	62
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	30
Depression	21
Chronic Kidney Disease	31
Asthma	14
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Dementia	9
Cancer	57

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Roy Eugene Abendroth, MD treated as a radiation oncologist in San Francisco, CA during 2017 were radiation therapy, hospital care, inpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Roy Eugene Abendroth, MD for Medicare patients.

doctor visit	433
hospital care	26
inpatient care	26
laryngeal (voice box) procedures	24
minimally invasive procedures	24
radiation therapy	27

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Roy Eugene Abendroth, MD.

**Gender**
Male	94
Female	86

**Ethnicity**
Non-Hispanic White	118
Black	0
Hispanic	16
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	64
85 and over	33
Less than 65	11

Conditions of Medicare patients treated by Dr. Roy Eugene Abendroth, MD in 2017

Hypertension	69
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	29
Depression	21
Chronic Kidney Disease	39
Asthma	7
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	12
Cancer	64

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Roy Eugene Abendroth, MD treated as a radiation oncologist in San Francisco, CA during 2018 were radiation therapy, hospital care, inpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Roy Eugene Abendroth, MD for Medicare patients.

doctor visit	530
hospital care	27
inpatient care	27
laryngeal (voice box) procedures	21
minimally invasive procedures	21
radiation therapy	45

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Roy Eugene Abendroth, MD.

**Gender**
Male	86
Female	109

**Ethnicity**
Non-Hispanic White	136
Black	0
Hispanic	17
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	60
85 and over	37
Less than 65	18

Conditions of Medicare patients treated by Dr. Roy Eugene Abendroth, MD in 2018

Hypertension	67
High Cholesterol	54
Stroke	9
Ischemic Heart Disease	34
Depression	26
Chronic Kidney Disease	38
Asthma	7
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	19
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Dementia	11
Cancer	62

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Roy Eugene Abendroth, MD treated as a radiation oncologist in San Francisco, CA during 2019 were radiation therapy, hospital care, inpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Roy Eugene Abendroth, MD for Medicare patients.

doctor visit	542
hospital care	25
inpatient care	25
laryngeal (voice box) procedures	23
minimally invasive procedures	23
radiation therapy	68

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Roy Eugene Abendroth, MD.

**Gender**
Male	89
Female	137

**Ethnicity**
Non-Hispanic White	144
Black	14
Hispanic	19
Asian	37
Other	12
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	71
85 and over	37
Less than 65	17

Conditions of Medicare patients treated by Dr. Roy Eugene Abendroth, MD in 2019

Hypertension	62
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	33
Depression	23
Chronic Kidney Disease	32
Asthma	8
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	25
Dementia	12
Cancer	68

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Roy Eugene Abendroth, MD treated as a radiation oncologist in San Francisco, CA during 2020 were radiation therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Roy Eugene Abendroth, MD for Medicare patients.

doctor visit	589
hospital care	11
inpatient care	11
radiation therapy	34

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Roy Eugene Abendroth, MD.

**Gender**
Male	74
Female	138

**Ethnicity**
Non-Hispanic White	143
Black	0
Hispanic	0
Asian	28
Other	17
Native American	0

**Age**
From 65 to 74	99
From 75 to 84	73
85 and over	28
Less than 65	12

Conditions of Medicare patients treated by Dr. Roy Eugene Abendroth, MD in 2020

Hypertension	60
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	26
Depression	21
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	16
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	19
Dementia	8
Cancer	70

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Roy Eugene Abendroth, MD treated as a radiation oncologist in San Francisco, CA during 2021 were radiation therapy, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Roy Eugene Abendroth, MD for Medicare patients.

doctor visit	513
laryngeal (voice box) procedures	15
minimally invasive procedures	15
radiation therapy	73

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Roy Eugene Abendroth, MD.

**Gender**
Male	70
Female	119

**Ethnicity**
Non-Hispanic White	129
Black	0
Hispanic	13
Asian	28
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	79
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Roy Eugene Abendroth, MD in 2021

Hypertension	60
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	25
Depression	18
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	20
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	24
Dementia	8
Cancer	66

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Roy Eugene Abendroth, MD treated as a radiation oncologist in San Francisco, CA during 2022 were radiation therapy, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Roy Eugene Abendroth, MD for Medicare patients.

doctor visit	533
laryngeal (voice box) procedures	23
minimally invasive procedures	23
radiation therapy	99

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Roy Eugene Abendroth, MD.

**Gender**
Male	80
Female	116

**Ethnicity**
Non-Hispanic White	135
Black	0
Hispanic	0
Asian	32
Other	13
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	88
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Roy Eugene Abendroth, MD in 2022

Hypertension	72
High Cholesterol	71
Stroke	8
Ischemic Heart Disease	23
Depression	12
Chronic Kidney Disease	21
Asthma	8
Osteoperosis	17
Atrial Fibrilation	23
Heart Failure	13
Chronic Obstructive Pulmonary Disease	25
Diabetes	26
Dementia	8
Cancer	71

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Roy Eugene Abendroth, MD for Medicare patients.

The highest averages for the top procedures that Dr. Roy Eugene Abendroth, MD treated as a radiation oncologist in San Francisco, CA were radiation therapy, minimally invasive procedures, laryngeal (voice box) procedures and hospital care.

doctor visit	492
hospital care	19
inpatient care	19
laryngeal (voice box) procedures	21
minimally invasive procedures	21
radiation therapy	66

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Roy Eugene Abendroth, MD.

**Gender**
Male	82
Female	112

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	32
Non-Hispanic White	131
Native American / Alaskan Native	0
Hispanic	9
Other	3

**Age**
75 to 84	73
85 and over	20
Less than 65	8
65 to 74	79

Average of Total of Conditions of Medicare patients treated by Dr. Roy Eugene Abendroth, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Roy Eugene Abendroth, MD treated were hypertension, cancer, high cholesterol and chronic kidney disease.

Hypertension	59
High Cholesterol	48
Stroke	3
Ischemic Heart Disease	26
Depression	17
Chronic Kidney Disease	26
Asthma	7
Osteoporosis	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	23
Atrial Fibrillation	12
Dementia	8
Cancer	57

Education & Training

Dr. Roy Eugene Abendroth, MD graduated from University of Southern California (USC), Keck School of Medicine. He completed residency at Loma Linda University Medical Center. He is certified by the Certification: MEDICAL BOARD OF CALIFORNIA and has a state license in California.

Medical School: University of Southern California (USC), Keck School of Medicine

Residency: Loma Linda University Medical Center

Board Certification: Certification: MEDICAL BOARD OF CALIFORNIA

Licensed In: California

Affiliations & Hospitals

Dr. Roy Eugene Abendroth, MD is associated with these hospitals and organizations:

Astrana Health

Sutter Health

Hill Physicians

Allied Pacific IPAMG

NORTHERN CALIFORNIA RADIATION THERAPISTS & ONCOLOGISTS MEDICAL GROUP INC

Jade Health Care Medical Group

All American Medical Group

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. Roy Eugene Abendroth, MD appears to accept the following insurance providers: Cigna, Aetna, Blue Shield of California, SCAN Health Plan, Anthem, UnitedHealthcare, 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. Roy Eugene Abendroth, MD accepts the following insurance providers:

Cigna

Aetna

Blue Shield of California

SCAN Health Plan

Anthem

UnitedHealthcare

Health Net

Hill Physicians Care Solutions

Central Health Plan

CCHP Health Plan (Chinese Community Health Plan)

Canopy Health

Ratings & Reviews

Dr. Roy Eugene Abendroth, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. Roy Eugene Abendroth, MD from all over the web to help you find the right in San Francisco, CA.

Overall Rating

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General Payments

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

**Payments by Company**
E.R. Squibb & Sons, L.L.C.	$558 YERVOY $267	OPDIVO $150	ERBITUX $142
Merck Sharp & Dohme Corporation	$374 KEYTRUDA $355	$19
Daiichi Sankyo Inc.	$295 Zelboraf $228	Cotellic $67
Intuitive Surgical, Inc.	$196 Da Vinci Surgical System $196
Zap Surgical Systems, Inc.	$154 ZAP-X RADIOSURGERY SYSTEM $154
Other	$869 Avastin $125	Nerlynx $123	TUKYSA $107	FOUNDATIONONE HEME $89	REFLEXION MEDICAL RADIOTHERAPY SYSTEM $89	Other $337

**Types of Payments**
Food and Beverage	$2,446

Ownership and Interest Payments

This table describes ownership payments received by Dr. Roy Eugene Abendroth, MD.

DARA Biosciences, Inc.	2013	$0.00	Physician Covered Recipient	None
DARA Biosciences, Inc.	2013	$0.00	Physician Covered Recipient	None
DARA Biosciences, Inc.	2013	$0.00	Physician Covered Recipient	None
DARA Biosciences, Inc.	2013	$0.00	Physician Covered Recipient	None
DARA Biosciences, Inc.	2013	$0.00	Physician Covered Recipient	None
DARA Biosciences, Inc.	2013	$0.00	Physician Covered Recipient	None

Biography

Dr. Roy Abendroth is a specialist in radiation oncology in San Francisco, CA. He offers language support for patients who speak Cantonese, Mandarin, and Spanish. These areas are among his clinical interests: spinal cord tumor, lung cancer, and gynecologic cancer. Dr. Abendroth is affiliated with Jade Health Care Medical Group, Seton Hospital, and Astrana Health. Dr. Abendroth is a graduate of the University of Southern California (USC), Keck School of Medicine. For his residency, Dr. Abendroth trained at Loma Linda University Medical Center. He is an in-network provider for several insurance carriers, including Blue Shield, Health Net, and Anthem. He has an open panel in San Francisco, CA according to Hill Physicians.