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Dr. Iris C. Gibbs, FACR, MD

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Specializes in: Radiation Oncology and Neuro-Oncology

Stanford University School of Medicine (1995)

Professional interests include: cancer, radiation therapy, meningioma, and more.

213 Quarry Road
Palo Alto, CA 94304

(650) 497-7777

Dr. Iris C. Gibbs, FACR, MD is a radiation oncologist in Palo Alto, CA specializing in radiation oncology and neuro-oncology. She graduated from Stanford University School of Medicine in 1995 and has 31 years of experience. Dr. Iris C. Gibbs, FACR, MD is affiliated with Stanford Medicine Children's Health and Stanford Health Care.

Office Locations

Stanford Health Care

213 Quarry Road
Palo Alto, CA 94304

(650) 497-7777

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875 Blake Wilbur Drive Radiation Oncology at Blake Wilbur Building
Palo Alto, CA 94304

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In The News

“At trial, Dr. Iris Gibbs, Stanford University School of Medicine's former Associate Dean of Admissions, who, like Ms. Young, is also an African-American woman, testified about her concern about the...”—"Jury Awards $20 Million Verdict In Race Harassment Case Involving Ku Klux Klan-Related Threats at Stanford Medicine Cancer Center", KTLA 5, June 2024

“Commenting on the study, the chair of ASTRO's Council on Health Equity, Diversity and Inclusion, Iris C. Gibbs, MD, of Stanford Medicine in California, said that an important aspect of care "is...”—"Sexual Health Not Part of Discussion for Women Undergoing Brachytherapy", MedPage Today, October 2022

“Without minimizing the clinical benefits of the study, press briefing moderator Iris Gibbs, MD, of Stanford Medicine in California, said the findings reflect the broader role of radiation oncology...”—"Radiation for Asymptomatic Bone Metastases May Improve Cancer Survival", MedPage Today, October 2022

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Iris C. Gibbs, FACR, MD treated as a radiation oncologist in Palo Alto, CA during 2012 were radiation therapy.

Volume of procedures performed by Dr. Iris C. Gibbs, FACR, MD for Medicare patients.

doctor visit	26
radiation therapy	16

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Iris C. Gibbs, FACR, MD treated as a radiation oncologist in Palo Alto, CA during 2013 were radiation therapy.

Volume of procedures performed by Dr. Iris C. Gibbs, FACR, MD for Medicare patients.

doctor visit	197
radiation therapy	53

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD.

**Gender**
Male	43
Female	77

**Ethnicity**
Non-Hispanic White	83
Black	0
Hispanic	0
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	56
From 75 to 84	34
85 and over	11
Less than 65	19

Conditions of Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD in 2013

Hypertension	64
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	25
Depression	18
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	20
Dementia	0
Cancer	30

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Iris C. Gibbs, FACR, MD treated as a radiation oncologist in Palo Alto, CA during 2014 were radiation therapy.

Volume of procedures performed by Dr. Iris C. Gibbs, FACR, MD for Medicare patients.

doctor visit	222
radiation therapy	51

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD.

**Gender**
Male	48
Female	69

**Ethnicity**
Non-Hispanic White	79
Black	0
Hispanic	0
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD in 2014

Hypertension	53
High Cholesterol	49
Stroke	9
Ischemic Heart Disease	26
Depression	21
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	0
Cancer	36

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Iris C. Gibbs, FACR, MD for Medicare patients.

doctor visit	53

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD.

**Gender**
Male	50
Female	62

**Ethnicity**
Non-Hispanic White	86
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	56
From 75 to 84	30
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD in 2015

Hypertension	45
High Cholesterol	30
Stroke	0
Ischemic Heart Disease	0
Depression	21
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	36

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Iris C. Gibbs, FACR, MD treated as a radiation oncologist in Palo Alto, CA during 2016 were radiation therapy.

Volume of procedures performed by Dr. Iris C. Gibbs, FACR, MD for Medicare patients.

doctor visit	53
radiation therapy	15

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD.

**Gender**
Male	31
Female	38

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

**Age**
From 65 to 74	38
From 75 to 84	15
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD in 2016

Hypertension	54
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	20
Depression	17
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	33

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Iris C. Gibbs, FACR, MD treated as a radiation oncologist in Palo Alto, CA during 2017 were radiation therapy.

Volume of procedures performed by Dr. Iris C. Gibbs, FACR, MD for Medicare patients.

doctor visit	58
radiation therapy	20

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD.

**Gender**
Male	53
Female	41

**Ethnicity**
Non-Hispanic White	71
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	28
85 and over	12
Less than 65	12

Conditions of Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD in 2017

Hypertension	67
High Cholesterol	50
Stroke	12
Ischemic Heart Disease	29
Depression	21
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	16
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	0
Cancer	38

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Iris C. Gibbs, FACR, MD for Medicare patients.

doctor visit	40

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD.

**Gender**
Male	41
Female	36

**Ethnicity**
Non-Hispanic White	52
Black	0
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	44
From 75 to 84	19
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD in 2018

Hypertension	64
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	16
Chronic Obstructive Pulmonary Disease	17
Diabetes	22
Dementia	0
Cancer	42

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Iris C. Gibbs, FACR, MD for Medicare patients.

doctor visit	36

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD.

**Gender**
Male	56
Female	39

**Ethnicity**
Non-Hispanic White	68
Black	0
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	30
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD in 2019

Hypertension	54
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	23
Depression	14
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	14
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	20
Dementia	0
Cancer	45

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Iris C. Gibbs, FACR, MD treated as a radiation oncologist in Palo Alto, CA during 2020 were radiation therapy.

Volume of procedures performed by Dr. Iris C. Gibbs, FACR, MD for Medicare patients.

doctor visit	35
radiation therapy	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD.

**Gender**
Male	41
Female	36

**Ethnicity**
Non-Hispanic White	51
Black	0
Hispanic	0
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	36
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD in 2020

Hypertension	60
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	29
Depression	0
Chronic Kidney Disease	27
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	14
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	0
Cancer	48

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Iris C. Gibbs, FACR, MD for Medicare patients.

doctor visit	23

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD.

**Gender**
Male	32
Female	46

**Ethnicity**
Non-Hispanic White	52
Black	0
Hispanic	0
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	29
From 75 to 84	36
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD in 2021

Hypertension	68
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	41
Depression	28
Chronic Kidney Disease	38
Asthma	0
Osteoperosis	18
Atrial Fibrilation	14
Heart Failure	23
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	0
Cancer	62

Medicare Procedure and Patient Information

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD.

**Gender**
Male	41
Female	21

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

**Age**
From 65 to 74	31
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD in 2022

Hypertension	68
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	19
Depression	0
Chronic Kidney Disease	23
Asthma	0
Osteoperosis	18
Atrial Fibrilation	0
Heart Failure	23
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	0
Cancer	55

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Iris C. Gibbs, FACR, MD for Medicare patients.

The highest averages for the top procedures that Dr. Iris C. Gibbs, FACR, MD treated as a radiation oncologist in Palo Alto, CA were radiation therapy.

doctor visit	74
radiation therapy	29

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD.

**Gender**
Male	39
Female	42

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	8
Non-Hispanic White	57
Native American / Alaskan Native	0
Hispanic	1
Other	0

**Age**
75 to 84	22
85 and over	2
Less than 65	2
65 to 74	40

Average of Total of Conditions of Medicare patients treated by Dr. Iris C. Gibbs, FACR, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Iris C. Gibbs, FACR, MD treated were hypertension, high cholesterol, cancer and chronic kidney disease.

Hypertension	54
High Cholesterol	46
Stroke	1
Ischemic Heart Disease	21
Depression	14
Chronic Kidney Disease	24
Asthma	1
Osteoporosis	6
Heart Failure	10
Chronic Obstructive Pulmonary Disease	4
Diabetes	19
Atrial Fibrillation	2
Dementia	0
Cancer	38

Education & Training

Dr. Iris C. Gibbs, FACR, MD graduated from Stanford University School of Medicine in 1995. She completed residency at University of California, San Francisco (UCSF) Affiliated Hospitals. She is certified by the Radiation Oncology, American Board of Radiology and has a state license in California.

Medical School: Stanford University School of Medicine (1995)

Residency: University of California, San Francisco (UCSF) Affiliated Hospitals

Board Certification: Radiation Oncology, American Board of Radiology (2000)

Licensed In: California

Affiliations & Hospitals

Dr. Iris C. Gibbs, FACR, MD is associated with these hospitals and organizations:

Stanford Medicine Children's Health

Stanford Health Care

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General Payments

These charts describe general payments received by Dr. Iris C. Gibbs, FACR, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Accuray Incorporated	$10,267 CyberKnife System $9,837	TomoTherapy System $430
Baxter Healthcare	$122 TISSEEL $122
Varian Medical Systems, Inc.	$61 Radiation Oncology $61
Zap Surgical Systems, Inc.	$54 ZAP-X RADIOSURGERY SYSTEM $54

**Types of Payments**
Honoraria	$7,500
Travel and Lodging	$2,284
Food and Beverage	$720

Biography

Dr. Iris Gibbs' specialties are radiation oncology and neuro-oncology. Areas of expertise for Dr. Gibbs include neurofibromatosis, acoustic neuroma, and radiation therapy. She is professionally affiliated with Stanford Medicine Children's Health and Stanford Health Care. Dr. Gibbs graduated from Stanford University School of Medicine and then she performed her residency at Alameda County Medical Center, Highland Hospital, Stanford University Medical Center, and a hospital affiliated with the University of California, San Francisco (UCSF). She has received professional recognition including the following: ASTRO Mentorship Award, American Society for Radiation Oncology (ASTRO); Alice Ettinger Distinguished Achievement Award, American Association for Women Radiologists; and ASTRO/ESTRO Travel Award, American Society of Therapeutic Radiology and Oncology.