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Dr. Roham Tahmaseb Zamanian, MD

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Specializes in: Adult Pulmonology and Critical Care (Intensive Care Medicine)
University of California, Irvine, School of Medicine (1999)
Professional interests include: pulmonary hypertension, pulmonary embolism, hereditary hemorrhagic telangiectasia (HHT)
300 Pasteur Drive Floor 1 Room A175
Palo Alto, CA 94305

Dr. Roham Tahmaseb Zamanian, MD is a pulmonologist in Palo Alto, CA specializing in adult pulmonology and critical care (intensive care medicine). He graduated from University of California, Irvine, School of Medicine in 1999 and has 27 years of experience. Dr. Roham Tahmaseb Zamanian, MD is affiliated with Stanford Health Care.

View Doctor's Full Profile (650) 725-7061

Office Locations

Stanford Health Care

300 Pasteur Drive Floor 1 Room A175
Palo Alto, CA 94305
(650) 725-7061
open_in_new

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Roham Tahmaseb Zamanian, MD treated as a pulmonologist in Palo Alto, CA during 2013 were pulmonary testing, minimally invasive procedures, catheterization and cardiac procedures.

Volume of procedures performed by Dr. Roham Tahmaseb Zamanian, MD for Medicare patients.

cardiac procedures 68
catheterization 68
diagnostic procedures 68
doctor visit 81
hospital care 55
inpatient care 55
minimally invasive procedures 68
pulmonary testing 102

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD.

Gender
Male 48
Female 133
Ethnicity
Non-Hispanic White 121
Black 0
Hispanic 32
Asian 16
Other 0
Native American 0
Age
From 65 to 74 61
From 75 to 84 0
85 and over 0
Less than 65 73

Conditions of Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD in 2013

The most common conditions of Medicare patients that Dr. Roham Tahmaseb Zamanian, MD treated during 2013 were heart failure, hypertension, high cholesterol and chronic kidney disease.

Hypertension 64
High Cholesterol 50
Stroke 0
Ischemic Heart Disease 44
Depression 32
Chronic Kidney Disease 48
Asthma 19
Osteoperosis 10
Atrial Fibrilation 20
Heart Failure 75
Chronic Obstructive Pulmonary Disease 36
Diabetes 33
Dementia 0
Cancer 9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Roham Tahmaseb Zamanian, MD treated as a pulmonologist in Palo Alto, CA during 2014 were minimally invasive procedures, catheterization, cardiac procedures and diagnostic procedures.

Volume of procedures performed by Dr. Roham Tahmaseb Zamanian, MD for Medicare patients.

cardiac procedures 56
catheterization 56
diagnostic procedures 56
doctor visit 64
minimally invasive procedures 56
pulmonary testing 17

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD.

Gender
Male 30
Female 78
Ethnicity
Non-Hispanic White 63
Black 0
Hispanic 24
Asian 0
Other 0
Native American 0
Age
From 65 to 74 47
From 75 to 84 0
85 and over 0
Less than 65 35

Conditions of Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD in 2014

The most common conditions of Medicare patients that Dr. Roham Tahmaseb Zamanian, MD treated during 2014 were heart failure, hypertension, high cholesterol and chronic kidney disease.

Hypertension 73
High Cholesterol 53
Stroke 0
Ischemic Heart Disease 41
Depression 28
Chronic Kidney Disease 45
Asthma 20
Osteoperosis 0
Atrial Fibrilation 21
Heart Failure 75
Chronic Obstructive Pulmonary Disease 31
Diabetes 40
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Roham Tahmaseb Zamanian, MD treated as a pulmonologist in Palo Alto, CA during 2015 were minimally invasive procedures, catheterization, cardiac procedures and diagnostic procedures.

Volume of procedures performed by Dr. Roham Tahmaseb Zamanian, MD for Medicare patients.

cardiac procedures 54
catheterization 54
diagnostic procedures 54
doctor visit 94
hospital care 33
inpatient care 33
minimally invasive procedures 54

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD.

Gender
Male 64
Female 160
Ethnicity
Non-Hispanic White 150
Black 0
Hispanic 0
Asian 34
Other 0
Native American 0
Age
From 65 to 74 76
From 75 to 84 0
85 and over 0
Less than 65 76

Conditions of Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD in 2015

The most common conditions of Medicare patients that Dr. Roham Tahmaseb Zamanian, MD treated during 2015 were heart failure, hypertension, high cholesterol and chronic kidney disease.

Hypertension 75
High Cholesterol 60
Stroke 0
Ischemic Heart Disease 49
Depression 22
Chronic Kidney Disease 52
Asthma 21
Osteoperosis 0
Atrial Fibrilation 21
Heart Failure 75
Chronic Obstructive Pulmonary Disease 40
Diabetes 38
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Roham Tahmaseb Zamanian, MD treated as a pulmonologist in Palo Alto, CA during 2016 were minimally invasive procedures, catheterization, hospital care and cardiac procedures.

Volume of procedures performed by Dr. Roham Tahmaseb Zamanian, MD for Medicare patients.

cardiac procedures 33
catheterization 33
diagnostic procedures 33
doctor visit 31
hospital care 33
inpatient care 33
minimally invasive procedures 33

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD.

Gender
Male 22
Female 47
Ethnicity
Non-Hispanic White 44
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 24
From 75 to 84 0
85 and over 0
Less than 65 28

Conditions of Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD in 2016

The most common conditions of Medicare patients that Dr. Roham Tahmaseb Zamanian, MD treated during 2016 were heart failure, hypertension, chronic kidney disease and high cholesterol.

Hypertension 64
High Cholesterol 52
Stroke 0
Ischemic Heart Disease 38
Depression 28
Chronic Kidney Disease 57
Asthma 32
Osteoperosis 0
Atrial Fibrilation 17
Heart Failure 71
Chronic Obstructive Pulmonary Disease 30
Diabetes 23
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Roham Tahmaseb Zamanian, MD treated as a pulmonologist in Palo Alto, CA during 2017 were minimally invasive procedures, catheterization, cardiac procedures and diagnostic procedures.

Volume of procedures performed by Dr. Roham Tahmaseb Zamanian, MD for Medicare patients.

cardiac procedures 28
catheterization 28
diagnostic procedures 28
doctor visit 37
minimally invasive procedures 28

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD.

Gender
Male 23
Female 43
Ethnicity
Non-Hispanic White 41
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 27
From 75 to 84 0
85 and over 0
Less than 65 25

Conditions of Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD in 2017

The most common conditions of Medicare patients that Dr. Roham Tahmaseb Zamanian, MD treated during 2017 were heart failure, hypertension, chronic kidney disease and high cholesterol.

Hypertension 70
High Cholesterol 42
Stroke 0
Ischemic Heart Disease 30
Depression 35
Chronic Kidney Disease 45
Asthma 0
Osteoperosis 17
Atrial Fibrilation 21
Heart Failure 73
Chronic Obstructive Pulmonary Disease 36
Diabetes 29
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Roham Tahmaseb Zamanian, MD treated as a pulmonologist in Palo Alto, CA during 2018 were hospital care, inpatient care, minimally invasive procedures and catheterization.

Volume of procedures performed by Dr. Roham Tahmaseb Zamanian, MD for Medicare patients.

cardiac procedures 25
catheterization 25
diagnostic procedures 25
doctor visit 47
hospital care 33
inpatient care 33
minimally invasive procedures 25

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD.

Gender
Male 23
Female 48
Ethnicity
Non-Hispanic White 45
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 27
From 75 to 84 0
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD in 2018

The most common conditions of Medicare patients that Dr. Roham Tahmaseb Zamanian, MD treated during 2018 were heart failure, hypertension, chronic kidney disease and high cholesterol.

Hypertension 72
High Cholesterol 46
Stroke 0
Ischemic Heart Disease 45
Depression 38
Chronic Kidney Disease 56
Asthma 23
Osteoperosis 0
Atrial Fibrilation 25
Heart Failure 72
Chronic Obstructive Pulmonary Disease 27
Diabetes 31
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Roham Tahmaseb Zamanian, MD treated as a pulmonologist in Palo Alto, CA during 2019 were minimally invasive procedures, catheterization, cardiac procedures and diagnostic procedures.

Volume of procedures performed by Dr. Roham Tahmaseb Zamanian, MD for Medicare patients.

cardiac procedures 29
catheterization 29
diagnostic procedures 29
doctor visit 48
minimally invasive procedures 29

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD.

Gender
Male 23
Female 45
Ethnicity
Non-Hispanic White 43
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 23
From 75 to 84 0
85 and over 0
Less than 65 23

Conditions of Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD in 2019

The most common conditions of Medicare patients that Dr. Roham Tahmaseb Zamanian, MD treated during 2019 were heart failure, hypertension, chronic kidney disease and high cholesterol.

Hypertension 75
High Cholesterol 49
Stroke 0
Ischemic Heart Disease 46
Depression 29
Chronic Kidney Disease 59
Asthma 19
Osteoperosis 0
Atrial Fibrilation 25
Heart Failure 75
Chronic Obstructive Pulmonary Disease 35
Diabetes 31
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Roham Tahmaseb Zamanian, MD treated as a pulmonologist in Palo Alto, CA during 2020 were hospital care, inpatient care, minimally invasive procedures and catheterization.

Volume of procedures performed by Dr. Roham Tahmaseb Zamanian, MD for Medicare patients.

cardiac procedures 23
catheterization 23
diagnostic procedures 23
doctor visit 26
hospital care 38
inpatient care 38
minimally invasive procedures 23

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD.

Gender
Male 11
Female 44
Ethnicity
Non-Hispanic White 40
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 28
From 75 to 84 13
85 and over 0
Less than 65 14

Conditions of Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD in 2020

The most common conditions of Medicare patients that Dr. Roham Tahmaseb Zamanian, MD treated during 2020 were heart failure, hypertension, chronic kidney disease and high cholesterol.

Hypertension 75
High Cholesterol 51
Stroke 0
Ischemic Heart Disease 45
Depression 42
Chronic Kidney Disease 55
Asthma 0
Osteoperosis 0
Atrial Fibrilation 24
Heart Failure 75
Chronic Obstructive Pulmonary Disease 25
Diabetes 38
Dementia 22
Cancer 0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Roham Tahmaseb Zamanian, MD treated as a pulmonologist in Palo Alto, CA during 2021 were minimally invasive procedures, catheterization, cardiac procedures and diagnostic procedures.

Volume of procedures performed by Dr. Roham Tahmaseb Zamanian, MD for Medicare patients.

cardiac procedures 31
catheterization 31
diagnostic procedures 31
doctor visit 26
minimally invasive procedures 31

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD.

Gender
Male 18
Female 40
Ethnicity
Non-Hispanic White 36
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 19
From 75 to 84 20
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD in 2021

The most common conditions of Medicare patients that Dr. Roham Tahmaseb Zamanian, MD treated during 2021 were heart failure, hypertension, chronic kidney disease and ischemic heart disease.

Hypertension 71
High Cholesterol 50
Stroke 0
Ischemic Heart Disease 52
Depression 33
Chronic Kidney Disease 53
Asthma 0
Osteoperosis 21
Atrial Fibrilation 0
Heart Failure 75
Chronic Obstructive Pulmonary Disease 34
Diabetes 36
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Roham Tahmaseb Zamanian, MD treated as a pulmonologist in Palo Alto, CA during 2022 were minimally invasive procedures, catheterization, cardiac procedures and diagnostic procedures.

Volume of procedures performed by Dr. Roham Tahmaseb Zamanian, MD for Medicare patients.

cardiac procedures 23
catheterization 23
diagnostic procedures 23
doctor visit 41
minimally invasive procedures 23

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD.

Gender
Male 21
Female 34
Ethnicity
Non-Hispanic White 34
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 20
From 75 to 84 19
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD in 2022

The most common conditions of Medicare patients that Dr. Roham Tahmaseb Zamanian, MD treated during 2022 were hypertension, heart failure, high cholesterol and chronic kidney disease.

Hypertension 75
High Cholesterol 69
Stroke 0
Ischemic Heart Disease 29
Depression 20
Chronic Kidney Disease 47
Asthma 0
Osteoperosis 24
Atrial Fibrilation 35
Heart Failure 69
Chronic Obstructive Pulmonary Disease 35
Diabetes 31
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Roham Tahmaseb Zamanian, MD treated as a pulmonologist in Palo Alto, CA during 2023 were hospital care, inpatient care, minimally invasive procedures and catheterization.

Volume of procedures performed by Dr. Roham Tahmaseb Zamanian, MD for Medicare patients.

cardiac procedures 20
catheterization 20
diagnostic procedures 20
doctor visit 16
hospital care 40
inpatient care 40
minimally invasive procedures 20

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD.

Gender
Male 16
Female 36
Ethnicity
Non-Hispanic White 34
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 0
From 75 to 84 18
85 and over 0
Less than 65 21

Conditions of Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD in 2023

The most common conditions of Medicare patients that Dr. Roham Tahmaseb Zamanian, MD treated during 2023 were heart failure, hypertension, high cholesterol and diabetes.

Hypertension 75
High Cholesterol 62
Stroke 0
Ischemic Heart Disease 25
Depression 23
Chronic Kidney Disease 42
Asthma 23
Osteoperosis 0
Atrial Fibrilation 35
Heart Failure 75
Chronic Obstructive Pulmonary Disease 25
Diabetes 50
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Roham Tahmaseb Zamanian, MD for Medicare patients.

The highest averages for the top procedures that Dr. Roham Tahmaseb Zamanian, MD treated as a pulmonologist in Palo Alto, CA were pulmonary testing, hospital care, inpatient care and minimally invasive procedures.

cardiac procedures 35
catheterization 35
diagnostic procedures 35
doctor visit 46
hospital care 38
inpatient care 38
minimally invasive procedures 35
pulmonary testing 59

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD.

Gender
Male 27
Female 64
Ethnicity
Black / African American 0
Asian / Pacific Islander 4
Non-Hispanic White 59
Hispanic 5
Native American / Alaskan Native 0
Other 0
Age
75 to 84 6
85 and over 0
Less than 65 26
65 to 74 32

Average of Total of Conditions of Medicare patients treated by Dr. Roham Tahmaseb Zamanian, MD From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Roham Tahmaseb Zamanian, MD treated were heart failure, hypertension, high cholesterol and chronic kidney disease.

Hypertension 71
High Cholesterol 53
Stroke 0
Ischemic Heart Disease 40
Depression 30
Chronic Kidney Disease 50
Asthma 14
Osteoporosis 6
Heart Failure 73
Chronic Obstructive Pulmonary Disease 32
Diabetes 34
Atrial Fibrillation 22
Cancer 0
Dementia 2

Education & Training

Dr. Roham Tahmaseb Zamanian, MD graduated from University of California, Irvine, School of Medicine in 1999. He completed residency at University of California, Irvine Affiliated Hospitals. He is certified by the American Board of Internal Medicine, Pulmonary Disease and has a state license in California.

Medical School: University of California, Irvine, School of Medicine (1999)

Residency: University of California, Irvine Affiliated Hospitals

Board Certification: American Board of Internal Medicine, Pulmonary Disease

Licensed In: California

Affiliations & Hospitals

Dr. Roham Tahmaseb Zamanian, MD is associated with these hospitals and organizations:

Stanford Health Care

Ratings & Reviews

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General Payments

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

Payments by Company
Actelion Pharmaceuticals US, Inc. $26,846 OPSUMIT MACITENTAN
$7,050 		MACITENTAN OPSUMIT--PRO
$6,412 		OPSUMIT
$4,050 		VELETRI EPOPROSTENOL
$109
$9,226
Bayer HealthCare Pharmaceuticals Inc. $14,153 Adempas
$14,153
UPJOHN US 1 LLC $11,544 VIAGRA
$11,544
Actelion Pharmaceuticals, Ltd $11,390 OPSUMIT MACITENTAN
$1,399
$9,991
Merck Sharp & Dohme LLC $8,812
$8,812
Other $17,373 QSYMIA
$4,584 		ORENITRAM
$2,463 		Letairis
$984 		TYVASO
$615 		REMODULIN
$207 		Other
$8,519
Types of Payments
Consulting Fee $71,244
Travel and Lodging $11,723
Food and Beverage $3,747
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $3,300
Education $105

Research Payments

Dr. Roham Tahmaseb Zamanian, MD has received 98 research payments totaling $398,629.

Biography

Dr. Roham Zamanian's medical specialty is critical care (intensive care medicine) and adult pulmonology. Before completing his residency at a hospital affiliated with the University of California, Irvine, Dr. Zamanian attended medical school at the University of California, Irvine, School of Medicine. In Dr. Zamanian's practice, he is particularly interested in hereditary hemorrhagic telangiectasia (HHT), pulmonary embolism, and pulmonary hypertension. His distinctions include: Case Presentation Award, ACCP - Chest 2000; Excellence in Research Award, University of California, Irvine School of Biological Sciences; and Faculty Teaching Award, Dept of Medicine, Stanford. He is conversant in Persian. Dr. Zamanian is professionally affiliated with Stanford Health Care.

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