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Dr. Samuel G. Katz, MD, PHD

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Specializes in: Hematopathology

Dr. Samuel G. Katz, MD, PHD is a hematopathologist specializing in hematopathology.

In The News

“Also recognized are Dr. Samuel Katz of Yale University, who is developing CAR T-cell therapy for metastatic triple-negative breast cancer; Dr. Timothy Robinson of Yale Cancer Center, who is...”—"Breast Health Initiative awards $250,000 in grants", The Chronicle, October 2025

“Dr. Sam Katz has long enjoyed an international profile for developing the measles vaccine, helping to save millions of children's lives since its approval in 1963.”—"Doc hasn't stopped helping", Raleigh News & Observer, June 2008

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Samuel G. Katz, MD, PHD treated as a hematopathologist during 2012 were lab tests and second opinions.

Volume of procedures performed by Dr. Samuel G. Katz, MD, PHD for Medicare patients.

lab tests	332
second opinions	21

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Samuel G. Katz, MD, PHD treated as a hematopathologist during 2013 were lab tests.

Volume of procedures performed by Dr. Samuel G. Katz, MD, PHD for Medicare patients.

lab tests	402

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel G. Katz, MD, PHD.

**Gender**
Male	37
Female	30

**Age**
From 65 to 74	30
From 75 to 84	20
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2013

Hypertension	70
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	36
Depression	16
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	0
Cancer	28

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Samuel G. Katz, MD, PHD treated as a hematopathologist during 2014 were lab tests.

Volume of procedures performed by Dr. Samuel G. Katz, MD, PHD for Medicare patients.

lab tests	290

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel G. Katz, MD, PHD.

**Gender**
Male	50
Female	35

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

**Age**
From 65 to 74	41
From 75 to 84	30
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2014

Hypertension	73
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	40
Depression	15
Chronic Kidney Disease	40
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	32
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Samuel G. Katz, MD, PHD treated as a hematopathologist during 2015 were lab tests.

Volume of procedures performed by Dr. Samuel G. Katz, MD, PHD for Medicare patients.

lab tests	200

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel G. Katz, MD, PHD.

**Gender**
Male	80
Female	58

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

**Age**
From 65 to 74	48
From 75 to 84	42
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2015

Hypertension	74
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	33
Depression	17
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	17
Chronic Obstructive Pulmonary Disease	0
Diabetes	41
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Samuel G. Katz, MD, PHD treated as a hematopathologist during 2016 were lab tests.

Volume of procedures performed by Dr. Samuel G. Katz, MD, PHD for Medicare patients.

lab tests	260

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel G. Katz, MD, PHD.

**Gender**
Male	50
Female	26

**Ethnicity**
Non-Hispanic White	65
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	28
From 75 to 84	27
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2016

Hypertension	71
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	33
Depression	30
Chronic Kidney Disease	46
Asthma	24
Osteoperosis	0
Atrial Fibrilation	18
Heart Failure	25
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	14
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Samuel G. Katz, MD, PHD treated as a hematopathologist during 2017 were lab tests.

Volume of procedures performed by Dr. Samuel G. Katz, MD, PHD for Medicare patients.

lab tests	454

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel G. Katz, MD, PHD.

**Gender**
Male	69
Female	56

**Ethnicity**
Non-Hispanic White	105
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	43
85 and over	11
Less than 65	11

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2017

Hypertension	73
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	37
Depression	22
Chronic Kidney Disease	48
Asthma	11
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	29
Chronic Obstructive Pulmonary Disease	26
Diabetes	30
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Samuel G. Katz, MD, PHD treated as a hematopathologist during 2018 were lab tests.

Volume of procedures performed by Dr. Samuel G. Katz, MD, PHD for Medicare patients.

lab tests	351

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel G. Katz, MD, PHD.

**Gender**
Male	66
Female	42

**Ethnicity**
Non-Hispanic White	89
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	35
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2018

Hypertension	75
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	42
Depression	19
Chronic Kidney Disease	52
Asthma	0
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	32
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	13
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Samuel G. Katz, MD, PHD treated as a hematopathologist during 2019 were lab tests.

Volume of procedures performed by Dr. Samuel G. Katz, MD, PHD for Medicare patients.

lab tests	216

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel G. Katz, MD, PHD.

**Gender**
Male	34
Female	29

**Age**
From 65 to 74	28
From 75 to 84	22
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2019

Hypertension	75
High Cholesterol	73
Stroke	0
Ischemic Heart Disease	40
Depression	32
Chronic Kidney Disease	65
Asthma	0
Osteoperosis	0
Atrial Fibrilation	22
Heart Failure	30
Chronic Obstructive Pulmonary Disease	22
Diabetes	44
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Samuel G. Katz, MD, PHD treated as a hematopathologist during 2020 were lab tests.

Volume of procedures performed by Dr. Samuel G. Katz, MD, PHD for Medicare patients.

lab tests	288

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel G. Katz, MD, PHD.

**Gender**
Male	46
Female	37

**Ethnicity**
Non-Hispanic White	61
Black	11
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	37
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2020

Hypertension	75
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	40
Depression	29
Chronic Kidney Disease	59
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	22
Chronic Obstructive Pulmonary Disease	19
Diabetes	34
Dementia	20
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Samuel G. Katz, MD, PHD treated as a hematopathologist during 2021 were lab tests.

Volume of procedures performed by Dr. Samuel G. Katz, MD, PHD for Medicare patients.

lab tests	287

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel G. Katz, MD, PHD.

**Gender**
Male	44
Female	37

**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. Samuel G. Katz, MD, PHD in 2021

Hypertension	73
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	27
Depression	31
Chronic Kidney Disease	53
Asthma	0
Osteoperosis	20
Atrial Fibrilation	19
Heart Failure	25
Chronic Obstructive Pulmonary Disease	22
Diabetes	31
Dementia	0
Cancer	20

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Samuel G. Katz, MD, PHD treated as a hematopathologist during 2022 were lab tests.

Volume of procedures performed by Dr. Samuel G. Katz, MD, PHD for Medicare patients.

lab tests	196

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel G. Katz, MD, PHD.

**Gender**
Male	30
Female	25

**Age**
From 65 to 74	0
From 75 to 84	24
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	33
Depression	33
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	0
Atrial Fibrilation	22
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	0
Cancer	24

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Samuel G. Katz, MD, PHD for Medicare patients.

The highest averages for the top procedures that Dr. Samuel G. Katz, MD, PHD treated as a hematopathologist were lab tests and second opinions.

lab tests	297
second opinions	21

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Samuel G. Katz, MD, PHD.

**Gender**
Female	34
Male	46

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	45
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
85 and over	1
75 to 84	27
Less than 65	1
65 to 74	32

Average of Total of Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Samuel G. Katz, MD, PHD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	66
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	32
Depression	22
Chronic Kidney Disease	42
Asthma	3
Osteoporosis	3
Heart Failure	21
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Atrial Fibrillation	11
Dementia	5
Cancer	14

Education & Training

He has a state license in Massachusetts.

Licensed In: Massachusetts

Ratings & Reviews

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Biography

Dr. Samuel Katz's area of specialization is hematopathology. Anthem, ConnectiCare, and Blue California seem to be the insurance carriers that Dr. Katz accepts. Dr. Katz attended medical school at Harvard Medical School. He trained at Brigham and Women's Hospital for his residency. He is professionally affiliated with Yale Medicine and Yale New Haven Health. He has a closed panel according to Yale New Haven Health.

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Dr. Samuel G. Katz, MD, PHD

In The News

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Samuel G. Katz, MD, PHD From 2012 - 2022

Education & Training

Ratings & Reviews

Biography