Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > CA Providers > Emergency Physicians

Dr. Gregory Thomas Hartt, MD

(No ratings)

Specializes in: Emergency Medicine

2175 Rosaline Avenue
Redding, CA 96001

(530) 225-6000

Dr. Gregory Thomas Hartt, MD is an emergency medicine doctor in Redding, CA specializing in emergency medicine.

Office Locations

2175 Rosaline Avenue
Redding, CA 96001

(530) 225-6000

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Gregory Thomas Hartt, MD in 2023

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

Top 25%

By Volume:

emergency room care

In 2012, Dr. Gregory Thomas Hartt, MD performed more emergency room (ER) care procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Hartt, MD treated as an emergency medicine doctor in Redding, CA during 2012 were emergency care, ultrasound (sonogram), abdominal imaging and X-rays.

Volume of procedures performed by Dr. Gregory Thomas Hartt, MD for Medicare patients.

abdominal imaging	19
emergency care	628
thoracic (chest) imaging	14
ultrasound (sonogram)	19
X-rays	14

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Hartt, MD treated as an emergency medicine doctor in Redding, CA during 2013 were emergency care, ultrasound (sonogram) and abdominal imaging.

Volume of procedures performed by Dr. Gregory Thomas Hartt, MD for Medicare patients.

abdominal imaging	27
emergency care	1039
ultrasound (sonogram)	27

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Hartt, MD.

**Gender**
Male	518
Female	630

**Ethnicity**
Non-Hispanic White	1034
Black	0
Hispanic	57
Asian	16
Other	0
Native American	22

**Age**
From 65 to 74	329
From 75 to 84	294
85 and over	217
Less than 65	308

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2013

Hypertension	72
High Cholesterol	49
Stroke	12
Ischemic Heart Disease	44
Depression	35
Chronic Kidney Disease	37
Asthma	14
Osteoperosis	8
Atrial Fibrilation	18
Heart Failure	34
Chronic Obstructive Pulmonary Disease	33
Diabetes	34
Dementia	18
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Hartt, MD treated as an emergency medicine doctor in Redding, CA during 2014 were emergency care, ultrasound (sonogram) and abdominal imaging.

Volume of procedures performed by Dr. Gregory Thomas Hartt, MD for Medicare patients.

abdominal imaging	16
emergency care	982
ultrasound (sonogram)	16

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Hartt, MD.

**Gender**
Male	469
Female	590

**Ethnicity**
Non-Hispanic White	949
Black	0
Hispanic	52
Asian	13
Other	0
Native American	27

**Age**
From 65 to 74	302
From 75 to 84	269
85 and over	205
Less than 65	283

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2014

Hypertension	69
High Cholesterol	45
Stroke	10
Ischemic Heart Disease	40
Depression	35
Chronic Kidney Disease	37
Asthma	11
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	31
Chronic Obstructive Pulmonary Disease	36
Diabetes	36
Dementia	19
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Hartt, MD treated as an emergency medicine doctor in Redding, CA during 2015 were emergency care, ultrasound (sonogram), cardiac procedures and abdominal imaging.

Volume of procedures performed by Dr. Gregory Thomas Hartt, MD for Medicare patients.

abdominal imaging	15
cardiac procedures	15
emergency care	966
ultrasound (sonogram)	30

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Hartt, MD.

**Gender**
Male	858
Female	1176

**Ethnicity**
Non-Hispanic White	1800
Black	0
Hispanic	136
Asian	0
Other	0
Native American	50

**Age**
From 65 to 74	612
From 75 to 84	472
85 and over	406
Less than 65	544

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2015

Hypertension	74
High Cholesterol	50
Stroke	13
Ischemic Heart Disease	42
Depression	36
Chronic Kidney Disease	43
Asthma	24
Osteoperosis	8
Atrial Fibrilation	18
Heart Failure	34
Chronic Obstructive Pulmonary Disease	35
Diabetes	36
Dementia	20
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Hartt, MD treated as an emergency medicine doctor in Redding, CA during 2016 were emergency care, ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Gregory Thomas Hartt, MD for Medicare patients.

cardiac procedures	15
emergency care	1051
ultrasound (sonogram)	15

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Hartt, MD.

**Gender**
Male	469
Female	633

**Ethnicity**
Non-Hispanic White	983
Black	0
Hispanic	57
Asian	13
Other	0
Native American	32

**Age**
From 65 to 74	336
From 75 to 84	262
85 and over	236
Less than 65	268

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2016

Hypertension	75
High Cholesterol	49
Stroke	12
Ischemic Heart Disease	41
Depression	34
Chronic Kidney Disease	44
Asthma	37
Osteoperosis	8
Atrial Fibrilation	20
Heart Failure	33
Chronic Obstructive Pulmonary Disease	34
Diabetes	36
Dementia	23
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Hartt, MD treated as an emergency medicine doctor in Redding, CA during 2017 were emergency care, ultrasound (sonogram), cardiac procedures and abdominal imaging.

Volume of procedures performed by Dr. Gregory Thomas Hartt, MD for Medicare patients.

abdominal imaging	12
cardiac procedures	16
emergency care	702
ultrasound (sonogram)	28

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Hartt, MD.

**Gender**
Male	321
Female	431

**Ethnicity**
Non-Hispanic White	667
Black	0
Hispanic	38
Asian	15
Other	0
Native American	14

**Age**
From 65 to 74	238
From 75 to 84	199
85 and over	147
Less than 65	168

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2017

Hypertension	75
High Cholesterol	46
Stroke	13
Ischemic Heart Disease	43
Depression	34
Chronic Kidney Disease	46
Asthma	9
Osteoperosis	8
Atrial Fibrilation	19
Heart Failure	33
Chronic Obstructive Pulmonary Disease	34
Diabetes	34
Dementia	20
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Hartt, MD treated as an emergency medicine doctor in Redding, CA during 2018 were emergency care, ultrasound (sonogram) and abdominal imaging.

Volume of procedures performed by Dr. Gregory Thomas Hartt, MD for Medicare patients.

abdominal imaging	11
emergency care	661
ultrasound (sonogram)	11

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Hartt, MD.

**Gender**
Male	342
Female	394

**Ethnicity**
Non-Hispanic White	633
Black	0
Hispanic	43
Asian	18
Other	0
Native American	24

**Age**
From 65 to 74	240
From 75 to 84	219
85 and over	152
Less than 65	125

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2018

Hypertension	75
High Cholesterol	52
Stroke	12
Ischemic Heart Disease	43
Depression	33
Chronic Kidney Disease	49
Asthma	7
Osteoperosis	8
Atrial Fibrilation	20
Heart Failure	38
Chronic Obstructive Pulmonary Disease	32
Diabetes	36
Dementia	26
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Hartt, MD treated as an emergency medicine doctor in Redding, CA during 2019 were emergency care, ultrasound (sonogram) and abdominal imaging.

Volume of procedures performed by Dr. Gregory Thomas Hartt, MD for Medicare patients.

abdominal imaging	11
emergency care	561
ultrasound (sonogram)	11

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Hartt, MD.

**Gender**
Male	298
Female	348

**Ethnicity**
Non-Hispanic White	576
Black	0
Hispanic	28
Asian	15
Other	0
Native American	15

**Age**
From 65 to 74	219
From 75 to 84	174
85 and over	106
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2019

Hypertension	75
High Cholesterol	52
Stroke	12
Ischemic Heart Disease	44
Depression	35
Chronic Kidney Disease	46
Asthma	8
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	37
Chronic Obstructive Pulmonary Disease	35
Diabetes	36
Dementia	20
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Hartt, MD treated as an emergency medicine doctor in Redding, CA during 2020 were emergency care.

Volume of procedures performed by Dr. Gregory Thomas Hartt, MD for Medicare patients.

emergency care	508

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Hartt, MD.

**Gender**
Male	288
Female	318

**Ethnicity**
Non-Hispanic White	535
Black	0
Hispanic	33
Asian	0
Other	0
Native American	16

**Age**
From 65 to 74	172
From 75 to 84	198
85 and over	112
Less than 65	124

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2020

Hypertension	75
High Cholesterol	56
Stroke	11
Ischemic Heart Disease	43
Depression	34
Chronic Kidney Disease	52
Asthma	7
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	33
Chronic Obstructive Pulmonary Disease	32
Diabetes	40
Dementia	25
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Hartt, MD treated as an emergency medicine doctor in Redding, CA during 2021 were emergency care.

Volume of procedures performed by Dr. Gregory Thomas Hartt, MD for Medicare patients.

emergency care	479

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Hartt, MD.

**Gender**
Male	275
Female	293

**Ethnicity**
Non-Hispanic White	511
Black	0
Hispanic	23
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	198
From 75 to 84	178
85 and over	85
Less than 65	107

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2021

Hypertension	75
High Cholesterol	57
Stroke	13
Ischemic Heart Disease	43
Depression	30
Chronic Kidney Disease	53
Asthma	8
Osteoperosis	7
Atrial Fibrilation	20
Heart Failure	34
Chronic Obstructive Pulmonary Disease	33
Diabetes	39
Dementia	20
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Hartt, MD treated as an emergency medicine doctor in Redding, CA during 2022 were emergency care, ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Gregory Thomas Hartt, MD for Medicare patients.

cardiac procedures	11
emergency care	564
ultrasound (sonogram)	11

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Hartt, MD.

**Gender**
Male	290
Female	351

**Ethnicity**
Non-Hispanic White	571
Black	0
Hispanic	23
Asian	12
Other	0
Native American	17

**Age**
From 65 to 74	219
From 75 to 84	193
85 and over	126
Less than 65	103

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2022

Hypertension	75
High Cholesterol	71
Stroke	17
Ischemic Heart Disease	34
Depression	33
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	12
Atrial Fibrilation	32
Heart Failure	29
Chronic Obstructive Pulmonary Disease	35
Diabetes	35
Dementia	16
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gregory Thomas Hartt, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory Thomas Hartt, MD treated as an emergency medicine doctor in Redding, CA were emergency care, ultrasound (sonogram), abdominal imaging and X-rays.

abdominal imaging	15
cardiac procedures	14
emergency care	740
thoracic (chest) imaging	14
ultrasound (sonogram)	18
X-rays	14

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregory Thomas Hartt, MD.

**Gender**
Female	469
Male	375

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	10
Non-Hispanic White	750
Hispanic	44
Native American / Alaskan Native	19
Other	0

**Age**
85 and over	162
75 to 84	223
Less than 65	184
65 to 74	260

Average of Total of Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gregory Thomas Hartt, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	67
High Cholesterol	47
Stroke	11
Ischemic Heart Disease	37
Depression	30
Chronic Kidney Disease	39
Asthma	12
Osteoporosis	7
Heart Failure	30
Chronic Obstructive Pulmonary Disease	30
Diabetes	32
Atrial Fibrillation	18
Dementia	18
Cancer	11

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

Dr. Gregory Thomas Hartt, MD does not have any reviews yet, be the first to leave a review of Dr. Gregory Thomas Hartt, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Inari Medical, Inc.	$142 CT THROMBECTOMY SYSTEM KIT $142

**Types of Payments**
Food and Beverage	$142

Biography

Dr. Gregory Hartt specializes in emergency medicine and practices in Redding, CA. Dr. Hartt has obtained a license to practice in California.

Select Year:

Dr. Gregory Thomas Hartt, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Gregory Thomas Hartt, MD in 2023

By Volume:

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. Gregory Thomas Hartt, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Hartt, MD 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. Gregory Thomas Hartt, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Emergency Physicians in Nearby Locations

Other Providers in Redding, CA