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Home > CT Providers > Behavioral Neurologists & neuropsychiatrists

Dr. Joseph D. Trettel JR., PhD, MD

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(Joseph Trettel Jr., MD PHD)

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Specializes in: Behavioral Neurology & Neuropsychiatry

University of Connecticut School of Medicine

Professional interests include: deep brain stimulation (DBS), neurodegenerative diseases

200 Retreat Avenue Gengras Building
Hartford, CT 06106

Dr. Joseph D. Trettel JR., PhD, MD is a neuropsychiatrist / behavioral neurologist in Hartford, CT specializing in behavioral neurology & neuropsychiatry. He graduated from University of Connecticut School of Medicine. Dr. Joseph D. Trettel JR., PhD, MD is affiliated with Hartford Hospital, Hartford Healthcare, Institute of Living, Behavioral Health Network and Integrated Care Partners.

Office Locations

200 Retreat Avenue Gengras Building
Hartford, CT 06106

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Some issues Dr. Joseph D. Trettel JR., PhD, MD can help you with:

Deep Brain Stimulation (DBS)

Deep brain stimulation (DBS) is a procedure performed to help treat neurological conditions such as Parkinson's disease and epilepsy. Electrode leads are surgically implanted in the brain and connected to a device, called a neurostimulator (deep brain stimulator), that is placed underneath the skin (subcutaneously). The deep brain stimulator can send electrical signals through the electrodes to the brain to restore normal rhythms, or it can block electrical signals in specific areas of the brain to restore functioning. Although not a cure, DBS can treat symptoms of movement disorders such as pain and tremor when medication fails to work.

DBS surgery may be completed in one operating session, but it is more commonly performed in two parts. In the first stage of the procedure, the surgeon will map targets in the brain using CT or MRI imaging to determine where to place the electrodes. Then, by drilling holes into the skull, the surgeon will place the electrodes into specific areas in the brain. The holes will be closed, and patients will require 1-2 days to recover in the hospital. After about two weeks, patients will undergo another surgery to have the deep brain stimulator implanted. The stimulator is usually placed under the skin around the collarbone, chest, or abdomen, and it will be connected to the DBS electrodes through a subcutaneous wire. No component of the DBS system will be visible from outside. Following stimulator implantation, patients may need to recover in the hospital for 1-2 days.

Within 2-4 weeks of the operation, doctors will program the stimulator using a wireless device. Patients will work with their doctor to determine the most effective settings for the stimulator during follow-up visits. Patients will be given a handheld device so that they can turn the stimulator on or off and adjust its settings themselves. The stimulator may have a rechargeable battery, in which case patients will be given a charging unit. Stimulator batteries generally need to be replaced in 3-5 years.

In The News

“Dr. Joe Trettel was recently named medical director of neuropsychiatry at the Hartford HealthCare Ayer Neuroscience Institute and is the only clinical neuropsychiatrist practicing in Connecticut,...”—"Dr. Trettel named medical director of neuropsychiatry for Hartford HealthCare", Hartford Business, December 2017

Noteworthy Medicare Patient Procedures Performed by Dr. Joseph D. Trettel JR., PhD, MD in 2023

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

Top 5%

By Volume:

electroconvulsive therapy

In 2023, Dr. Joseph D. Trettel JR., PhD, MD performed more electroconvulsive therapy (ECT) procedures for Medicare patients than 95% of providers in related specialties within Connecticut.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Joseph D. Trettel JR., PhD, MD treated as a neuropsychiatrist / behavioral neurologist in Hartford, CT during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Joseph D. Trettel JR., PhD, MD for Medicare patients.

hospital care	94
inpatient care	94

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Joseph D. Trettel JR., PhD, MD treated as a neuropsychiatrist / behavioral neurologist in Hartford, CT during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Joseph D. Trettel JR., PhD, MD for Medicare patients.

hospital care	43
inpatient care	43

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD.

**Gender**
Male	21
Female	29

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

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

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2013

Hypertension	60
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	38
Depression	75
Chronic Kidney Disease	26
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	24
Diabetes	24
Dementia	30
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Joseph D. Trettel JR., PhD, MD treated as a neuropsychiatrist / behavioral neurologist in Hartford, CT during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Joseph D. Trettel JR., PhD, MD for Medicare patients.

doctor visit	116
hospital care	35
inpatient care	35

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD.

**Gender**
Male	32
Female	36

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

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

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2014

Hypertension	50
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	22
Depression	75
Chronic Kidney Disease	21
Asthma	18
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	28
Dementia	25
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Joseph D. Trettel JR., PhD, MD treated as a neuropsychiatrist / behavioral neurologist in Hartford, CT during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Joseph D. Trettel JR., PhD, MD for Medicare patients.

doctor visit	133
hospital care	27
inpatient care	27

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD.

**Gender**
Male	76
Female	102

**Ethnicity**
Non-Hispanic White	150
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	0
85 and over	0
Less than 65	72

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2015

Hypertension	62
High Cholesterol	43
Stroke	25
Ischemic Heart Disease	25
Depression	71
Chronic Kidney Disease	33
Asthma	18
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	44
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Joseph D. Trettel JR., PhD, MD for Medicare patients.

doctor visit	161

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD.

**Gender**
Male	36
Female	31

**Age**
From 65 to 74	18
From 75 to 84	0
85 and over	0
Less than 65	27

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2016

Hypertension	55
High Cholesterol	52
Stroke	22
Ischemic Heart Disease	24
Depression	54
Chronic Kidney Disease	25
Asthma	28
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	27
Diabetes	30
Dementia	57
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Joseph D. Trettel JR., PhD, MD for Medicare patients.

doctor visit	155

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD.

**Gender**
Male	30
Female	32

**Age**
From 65 to 74	17
From 75 to 84	0
85 and over	0
Less than 65	29

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2017

Hypertension	47
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	18
Depression	69
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	58
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Joseph D. Trettel JR., PhD, MD for Medicare patients.

doctor visit	173

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD.

**Gender**
Male	47
Female	42

**Ethnicity**
Non-Hispanic White	75
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2018

Hypertension	44
High Cholesterol	45
Stroke	20
Ischemic Heart Disease	21
Depression	62
Chronic Kidney Disease	25
Asthma	16
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	20
Dementia	67
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Joseph D. Trettel JR., PhD, MD for Medicare patients.

doctor visit	55

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD.

**Gender**
Male	34
Female	29

**Age**
From 65 to 74	21
From 75 to 84	0
85 and over	0
Less than 65	22

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2019

Hypertension	49
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	22
Depression	71
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	29
Dementia	70
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Joseph D. Trettel JR., PhD, MD treated as a neuropsychiatrist / behavioral neurologist in Hartford, CT during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Joseph D. Trettel JR., PhD, MD for Medicare patients.

hospital care	55
inpatient care	55

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD.

**Gender**
Male	27
Female	22

**Ethnicity**
Non-Hispanic White	37
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	13
From 75 to 84	0
85 and over	0
Less than 65	23

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2020

Hypertension	75
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	33
Depression	75
Chronic Kidney Disease	57
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	39
Chronic Obstructive Pulmonary Disease	35
Diabetes	35
Dementia	47
Cancer	22

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Joseph D. Trettel JR., PhD, MD treated as a neuropsychiatrist / behavioral neurologist in Hartford, CT during 2021 were electroconvulsive therapy (ECT), hospital care and inpatient care.

Volume of procedures performed by Dr. Joseph D. Trettel JR., PhD, MD for Medicare patients.

electroconvulsive therapy (ECT)	301
hospital care	30
inpatient care	30

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD.

**Gender**
Male	22
Female	40

**Age**
From 65 to 74	16
From 75 to 84	0
85 and over	0
Less than 65	31

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2021

Hypertension	61
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	18
Depression	75
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	19
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	27
Dementia	47
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Joseph D. Trettel JR., PhD, MD treated as a neuropsychiatrist / behavioral neurologist in Hartford, CT during 2022 were electroconvulsive therapy (ECT), hospital care and inpatient care.

Volume of procedures performed by Dr. Joseph D. Trettel JR., PhD, MD for Medicare patients.

electroconvulsive therapy (ECT)	164
hospital care	24
inpatient care	24

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD.

**Gender**
Male	25
Female	32

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

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2022

Hypertension	56
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	0
Depression	75
Chronic Kidney Disease	19
Asthma	21
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	26
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Joseph D. Trettel JR., PhD, MD for Medicare patients.

The highest averages for the top procedures that Dr. Joseph D. Trettel JR., PhD, MD treated as a neuropsychiatrist / behavioral neurologist in Hartford, CT were hospital care and inpatient care.

doctor visit	132
hospital care	44
inpatient care	44

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD.

**Gender**
Male	31
Female	35

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

**Age**
75 to 84	0
85 and over	0
Less than 65	28
65 to 74	15

Average of Total of Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Joseph D. Trettel JR., PhD, MD treated were depression, hypertension, high cholesterol and dementia.

Hypertension	50
High Cholesterol	45
Stroke	6
Ischemic Heart Disease	20
Depression	63
Chronic Kidney Disease	25
Asthma	9
Osteoporosis	2
Heart Failure	6
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Atrial Fibrillation	1
Cancer	3
Dementia	42

Education & Training

Dr. Joseph D. Trettel JR., PhD, MD graduated from University of Connecticut School of Medicine. He completed residency at Hartford Hospital. He has a state license in Connecticut.

Medical School: University of Connecticut School of Medicine

Residency: Hartford Hospital

Licensed In: Connecticut

Affiliations & Hospitals

Dr. Joseph D. Trettel JR., PhD, MD is associated with these hospitals and organizations:

Hartford Hospital

Hartford Healthcare

Institute of Living

Behavioral Health Network

Integrated Care Partners

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. Joseph D. Trettel JR., PhD, MD appears to accept the following insurance providers: CorVel, Great-West Healthcare, WellCare, Evercare, MultiPlan, United Healthcare, Aetna, Oxford Health Plans, Coventry, Cigna, Anthem, ConnectiCare, Focus Health Solutions, Prime Health, First Health, Private Healthcare Systems (PHCS), CarePartners of Connecticut, Senior Whole Health, Health Direct, Colonial Cooperative Care, BCBS Medicare, Inc., Health Connecticut, Health New England, Healthy Connecticut, Connecticare Commercial, Essence Healthcare, Connecticare Medicare, Community Health Network of Connecticut and Northeast Health Direct.

Insurance Accepted by Provider includes:

According to our sources, Dr. Joseph D. Trettel JR., PhD, MD accepts the following insurance providers:

CorVel

Great-West Healthcare

WellCare

Evercare

MultiPlan

United Healthcare

Aetna

Oxford Health Plans

Coventry

Cigna

Anthem

ConnectiCare

Focus Health Solutions

Prime Health

First Health

Private Healthcare Systems (PHCS)

CarePartners of Connecticut

Senior Whole Health

Health Direct

Colonial Cooperative Care

BCBS Medicare

Inc.

Health Connecticut

Health New England

Healthy Connecticut

Connecticare Commercial

Essence Healthcare

Connecticare Medicare

Community Health Network of Connecticut

Northeast Health Direct

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Joseph D. Trettel JR., PhD, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Amgen Inc.	$20 Aimovig $20
Otsuka America Pharmaceutical, Inc.	$19 Nuedexta $19

**Types of Payments**
Food and Beverage	$38

Biography

Dr. Joseph Trettel's area of specialization is behavioral neurology & neuropsychiatry. These areas are among his clinical interests: neurodegenerative diseases and deep brain stimulation (DBS). He is affiliated with Hartford Hospital. Dr. Trettel is a graduate of the University of Connecticut School of Medicine. For his professional training, Dr. Trettel completed a residency program at Hartford Hospital. He seems to honor several insurance carriers, including Anthem, ConnectiCare, and Blue California. Dr. Trettel's practice in Hartford, CT is open to new patients as reported by Hartford Healthcare.

Select Year:

Dr. Joseph D. Trettel JR., PhD, MD

Office Locations

Therapy on Your Terms

Some issues Dr. Joseph D. Trettel JR., PhD, MD can help you with:

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Joseph D. Trettel JR., PhD, 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. Joseph D. Trettel JR., PhD, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph D. Trettel JR., PhD, 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. Joseph D. Trettel JR., PhD, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Biography

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