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Dr. Gary Alan Zimmerman, MD

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Specializes in: Spine Surgery and Neurosurgery

SUNY Downstate Medical Center College of Medicine

Professional interests include: spinal cord injury, tumor, cerebrovascular disease, and more.

One Long Wharf Drive Floor 6
New Haven, CT 06511

1-877-925-3637

Dr. Gary Alan Zimmerman, MD is a spine surgeon in New Haven, CT specializing in spine surgery and neurosurgery. He graduated from SUNY Downstate Medical Center College of Medicine. Dr. Gary Alan Zimmerman, MD is affiliated with Griffin Health, Yale Medicine, Lawrence + Memorial Hospital and Yale New Haven Health.

Office Locations

333 Cedar Street
New Haven, CT 06510

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5520 Park Avenue
Trumbull, CT 06611

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Yale New Haven Health

One Long Wharf Drive Floor 6
New Haven, CT 06511

1-877-925-3637

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Some issues Dr. Gary Alan Zimmerman, MD can help you with:

Spinal Cord Injury

Spinal cord injury medicine is a branch of medicine that treats damage to the spinal cord from an injury or a nontraumatic myelopathy, which is any disorder that affects the spinal area. The spinal cord is a section of nerve tissue protected by the vertebrae (spinal bones). Trauma to the spinal cord, typically caused by compression or bent vertebrae, prevents the body and brain from communicating. This can result in pain, loss of sensation, and impaired physical function and movement. Acute spinal cord injuries (SCIs) are a leading cause of permanent disability. Spinal cord injuries may develop from accidents or myelopathies, disorders that provoke spinal compression. Traumatic incidents such as falls, sports injuries, vehicle accidents, and bullet or stab wounds can cause an acute spinal cord injury.

Spinal cord injury medicine seeks to stabilize the spine and to alleviate the symptoms of spine damage. Practitioners of spinal cord injury medicine are called spinal cord injury specialists. Spinal cord injury medicine is an interdisciplinary field, meaning physicians of various specialties may be trained to treat spinal cord injuries.

Damage to the spinal cord may initially be diagnosed through X-ray, MRI, or CT scans. Patients can also undergo spinal exams to evaluate their sensory ability and strength. Injuries to the spinal cord can be complete (no feeling or sensation) or incomplete (some feeling or sensation remains). Conditions spinal cord injury medicine specialists may treat include:

Paralysis, such as paraplegia (loss of function in the legs), or quadriplegia (loss of function from the neck down)
Spine fracture or trauma, which can lead to impairment and/or significant pain
Spinal infections
Myelopathies, such as herniated disks, spinal tumors, and rheumatoid arthritis
Inflammatory diseases such as ankylosing spondylosis, and degenerative conditions like Lou Gehrig's disease (ALS)

Treatment for spinal cord injuries often involves surgery, either directly after an injury occurs or at a later date. Surgery for spine injuries is intended to ease spinal compression and stabilize the spine. Surgical procedures can involve shifting vertebrae, removing bone, or altering spinal placement with implantable devices. Patients with significant spinal trauma may require urgent surgical intervention.

Surgical treatments can be complemented by rehabilitative physical therapy to improve mobility. Spinal cord injury specialists also treat complications arising from a spinal injury, such as respiratory or bladder conditions. Some patients with spinal cord injuries may require lifelong treatment. Spinal cord injury specialists aim to help these patients successfully adjust and lead an improved quality of life. An emerging treatment for spinal cord injuries is neural prosthetics, which replicate patients' lost nerve function. Neural prostheses may be used as artificial body parts or assistive devices that patients may cognitively control. Other assistive devices include wheelchairs and scooters.

Spinal cord injury specialists may collaborate with physical therapists, radiologists, neurologists, urologists, and orthopedists.

Noteworthy Medicare Patient Procedures Performed by Dr. Gary Alan Zimmerman, MD in 2023

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

Top 5%

By Volume:

pelvis X-ray

By Affordability:

spine MRI

In 2023, among providers in related specialties within Connecticut, Dr. Gary Alan Zimmerman, MD performed more pelvis X-ray procedures for Medicare patients than 95% of them and he also had a list price for spine MRI that was lower than the list prices billed to Medicare by 95% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 10%

By Volume:

X-rays

In 2023, Dr. Gary Alan Zimmerman, MD performed more X-rays procedures for Medicare patients than 90% of providers in related specialties within Connecticut.

Top 25%

By Volume:

spine imaging

By Affordability:

MRI

In 2012, among providers in related specialties within Connecticut, Dr. Gary Alan Zimmerman, MD performed more spine imaging procedures for Medicare patients than 75% of them and he also had a list price for MRI (magnetic resonance imaging) that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gary Alan Zimmerman, MD treated as a spine surgeon in New Haven, CT during 2012 were nerve procedures, decompression surgery, spinal procedures and hospital care.

Volume of procedures performed by Dr. Gary Alan Zimmerman, MD for Medicare patients.

decompression surgery	22
doctor visit	130
hospital care	12
inpatient care	12
nerve procedures	22
spinal procedures	22

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gary Alan Zimmerman, MD treated as a spine surgeon in New Haven, CT during 2013 were nerve procedures, decompression surgery, spinal procedures and hospital care.

Volume of procedures performed by Dr. Gary Alan Zimmerman, MD for Medicare patients.

decompression surgery	17
doctor visit	110
hospital care	12
inpatient care	12
nerve procedures	17
spinal procedures	17

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Alan Zimmerman, MD.

**Gender**
Male	36
Female	65

**Ethnicity**
Non-Hispanic White	79
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	32
From 75 to 84	31
85 and over	16
Less than 65	22

Conditions of Medicare patients treated by Dr. Gary Alan Zimmerman, MD in 2013

Hypertension	75
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	46
Depression	41
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	20
Atrial Fibrilation	20
Heart Failure	22
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	17
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gary Alan Zimmerman, MD treated as a spine surgeon in New Haven, CT during 2014 were nerve procedures, decompression surgery, spinal procedures and hospital care.

Volume of procedures performed by Dr. Gary Alan Zimmerman, MD for Medicare patients.

decompression surgery	19
doctor visit	156
hospital care	18
inpatient care	18
nerve procedures	19
spinal procedures	19

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Alan Zimmerman, MD.

**Gender**
Male	56
Female	77

**Ethnicity**
Non-Hispanic White	105
Black	0
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	46
85 and over	11
Less than 65	27

Conditions of Medicare patients treated by Dr. Gary Alan Zimmerman, MD in 2014

Hypertension	73
High Cholesterol	60
Stroke	14
Ischemic Heart Disease	37
Depression	30
Chronic Kidney Disease	16
Asthma	11
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	35
Dementia	11
Cancer	18

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gary Alan Zimmerman, MD treated as a spine surgeon in New Haven, CT during 2015 were nerve procedures, decompression surgery, spinal procedures and hospital care.

Volume of procedures performed by Dr. Gary Alan Zimmerman, MD for Medicare patients.

decompression surgery	20
doctor visit	155
hospital care	15
inpatient care	15
nerve procedures	20
spinal procedures	20

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Alan Zimmerman, MD.

**Gender**
Male	140
Female	162

**Ethnicity**
Non-Hispanic White	240
Black	24
Hispanic	38
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	98
85 and over	42
Less than 65	36

Conditions of Medicare patients treated by Dr. Gary Alan Zimmerman, MD in 2015

Hypertension	75
High Cholesterol	59
Stroke	17
Ischemic Heart Disease	37
Depression	26
Chronic Kidney Disease	19
Asthma	16
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	15
Diabetes	34
Dementia	19
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gary Alan Zimmerman, MD treated as a spine surgeon in New Haven, CT during 2016 were nerve procedures, decompression surgery, spinal procedures and hospital care.

Volume of procedures performed by Dr. Gary Alan Zimmerman, MD for Medicare patients.

decompression surgery	17
doctor visit	159
hospital care	11
inpatient care	11
nerve procedures	17
spinal procedures	17

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Alan Zimmerman, MD.

**Gender**
Male	61
Female	81

**Ethnicity**
Non-Hispanic White	116
Black	0
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	40
85 and over	20
Less than 65	27

Conditions of Medicare patients treated by Dr. Gary Alan Zimmerman, MD in 2016

Hypertension	75
High Cholesterol	63
Stroke	13
Ischemic Heart Disease	35
Depression	26
Chronic Kidney Disease	28
Asthma	18
Osteoperosis	14
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gary Alan Zimmerman, MD treated as a spine surgeon in New Haven, CT during 2017 were hospital care, inpatient care, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Gary Alan Zimmerman, MD for Medicare patients.

decompression surgery	17
doctor visit	293
hospital care	30
inpatient care	30
nerve procedures	17
spinal procedures	17

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Alan Zimmerman, MD.

**Gender**
Male	106
Female	135

**Ethnicity**
Non-Hispanic White	189
Black	27
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	79
From 75 to 84	91
85 and over	40
Less than 65	31

Conditions of Medicare patients treated by Dr. Gary Alan Zimmerman, MD in 2017

Hypertension	75
High Cholesterol	52
Stroke	13
Ischemic Heart Disease	36
Depression	29
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	21
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Dementia	15
Cancer	19

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gary Alan Zimmerman, MD treated as a spine surgeon in New Haven, CT during 2018 were spinal procedures, X-rays, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Gary Alan Zimmerman, MD for Medicare patients.

decompression surgery	17
doctor visit	384
hospital care	16
inpatient care	16
nerve procedures	17
spinal procedures	47
X-rays	18

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Alan Zimmerman, MD.

**Gender**
Male	109
Female	163

**Ethnicity**
Non-Hispanic White	210
Black	27
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	91
85 and over	32
Less than 65	39

Conditions of Medicare patients treated by Dr. Gary Alan Zimmerman, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	36
Depression	29
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	16
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gary Alan Zimmerman, MD treated as a spine surgeon in New Haven, CT during 2019 were spinal procedures, X-rays, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Gary Alan Zimmerman, MD for Medicare patients.

decompression surgery	13
doctor visit	304
nerve procedures	13
spinal procedures	64
X-rays	35

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Alan Zimmerman, MD.

**Gender**
Male	114
Female	118

**Ethnicity**
Non-Hispanic White	182
Black	15
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	89
85 and over	23
Less than 65	31

Conditions of Medicare patients treated by Dr. Gary Alan Zimmerman, MD in 2019

Hypertension	72
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	34
Depression	31
Chronic Kidney Disease	28
Asthma	11
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gary Alan Zimmerman, MD treated as a spine surgeon in New Haven, CT during 2020 were spinal procedures, X-rays and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Gary Alan Zimmerman, MD for Medicare patients.

doctor visit	295
MRI (magnetic resonance imaging)	15
spinal procedures	42
X-rays	27

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Alan Zimmerman, MD.

**Gender**
Male	101
Female	116

**Ethnicity**
Non-Hispanic White	178
Black	15
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	78
85 and over	30
Less than 65	21

Conditions of Medicare patients treated by Dr. Gary Alan Zimmerman, MD in 2020

Hypertension	75
High Cholesterol	69
Stroke	6
Ischemic Heart Disease	31
Depression	28
Chronic Kidney Disease	33
Asthma	13
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	16
Chronic Obstructive Pulmonary Disease	10
Diabetes	35
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gary Alan Zimmerman, MD treated as a spine surgeon in New Haven, CT during 2021 were spinal procedures, X-rays, MRI (magnetic resonance imaging) and nerve procedures.

Volume of procedures performed by Dr. Gary Alan Zimmerman, MD for Medicare patients.

decompression surgery	22
doctor visit	571
MRI (magnetic resonance imaging)	42
nerve procedures	22
pelvic imaging	17
spinal procedures	187
X-rays	140

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Alan Zimmerman, MD.

**Gender**
Male	128
Female	228

**Ethnicity**
Non-Hispanic White	278
Black	27
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	128
85 and over	43
Less than 65	31

Conditions of Medicare patients treated by Dr. Gary Alan Zimmerman, MD in 2021

Hypertension	72
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	25
Depression	29
Chronic Kidney Disease	27
Asthma	12
Osteoperosis	15
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gary Alan Zimmerman, MD treated as a spine surgeon in New Haven, CT during 2022 were spinal procedures, X-rays, MRI (magnetic resonance imaging) and pelvic imaging.

Volume of procedures performed by Dr. Gary Alan Zimmerman, MD for Medicare patients.

decompression surgery	24
doctor visit	695
MRI (magnetic resonance imaging)	82
nerve procedures	24
pelvic imaging	36
spinal procedures	276
X-rays	206

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Alan Zimmerman, MD.

**Gender**
Male	165
Female	249

**Ethnicity**
Non-Hispanic White	328
Black	23
Hispanic	35
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	162
85 and over	46
Less than 65	41

Conditions of Medicare patients treated by Dr. Gary Alan Zimmerman, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	27
Depression	23
Chronic Kidney Disease	17
Asthma	15
Osteoperosis	24
Atrial Fibrilation	16
Heart Failure	15
Chronic Obstructive Pulmonary Disease	16
Diabetes	29
Dementia	5
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gary Alan Zimmerman, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gary Alan Zimmerman, MD treated as a spine surgeon in New Haven, CT were X-rays, spinal procedures, MRI (magnetic resonance imaging) and pelvic imaging.

decompression surgery	18
doctor visit	295
hospital care	16
inpatient care	16
MRI (magnetic resonance imaging)	46
nerve procedures	18
pelvic imaging	26
spinal procedures	66
X-rays	85

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gary Alan Zimmerman, MD.

**Gender**
Female	126
Male	92

**Ethnicity**
Black / African American	14
Asian / Pacific Islander	0
Non-Hispanic White	173
Native American / Alaskan Native	0
Hispanic	17
Other	0

**Age**
85 and over	27
75 to 84	77
Less than 65	27
65 to 74	86

Average of Total of Conditions of Medicare patients treated by Dr. Gary Alan Zimmerman, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gary Alan Zimmerman, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	67
High Cholesterol	59
Stroke	8
Ischemic Heart Disease	31
Depression	26
Chronic Kidney Disease	22
Asthma	10
Osteoporosis	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Atrial Fibrillation	14
Dementia	11
Cancer	12

Education & Training

Dr. Gary Alan Zimmerman, MD graduated from SUNY Downstate Medical Center College of Medicine. He completed residency at Weill Cornell Medical College Affiliated Hospitals. He has a state license in Connecticut.

Medical School: SUNY Downstate Medical Center College of Medicine

Residency: Weill Cornell Medical College Affiliated Hospitals

Licensed In: Connecticut

Affiliations & Hospitals

Dr. Gary Alan Zimmerman, MD is associated with these hospitals and organizations:

Griffin Health

Yale Medicine

Lawrence + Memorial Hospital

Yale New Haven Health

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. Gary Alan Zimmerman, MD appears to accept the following insurance providers: CorVel, Great-West Healthcare, WellCare, MultiPlan, Community Care Network (CCN), United Healthcare, Aetna, TRICARE, Oxford Health Plans, Medicare, Consumer Health Network, Medicaid, Humana, Cigna, Anthem, ConnectiCare, Focus Health Solutions, Prime Health, First Health, Private Healthcare Systems (PHCS), TRICARE - HEALTH NET FEDERAL, COMPWORKS, HEALTHCARE VALUE MANAGEMENT, MANAGED COMP, TRICARE/CHAMPUS, HUSKY and PREFERRED HEALTH WORKS.

Insurance Accepted by Provider includes:

According to our sources, Dr. Gary Alan Zimmerman, MD accepts the following insurance providers:

CorVel

Great-West Healthcare

WellCare

MultiPlan

Community Care Network (CCN)

United Healthcare

Aetna

TRICARE

Oxford Health Plans

Medicare

Consumer Health Network

Medicaid

Humana

Cigna

Anthem

ConnectiCare

Focus Health Solutions

Prime Health

First Health

Private Healthcare Systems (PHCS)

TRICARE - HEALTH NET FEDERAL

COMPWORKS

HEALTHCARE VALUE MANAGEMENT

MANAGED COMP

TRICARE/CHAMPUS

HUSKY

PREFERRED HEALTH WORKS

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General Payments

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

**Payments by Company**
Stryker Corporation	$762 THORACO-LUMBAR $148	Tritanium $141	CERVICAL PLATE $115	SERRATO $109	New Product Development $81	Other $168
Novocure Inc.	$283 Oncology $146	NovoTTF-100A $137
Medtronic Sofamor Danek USA, Inc.	$257 Thoracolumbar - TL Therapies $132	ELEVATE $36	ZEVO $32	Biologics Therapies $29	Enabling Technologies - NIM, NAV, Power $28
Cerapedics, Inc.	$149 I-FACTOR PEPTIDE ENHANCED BONE GRAFT $149
Zimmer Biomet Holdings, Inc.	$130 Mobi C $66	ROI C $53	Mobi-C $12
Other	$1,173 Spinal Implant $97	Senza Spinal Cord Stimulation System $83	Altera $46	VERTEX $44	Spine $44	Other $858

**Types of Payments**
Food and Beverage	$2,755

Biography

Dr. Gary Zimmerman is a specialist in spine surgery and neurosurgery. Areas of expertise for Dr. Zimmerman include cerebrovascular disease, spinal cord injury, and spinal instability. He is professionally affiliated with Yale Medicine, Lawrence + Memorial Hospital, and Griffin Health. Dr. Zimmerman attended SUNY Downstate Medical Center College of Medicine for medical school and subsequently trained at a hospital affiliated with Weill Cornell Medical College for residency. He appears to be an in-network provider for Anthem, ConnectiCare, Blue California, and more. His practice in Trumbull, CT is open to new patients as reported by Lawrence + Memorial Hospital.