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Home > NC Providers > Audiologists

Douglas Brett Garrison, AuD

(229 Ratings)

Specializes in: Audiology

Dumc 3805
Durham, NC 27710

(919) 684-1195

Douglas Brett Garrison, AuD is an audiologist in Durham, NC specializing in audiology. Douglas Brett Garrison, AuD is affiliated with Duke Health.

Office Locations

Duke Health

40 Duke Medicine Circle
Durham, NC 27710

(919) 684-2426

(919) 684-8583

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Dumc 3805
Durham, NC 27710

(919) 684-1195

(919) 684-9108

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Douglas Brett Garrison, AuD treated as an audiologist in Durham, NC during 2012 were evoked potential test.

Volume of procedures performed by Douglas Brett Garrison, AuD for Medicare patients.

evoked potential test	70

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Douglas Brett Garrison, AuD treated as an audiologist in Durham, NC during 2013 were evoked potential test.

Volume of procedures performed by Douglas Brett Garrison, AuD for Medicare patients.

evoked potential test	28

2013 Medicare Patient Data

Information about Medicare patients treated by Douglas Brett Garrison, AuD.

**Gender**
Male	60
Female	71

**Ethnicity**
Non-Hispanic White	108
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	42
85 and over	11
Less than 65	16

Conditions of Medicare patients treated by Douglas Brett Garrison, AuD in 2013

Hypertension	64
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	35
Depression	23
Chronic Kidney Disease	12
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Patient Data

Information about Medicare patients treated by Douglas Brett Garrison, AuD.

**Gender**
Male	31
Female	60

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

**Age**
From 65 to 74	48
From 75 to 84	24
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Douglas Brett Garrison, AuD in 2014

Hypertension	63
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	27
Depression	25
Chronic Kidney Disease	14
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Patient Data

Information about Medicare patients treated by Douglas Brett Garrison, AuD.

**Gender**
Male	90
Female	160

**Ethnicity**
Non-Hispanic White	216
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	74
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Douglas Brett Garrison, AuD in 2015

Hypertension	65
High Cholesterol	53
Stroke	10
Ischemic Heart Disease	30
Depression	33
Chronic Kidney Disease	18
Asthma	10
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Patient Data

Information about Medicare patients treated by Douglas Brett Garrison, AuD.

**Gender**
Male	53
Female	101

**Ethnicity**
Non-Hispanic White	117
Black	25
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	32
85 and over	14
Less than 65	19

Conditions of Medicare patients treated by Douglas Brett Garrison, AuD in 2016

Hypertension	66
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	27
Depression	25
Chronic Kidney Disease	27
Asthma	20
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Patient Data

Information about Medicare patients treated by Douglas Brett Garrison, AuD.

**Gender**
Male	56
Female	87

**Ethnicity**
Non-Hispanic White	119
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	39
85 and over	14
Less than 65	13

Conditions of Medicare patients treated by Douglas Brett Garrison, AuD in 2017

Hypertension	62
High Cholesterol	47
Stroke	10
Ischemic Heart Disease	27
Depression	22
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	27
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Patient Data

Information about Medicare patients treated by Douglas Brett Garrison, AuD.

**Gender**
Male	41
Female	73

**Ethnicity**
Non-Hispanic White	94
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	38
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Douglas Brett Garrison, AuD in 2018

Hypertension	68
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	30
Depression	28
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	0
Diabetes	28
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

2019 Medicare Patient Data

Information about Medicare patients treated by Douglas Brett Garrison, AuD.

**Gender**
Male	42
Female	71

**Ethnicity**
Non-Hispanic White	92
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	35
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Douglas Brett Garrison, AuD in 2019

Hypertension	64
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	34
Depression	33
Chronic Kidney Disease	27
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	10
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Information about Medicare patients treated by Douglas Brett Garrison, AuD.

**Gender**
Male	40
Female	43

**Ethnicity**
Non-Hispanic White	70
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	23
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Douglas Brett Garrison, AuD in 2020

Hypertension	61
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	30
Depression	35
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Patient Data

Information about Medicare patients treated by Douglas Brett Garrison, AuD.

**Gender**
Male	41
Female	54

**Ethnicity**
Non-Hispanic White	80
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	30
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Douglas Brett Garrison, AuD in 2021

Hypertension	66
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	28
Depression	32
Chronic Kidney Disease	29
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	33
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Patient Data

Information about Medicare patients treated by Douglas Brett Garrison, AuD.

**Gender**
Male	35
Female	71

**Ethnicity**
Non-Hispanic White	86
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	35
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Douglas Brett Garrison, AuD in 2022

Hypertension	67
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	19
Depression	25
Chronic Kidney Disease	13
Asthma	0
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	21
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Douglas Brett Garrison, AuD for Medicare patients.

The highest averages for the top procedures that Douglas Brett Garrison, AuD treated as an audiologist in Durham, NC were evoked potential test.

evoked potential test	49

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Douglas Brett Garrison, AuD.

**Gender**
Male	44
Female	71

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	0
Non-Hispanic White	95
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	33
85 and over	3
Less than 65	4
65 to 74	61

Average of Total of Conditions of Medicare patients treated by Douglas Brett Garrison, AuD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Douglas Brett Garrison, AuD treated were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	58
High Cholesterol	48
Stroke	1
Ischemic Heart Disease	26
Depression	25
Chronic Kidney Disease	19
Asthma	2
Osteoporosis	2
Heart Failure	7
Chronic Obstructive Pulmonary Disease	6
Diabetes	23
Atrial Fibrillation	4
Dementia	1
Cancer	7

Education & Training

He is certified by the American Board of Audiology, Audiology and has a state license in North Carolina.

Board Certification: American Board of Audiology, Audiology

Licensed In: North Carolina

Affiliations & Hospitals

Douglas Brett Garrison, AuD is associated with these hospitals and organizations:

Duke 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.

Douglas Brett Garrison, AuD appears to accept the following insurance providers: MedCost, Aetna Traditional Choice, Aetna Medicare PPO, BlueCross BlueShield of North Carolina, CIGNA Open Access Plus, WellCare, AmeriHealth, Medicare Part B, Medicare Advantage, AARP, CIGNA Open Access, United Healthcare PPO, United Healthcare POS, United Healthcare HMO, Aetna, Aetna Workers' Compensation, TRICARE Prime, TRICARE Prime Remote, United Healthcare, Aetna Open Choice PPO, Medicare, Medicaid, Humana, Cigna, TRICARE, Harvard Pilgrim Health Care, Aetna Managed Choice POS, Aetna HMO, Gateway Health Alliance, *Duke HomeCare and Hospice does not participate in the plan., Alliance Health (*Beginning January 2026), Duke Employee Plans, Blue Options (123, PPO, HSA), *Duke HomeCare and Hospice and mental health providers do not participate with the plan., Aetna Choice POS, Aetna Choice POS II, Aetna Quality Point of Service (QPOS), Duke Advantage (*Beginning January 2026), Blue Advantage (*Available in select counties only), Aetna Medicare Value Plan (HMO), Duke Basic, Duke Options (*Beginning January 2026), Duke USA (*Beginning January 2026), Experience Health, Ambetter, Aetna Select HMO, Aetna PCP Coordinated POS Plan, Blue Select, Blue Medicare (HMO, PPO)*, Healthy Blue, Vaya Health (*Beginning January 2026), Aetna Limited Benefit Insurance PPO, Trillium (*Beginning January 2026), All Savers Fully Insured, Aetna Health Network Only, Aetna Health Network Option, Blue Value (*Duke Health Lake Norman and Kernodle Clinics only), Carolina Complete Health, First Medicare Direct, Healthgram, All Savers Alternate Funding, Aetna Medicare Assure Plan (HMO D-SNP), Aetna/CVS Health, Aetna Elect Choice HMO, Aetna Open Access Elect Choice, Partners (*Beginning January 2026), Aetna Voluntary Indemnity Group Plan, Duke Select, Aetna Open Access HMO, Open Access Aetna Select, Aetna Open Access Managed Choice, NC State Employees Health Plan, Ambetter of North Carolina and United Medical Resources (UMR).

Insurance Accepted by Provider includes:

According to our sources, Douglas Brett Garrison, AuD accepts the following insurance providers:

MedCost

Aetna Traditional Choice

Aetna Medicare PPO

BlueCross BlueShield of North Carolina

CIGNA Open Access Plus

WellCare

AmeriHealth

Medicare Part B

Medicare Advantage

AARP

CIGNA Open Access

United Healthcare PPO

United Healthcare POS

United Healthcare HMO

Aetna

Aetna Workers' Compensation

TRICARE Prime

TRICARE Prime Remote

United Healthcare

Aetna Open Choice PPO

Medicare

Medicaid

Humana

Cigna

TRICARE

Harvard Pilgrim Health Care

Aetna Managed Choice POS

Aetna HMO

Gateway Health Alliance

*Duke HomeCare and Hospice does not participate in the plan.

Alliance Health (*Beginning January 2026)

Duke Employee Plans

Blue Options (123, PPO, HSA)

*Duke HomeCare and Hospice and mental health providers do not participate with the plan.

Aetna Choice POS, Aetna Choice POS II

Aetna Quality Point of Service (QPOS)

Duke Advantage (*Beginning January 2026)

Blue Advantage (*Available in select counties only)

Aetna Medicare Value Plan (HMO)

Duke Basic

Duke Options (*Beginning January 2026)

Duke USA (*Beginning January 2026)

Experience Health

Ambetter

Aetna Select HMO

Aetna PCP Coordinated POS Plan

Blue Select

Blue Medicare (HMO, PPO)*

Healthy Blue

Vaya Health (*Beginning January 2026)

Aetna Limited Benefit Insurance PPO

Trillium (*Beginning January 2026)

All Savers Fully Insured

Aetna Health Network Only, Aetna Health Network Option

Blue Value (*Duke Health Lake Norman and Kernodle Clinics only)

Carolina Complete Health

First Medicare Direct

Healthgram

All Savers Alternate Funding

Aetna Medicare Assure Plan (HMO D-SNP)

Aetna/CVS Health

Aetna Elect Choice HMO, Aetna Open Access Elect Choice

Partners (*Beginning January 2026)

Aetna Voluntary Indemnity Group Plan

Duke Select

Aetna Open Access HMO, Open Access Aetna Select, Aetna Open Access Managed Choice

NC State Employees Health Plan

Ambetter of North Carolina

United Medical Resources (UMR)

Ratings & Reviews

Douglas Brett Garrison, AuD has an exceptional overall rating with an average of 4.85 out of 5 stars based on 229 ratings. We collect ratings and reviews of Douglas Brett Garrison, AuD from all over the web to help you find the right in Durham, NC.

4.85

Overall Rating

(229 Ratings)

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Biography

Mr. Douglas Garrison's specialty is audiology. Areas of expertise for Mr. Garrison include ear problems. He is affiliated with Duke Health. Mr. Garrison's average patient rating is 5.0 stars (out of 5). He takes Blue California, CIGNA Plans, and TRICARE, in addition to other insurance carriers.