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Home > CA Providers > Neurologists

Dr. Max Barnett Duncan, DO

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Specializes in: Neurology (Brain & Spinal Cord Disease)

3883 Airway Drive Suite 201
Santa Rosa, CA 95403

(707) 521-7755

Dr. Max Barnett Duncan, DO is a neurologist in Santa Rosa, CA specializing in neurology (brain & spinal cord disease).

Office Locations

3883 Airway Drive Suite 201
Santa Rosa, CA 95403

(707) 521-7755

(707) 523-1309

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Noteworthy Medicare Patient Procedures Performed by Dr. Max Barnett Duncan, DO in 2023

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

Top 10%

By Volume:

botulinum toxin injection for migraine

In 2023, Dr. Max Barnett Duncan, DO performed more botulinum toxin injection for migraine procedures for Medicare patients than 90% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Max Barnett Duncan, DO treated as a neurologist in Santa Rosa, CA during 2012 were hospital care, inpatient care, diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. Max Barnett Duncan, DO for Medicare patients.

diagnostic procedures	177
doctor visit	583
electroencephalography (EEG)	75
hospital care	214
inpatient care	214

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Max Barnett Duncan, DO treated as a neurologist in Santa Rosa, CA during 2013 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Max Barnett Duncan, DO for Medicare patients.

doctor visit	919
electroencephalography (EEG)	79
hospital care	284
inpatient care	284

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Max Barnett Duncan, DO.

**Gender**
Male	319
Female	460

**Ethnicity**
Non-Hispanic White	712
Black	0
Hispanic	30
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	300
From 75 to 84	217
85 and over	118
Less than 65	144

Conditions of Medicare patients treated by Dr. Max Barnett Duncan, DO in 2013

Hypertension	62
High Cholesterol	53
Stroke	27
Ischemic Heart Disease	36
Depression	36
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	12
Diabetes	25
Dementia	23
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Max Barnett Duncan, DO treated as a neurologist in Santa Rosa, CA during 2014 were hospital care, inpatient care, diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. Max Barnett Duncan, DO for Medicare patients.

diagnostic procedures	53
doctor visit	1004
electroencephalography (EEG)	51
hospital care	141
injections	30
inpatient care	141
minimally invasive procedures	30

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Max Barnett Duncan, DO.

**Gender**
Male	324
Female	395

**Ethnicity**
Non-Hispanic White	654
Black	0
Hispanic	29
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	279
From 75 to 84	217
85 and over	88
Less than 65	135

Conditions of Medicare patients treated by Dr. Max Barnett Duncan, DO in 2014

Hypertension	59
High Cholesterol	52
Stroke	19
Ischemic Heart Disease	35
Depression	36
Chronic Kidney Disease	20
Asthma	8
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	22
Dementia	25
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Max Barnett Duncan, DO treated as a neurologist in Santa Rosa, CA during 2015 were hospital care, inpatient care, minimally invasive procedures and injections.

Volume of procedures performed by Dr. Max Barnett Duncan, DO for Medicare patients.

diagnostic procedures	25
doctor visit	1048
electroencephalography (EEG)	26
hospital care	64
injections	45
inpatient care	64
minimally invasive procedures	45

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Max Barnett Duncan, DO.

**Gender**
Male	622
Female	890

**Ethnicity**
Non-Hispanic White	1376
Black	0
Hispanic	70
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	550
From 75 to 84	494
85 and over	194
Less than 65	274

Conditions of Medicare patients treated by Dr. Max Barnett Duncan, DO in 2015

Hypertension	56
High Cholesterol	49
Stroke	15
Ischemic Heart Disease	30
Depression	34
Chronic Kidney Disease	17
Asthma	9
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	22
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Max Barnett Duncan, DO treated as a neurologist in Santa Rosa, CA during 2016 were minimally invasive procedures, injections and electroencephalography (EEG).

Volume of procedures performed by Dr. Max Barnett Duncan, DO for Medicare patients.

doctor visit	1217
electroencephalography (EEG)	19
injections	63
minimally invasive procedures	63

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Max Barnett Duncan, DO.

**Gender**
Male	329
Female	444

**Ethnicity**
Non-Hispanic White	703
Black	0
Hispanic	27
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	306
From 75 to 84	256
85 and over	96
Less than 65	115

Conditions of Medicare patients treated by Dr. Max Barnett Duncan, DO in 2016

Hypertension	56
High Cholesterol	50
Stroke	10
Ischemic Heart Disease	28
Depression	35
Chronic Kidney Disease	19
Asthma	13
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	19
Dementia	27
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Max Barnett Duncan, DO treated as a neurologist in Santa Rosa, CA during 2017 were minimally invasive procedures, injections and electroencephalography (EEG).

Volume of procedures performed by Dr. Max Barnett Duncan, DO for Medicare patients.

doctor visit	1302
electroencephalography (EEG)	34
injections	107
minimally invasive procedures	107

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Max Barnett Duncan, DO.

**Gender**
Male	395
Female	471

**Ethnicity**
Non-Hispanic White	773
Black	14
Hispanic	43
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	339
From 75 to 84	285
85 and over	123
Less than 65	119

Conditions of Medicare patients treated by Dr. Max Barnett Duncan, DO in 2017

Hypertension	55
High Cholesterol	45
Stroke	13
Ischemic Heart Disease	31
Depression	35
Chronic Kidney Disease	22
Asthma	9
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	19
Dementia	24
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Max Barnett Duncan, DO treated as a neurologist in Santa Rosa, CA during 2018 were minimally invasive procedures, injections and electroencephalography (EEG).

Volume of procedures performed by Dr. Max Barnett Duncan, DO for Medicare patients.

doctor visit	1500
electroencephalography (EEG)	26
injections	130
minimally invasive procedures	130

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Max Barnett Duncan, DO.

**Gender**
Male	401
Female	564

**Ethnicity**
Non-Hispanic White	877
Black	11
Hispanic	42
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	379
From 75 to 84	335
85 and over	121
Less than 65	130

Conditions of Medicare patients treated by Dr. Max Barnett Duncan, DO in 2018

Hypertension	55
High Cholesterol	52
Stroke	9
Ischemic Heart Disease	28
Depression	38
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	18
Dementia	22
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Max Barnett Duncan, DO treated as a neurologist in Santa Rosa, CA during 2019 were injections, minimally invasive procedures, nerve block and pain management.

Volume of procedures performed by Dr. Max Barnett Duncan, DO for Medicare patients.

doctor visit	1654
electroencephalography (EEG)	23
injections	178
minimally invasive procedures	147
nerve block	31
pain management	31

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Max Barnett Duncan, DO.

**Gender**
Male	496
Female	617

**Ethnicity**
Non-Hispanic White	1000
Black	11
Hispanic	62
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	436
From 75 to 84	379
85 and over	148
Less than 65	150

Conditions of Medicare patients treated by Dr. Max Barnett Duncan, DO in 2019

Hypertension	56
High Cholesterol	53
Stroke	10
Ischemic Heart Disease	30
Depression	36
Chronic Kidney Disease	24
Asthma	7
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	9
Diabetes	19
Dementia	24
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Max Barnett Duncan, DO treated as a neurologist in Santa Rosa, CA during 2020 were minimally invasive procedures, injections and electroencephalography (EEG).

Volume of procedures performed by Dr. Max Barnett Duncan, DO for Medicare patients.

doctor visit	1515
electroencephalography (EEG)	20
injections	140
minimally invasive procedures	140

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Max Barnett Duncan, DO.

**Gender**
Male	482
Female	630

**Ethnicity**
Non-Hispanic White	996
Black	12
Hispanic	58
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	453
From 75 to 84	384
85 and over	123
Less than 65	152

Conditions of Medicare patients treated by Dr. Max Barnett Duncan, DO in 2020

Hypertension	55
High Cholesterol	49
Stroke	8
Ischemic Heart Disease	31
Depression	36
Chronic Kidney Disease	25
Asthma	8
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	23
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Max Barnett Duncan, DO treated as a neurologist in Santa Rosa, CA during 2021 were minimally invasive procedures, injections and electroencephalography (EEG).

Volume of procedures performed by Dr. Max Barnett Duncan, DO for Medicare patients.

doctor visit	1326
electroencephalography (EEG)	17
injections	157
minimally invasive procedures	157

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Max Barnett Duncan, DO.

**Gender**
Male	449
Female	573

**Ethnicity**
Non-Hispanic White	905
Black	0
Hispanic	64
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	384
From 75 to 84	412
85 and over	121
Less than 65	105

Conditions of Medicare patients treated by Dr. Max Barnett Duncan, DO in 2021

Hypertension	57
High Cholesterol	53
Stroke	9
Ischemic Heart Disease	30
Depression	36
Chronic Kidney Disease	24
Asthma	7
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	20
Dementia	26
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Max Barnett Duncan, DO treated as a neurologist in Santa Rosa, CA during 2022 were injections, minimally invasive procedures, nerve block and pain management.

Volume of procedures performed by Dr. Max Barnett Duncan, DO for Medicare patients.

doctor visit	1250
electroencephalography (EEG)	17
injections	213
minimally invasive procedures	188
nerve block	25
pain management	25

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Max Barnett Duncan, DO.

**Gender**
Male	386
Female	555

**Ethnicity**
Non-Hispanic White	827
Black	0
Hispanic	62
Asian	12
Other	25
Native American	0

**Age**
From 65 to 74	360
From 75 to 84	359
85 and over	128
Less than 65	94

Conditions of Medicare patients treated by Dr. Max Barnett Duncan, DO in 2022

Hypertension	64
High Cholesterol	68
Stroke	14
Ischemic Heart Disease	22
Depression	30
Chronic Kidney Disease	18
Asthma	12
Osteoperosis	14
Atrial Fibrilation	18
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	20
Dementia	22
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Max Barnett Duncan, DO for Medicare patients.

The highest averages for the top procedures that Dr. Max Barnett Duncan, DO treated as a neurologist in Santa Rosa, CA were hospital care, inpatient care, injections and minimally invasive procedures.

diagnostic procedures	85
doctor visit	1210
electroencephalography (EEG)	35
hospital care	175
injections	118
inpatient care	175
minimally invasive procedures	111
nerve block	28
pain management	28

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Max Barnett Duncan, DO.

**Gender**
Male	382
Female	509

**Ethnicity**
Black / African American	4
Asian / Pacific Islander	2
Non-Hispanic White	802
Native American / Alaskan Native	0
Hispanic	44
Other	17

**Age**
75 to 84	303
85 and over	114
Less than 65	128
65 to 74	344

Average of Total of Conditions of Medicare patients treated by Dr. Max Barnett Duncan, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Max Barnett Duncan, DO treated were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	52
High Cholesterol	47
Stroke	12
Ischemic Heart Disease	27
Depression	32
Chronic Kidney Disease	19
Asthma	7
Osteoporosis	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	18
Atrial Fibrillation	11
Dementia	21
Cancer	9

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Max Barnett Duncan, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Novartis Pharmaceuticals Corporation	$120 EXELON PATCH $68	Gilenya $52
Allergan Inc.	$109 BOTOX $97	BOTOX CHRONIC MIGRAINE $12
Biogen Idec Inc.	$104 AVONEX $71	TECFIDERA $33
Questcor Pharmaceuticals	$78 ACTHAR $78
UCB, Inc.	$72 Vimpat $49	Neupro $23
Other	$312 LYRICA $45	TROKENDI XR $33	Xeomin $32	AZILECT $28	Gamunex-C $24	Other $150

**Types of Payments**
Food and Beverage	$783
Education	$11

Biography

Dr. Max Duncan is a neurology (brain & spinal cord disease) specialist in Santa Rosa, CA. He graduated from Midwestern University, Chicago College of Osteopathic Medicine.