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Home > WI Providers > Neurologists

Dr. James L. Napier JR, MD

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Specializes in: Neurology (Brain & Spinal Cord Disease)

University of Illinois College of Medicine

2845 Greenbrier Road Suite 140
Green Bay, WI 54311

(920) 288-8000

Dr. James L. Napier JR, MD is a neurologist in Green Bay, WI specializing in neurology (brain & spinal cord disease). He graduated from University of Illinois College of Medicine. Dr. James L. Napier JR, MD is affiliated with Advocate Health Care and BAYCARE AURORA LLC.

Office Locations

2845 Greenbrier Road #140
Green Bay, WI 54308

(920) 288-8100

(920) 288-8152

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Advocate Health Care

2845 Greenbrier Road Suite 140
Green Bay, WI 54311

(920) 288-8000

(920) 288-8153

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Noteworthy Medicare Patient Procedures Performed by Dr. James L. Napier JR, MD in 2023

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

Top 5%

By Volume:

inpatient hospital care

In 2023, Dr. James L. Napier JR, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within Wisconsin.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. James L. Napier JR, MD treated as a neurologist in Green Bay, WI during 2012 were diagnostic procedures, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. James L. Napier JR, MD for Medicare patients.

blood draw	206
diagnostic procedures	713
doctor visit	1486
electroencephalography (EEG)	73
hospital care	342
injections	12
inpatient care	342
lab tests	64
nerve block	12
pain management	12

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. James L. Napier JR, MD treated as a neurologist in Green Bay, WI during 2013 were hospital care, inpatient care, blood draw and diagnostic procedures.

Volume of procedures performed by Dr. James L. Napier JR, MD for Medicare patients.

blood draw	219
diagnostic procedures	82
doctor visit	1415
electroencephalography (EEG)	47
hospital care	232
inpatient care	232
lab tests	52

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. James L. Napier JR, MD.

**Gender**
Male	353
Female	465

**Ethnicity**
Non-Hispanic White	773
Black	0
Hispanic	17
Asian	0
Other	0
Native American	12

**Age**
From 65 to 74	267
From 75 to 84	219
85 and over	90
Less than 65	242

Conditions of Medicare patients treated by Dr. James L. Napier JR, MD in 2013

Hypertension	64
High Cholesterol	52
Stroke	19
Ischemic Heart Disease	29
Depression	35
Chronic Kidney Disease	25
Asthma	8
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	19
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. James L. Napier JR, MD treated as a neurologist in Green Bay, WI during 2014 were blood draw, hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. James L. Napier JR, MD for Medicare patients.

blood draw	239
diagnostic procedures	55
doctor visit	1309
electroencephalography (EEG)	65
hospital care	213
inpatient care	213
lab tests	75

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. James L. Napier JR, MD.

**Gender**
Male	311
Female	365

**Ethnicity**
Non-Hispanic White	630
Black	0
Hispanic	11
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	231
From 75 to 84	162
85 and over	78
Less than 65	205

Conditions of Medicare patients treated by Dr. James L. Napier JR, MD in 2014

Hypertension	65
High Cholesterol	54
Stroke	20
Ischemic Heart Disease	31
Depression	37
Chronic Kidney Disease	28
Asthma	9
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	16
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. James L. Napier JR, MD treated as a neurologist in Green Bay, WI during 2015 were blood draw, hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. James L. Napier JR, MD for Medicare patients.

blood draw	231
diagnostic procedures	75
doctor visit	1424
electroencephalography (EEG)	78
hospital care	230
inpatient care	230
lab tests	69

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. James L. Napier JR, MD.

**Gender**
Male	718
Female	862

**Ethnicity**
Non-Hispanic White	1470
Black	0
Hispanic	24
Asian	0
Other	30
Native American	30

**Age**
From 65 to 74	526
From 75 to 84	448
85 and over	148
Less than 65	458

Conditions of Medicare patients treated by Dr. James L. Napier JR, MD in 2015

Hypertension	66
High Cholesterol	58
Stroke	22
Ischemic Heart Disease	30
Depression	38
Chronic Kidney Disease	31
Asthma	17
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	17
Diabetes	30
Dementia	18
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. James L. Napier JR, MD treated as a neurologist in Green Bay, WI during 2016 were blood draw, hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. James L. Napier JR, MD for Medicare patients.

blood draw	274
diagnostic procedures	53
doctor visit	1272
electroencephalography (EEG)	56
hospital care	201
inpatient care	184
lab tests	65
outpatient care	17

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. James L. Napier JR, MD.

**Gender**
Male	345
Female	380

**Ethnicity**
Non-Hispanic White	676
Black	0
Hispanic	14
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	238
From 75 to 84	200
85 and over	72
Less than 65	215

Conditions of Medicare patients treated by Dr. James L. Napier JR, MD in 2016

Hypertension	66
High Cholesterol	58
Stroke	20
Ischemic Heart Disease	29
Depression	36
Chronic Kidney Disease	32
Asthma	19
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	20
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. James L. Napier JR, MD treated as a neurologist in Green Bay, WI during 2017 were hospital care, inpatient care, electroencephalography (EEG) and diagnostic procedures.

Volume of procedures performed by Dr. James L. Napier JR, MD for Medicare patients.

diagnostic procedures	26
doctor visit	1056
electroencephalography (EEG)	41
hospital care	315
inpatient care	315

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. James L. Napier JR, MD.

**Gender**
Male	298
Female	283

**Ethnicity**
Non-Hispanic White	539
Black	0
Hispanic	0
Asian	0
Other	0
Native American	14

**Age**
From 65 to 74	216
From 75 to 84	161
85 and over	59
Less than 65	145

Conditions of Medicare patients treated by Dr. James L. Napier JR, MD in 2017

Hypertension	69
High Cholesterol	54
Stroke	23
Ischemic Heart Disease	34
Depression	38
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	17
Diabetes	30
Dementia	18
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. James L. Napier JR, MD treated as a neurologist in Green Bay, WI during 2018 were hospital care, inpatient care, electroencephalography (EEG) and diagnostic procedures.

Volume of procedures performed by Dr. James L. Napier JR, MD for Medicare patients.

diagnostic procedures	37
doctor visit	995
electroencephalography (EEG)	57
hospital care	296
inpatient care	296

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. James L. Napier JR, MD.

**Gender**
Male	288
Female	286

**Ethnicity**
Non-Hispanic White	541
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	244
From 75 to 84	151
85 and over	58
Less than 65	121

Conditions of Medicare patients treated by Dr. James L. Napier JR, MD in 2018

Hypertension	68
High Cholesterol	63
Stroke	26
Ischemic Heart Disease	36
Depression	36
Chronic Kidney Disease	37
Asthma	9
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	17
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	19
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. James L. Napier JR, MD treated as a neurologist in Green Bay, WI during 2019 were hospital care, inpatient care, electroencephalography (EEG) and diagnostic procedures.

Volume of procedures performed by Dr. James L. Napier JR, MD for Medicare patients.

diagnostic procedures	13
doctor visit	1025
electroencephalography (EEG)	46
hospital care	322
inpatient care	322

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. James L. Napier JR, MD.

**Gender**
Male	290
Female	279

**Ethnicity**
Non-Hispanic White	520
Black	0
Hispanic	11
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	233
From 75 to 84	145
85 and over	67
Less than 65	124

Conditions of Medicare patients treated by Dr. James L. Napier JR, MD in 2019

Hypertension	71
High Cholesterol	67
Stroke	19
Ischemic Heart Disease	34
Depression	0
Chronic Kidney Disease	37
Asthma	7
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	14
Diabetes	0
Dementia	23
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. James L. Napier JR, MD treated as a neurologist in Green Bay, WI during 2020 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. James L. Napier JR, MD for Medicare patients.

doctor visit	850
electroencephalography (EEG)	48
hospital care	301
inpatient care	301

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. James L. Napier JR, MD.

**Gender**
Male	262
Female	264

**Ethnicity**
Non-Hispanic White	485
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	217
From 75 to 84	136
85 and over	58
Less than 65	115

Conditions of Medicare patients treated by Dr. James L. Napier JR, MD in 2020

Hypertension	70
High Cholesterol	63
Stroke	21
Ischemic Heart Disease	39
Depression	39
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	23
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. James L. Napier JR, MD treated as a neurologist in Green Bay, WI during 2021 were hospital care, inpatient care, electroencephalography (EEG) and diagnostic procedures.

Volume of procedures performed by Dr. James L. Napier JR, MD for Medicare patients.

diagnostic procedures	13
doctor visit	851
electroencephalography (EEG)	41
hospital care	338
inpatient care	338

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. James L. Napier JR, MD.

**Gender**
Male	265
Female	281

**Ethnicity**
Non-Hispanic White	500
Black	0
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	251
From 75 to 84	150
85 and over	61
Less than 65	84

Conditions of Medicare patients treated by Dr. James L. Napier JR, MD in 2021

Hypertension	70
High Cholesterol	68
Stroke	26
Ischemic Heart Disease	37
Depression	44
Chronic Kidney Disease	45
Asthma	8
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	23
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. James L. Napier JR, MD treated as a neurologist in Green Bay, WI during 2022 were hospital care, inpatient care, electroencephalography (EEG) and minimally invasive procedures.

Volume of procedures performed by Dr. James L. Napier JR, MD for Medicare patients.

diagnostic procedures	16
doctor visit	944
electroencephalography (EEG)	54
hospital care	302
injections	40
inpatient care	302
minimally invasive procedures	40

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. James L. Napier JR, MD.

**Gender**
Male	284
Female	276

**Ethnicity**
Non-Hispanic White	514
Black	0
Hispanic	0
Asian	0
Other	21
Native American	11

**Age**
From 65 to 74	249
From 75 to 84	160
85 and over	59
Less than 65	92

Conditions of Medicare patients treated by Dr. James L. Napier JR, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	34
Ischemic Heart Disease	28
Depression	38
Chronic Kidney Disease	36
Asthma	12
Osteoperosis	12
Atrial Fibrilation	21
Heart Failure	20
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Dementia	18
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. James L. Napier JR, MD for Medicare patients.

The highest averages for the top procedures that Dr. James L. Napier JR, MD treated as a neurologist in Green Bay, WI were hospital care, inpatient care, blood draw and diagnostic procedures.

blood draw	233
diagnostic procedures	108
doctor visit	1147
electroencephalography (EEG)	55
hospital care	281
injections	26
inpatient care	279
lab tests	65
minimally invasive procedures	40
nerve block	12
outpatient care	17
pain management	12

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. James L. Napier JR, MD.

**Gender**
Male	310
Female	340

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	1
Non-Hispanic White	604
Native American / Alaskan Native	6
Hispanic	7
Other	10

**Age**
75 to 84	175
85 and over	68
Less than 65	163
65 to 74	242

Average of Total of Conditions of Medicare patients treated by Dr. James L. Napier JR, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. James L. Napier JR, MD treated were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	62
High Cholesterol	55
Stroke	20
Ischemic Heart Disease	29
Depression	31
Chronic Kidney Disease	31
Asthma	9
Osteoporosis	8
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Atrial Fibrillation	12
Dementia	17
Cancer	10

Education & Training

Dr. James L. Napier JR, MD graduated from University of Illinois College of Medicine. He completed residency at Yale-New Haven Hospital. He is certified by the American Board of Internal Medicine American Board of Psychiatry & Neurology and has a state license in Wisconsin.

Medical School: University of Illinois College of Medicine

Residency: Yale-New Haven Hospital

Board Certification: American Board of Internal Medicine American Board of Psychiatry & Neurology

Licensed In: Wisconsin

Affiliations & Hospitals

Dr. James L. Napier JR, MD is associated with these hospitals and organizations:

Advocate Health Care

BAYCARE AURORA LLC

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. James L. Napier JR, MD appears to accept the following insurance providers: HFN, Aetna Medicare, HealthPartners, Blue Cross Blue Shield of Illinois, United Healthcare Medicare, Private Healthcare Systems (PHCS), Prime Health, Three Rivers, Aetna, United Healthcare, Medicare, Network Health, Medicaid, Humana, Cigna, Molina Healthcare, TRICARE, Coventry, Anthem, HealthSmart, Cofinity, Everpointe Network, Independent Care (iCARE) Medicare, FirstHealth, Fond du Lac Area Businesses On Health (FABOH), Managed Health Services (MHS) Medicare, Quartz Medicare, Health Management Network (HMN), Quartz, Common Ground Healthcare, AAH UMR Select - Team Member Plan, Wisconsin Physicians Service (WPS), HealthPartners Medicare, Community Care Inc (CCI), HealthEOS, Arise Health Plan, Health Tradition, Trilogy, Health Payment Systems (HPS), BayCare Clinic Employee Plan, Provider Network of America (PNOA) and AAH UMR Preferred - Team Member Plan.

Insurance Accepted by Provider includes:

According to our sources, Dr. James L. Napier JR, MD accepts the following insurance providers:

HFN

Aetna Medicare

HealthPartners

Blue Cross Blue Shield of Illinois

United Healthcare Medicare

Private Healthcare Systems (PHCS)

Prime Health

Three Rivers

Aetna

United Healthcare

Medicare

Network Health

Medicaid

Humana

Cigna

Molina Healthcare

TRICARE

Coventry

Anthem

HealthSmart

Cofinity

Everpointe Network

Independent Care (iCARE) Medicare

FirstHealth

Fond du Lac Area Businesses On Health (FABOH)

Managed Health Services (MHS) Medicare

Quartz Medicare

Health Management Network (HMN)

Quartz

Common Ground Healthcare

AAH UMR Select - Team Member Plan

Wisconsin Physicians Service (WPS)

HealthPartners Medicare

Community Care Inc (CCI)

HealthEOS

Arise Health Plan

Health Tradition

Trilogy

Health Payment Systems (HPS)

BayCare Clinic Employee Plan

Provider Network of America (PNOA)

AAH UMR Preferred - Team Member Plan

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General Payments

These charts describe general payments received by Dr. James L. Napier JR, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
SANOFI-AVENTIS U.S. LLC	$20,750 LEMTRADA $20,750
Teva Pharmaceuticals USA, Inc.	$4,811 COPAXONE $4,806	AZILECT $5
Novartis Pharmaceuticals Corporation	$1,762 ARZERRA $1,037	KESIMPTA $182	Gilenya $147	$396
Biogen Idec Inc.	$1,637 AVONEX $1,600	TECFIDERA $37
Genentech USA, Inc.	$125 OCREVUS $125
Other	$640 LEMTRADA $125	POTIGA $100	TECFIDERA $92	ACTHAR $67	Cambia $41	Other $215

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$22,475
Honoraria	$4,500
Food and Beverage	$1,376
Travel and Lodging	$1,098
Education	$175
Other	$100

Research Payments

Dr. James L. Napier JR, MD has received 264 research payments totaling $1,158,026.

Biography

Dr. James Napier is a Green Bay, WI physician who specializes in neurology (brain & spinal cord disease). Dr. Napier can take Anthem, Cofinity, Blue California, and more. He obtained his medical school training at the University of Illinois College of Medicine and performed his residency at Yale-New Haven Hospital. He is conversant in Spanish. Dr. Napier's professional affiliations include Aurora BayCare Medical Center and Advocate Health Care.