DR. JAMES L NAPIER JR MD
NPI 1043327489
Psychiatry & Neurology - Neurology in Green Bay, WI

Q: What is James Napier's NPI number?

The NPI number for James Napier is 1043327489. It was assigned to this individual provider in the NPPES registry on August 23, 2006. The provider is also known as James Lewis Napier.

Q: What is James Napier's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for James Napier was last updated on October 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 23, 2006PECOS EnrolledAccepts Medicare Assignment

2845 GREENBRIER RD, #140, GREEN BAY, WI 54308(920) 288-8100(920) 288-8152 Get Directions Write a Review

NPPES record last updated: October 9, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 9, 2023, Mar 7, 2023, Nov 22, 2021 and 1 more (4 updates tracked since 2018).

On this page

About Dr. James L Napier Jr Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES L NAPIER JR MD (NPI 1043327489) is an individual neurology provider in Green Bay, Wisconsin, licensed in Wisconsin (44857) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Aurora Medical Ctr Manitowoc County, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1978).

NPPES Registry Identity

NPI1043327489

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameDR. JAMES L NAPIER JRCredential: MD

Location Address2845 GREENBRIER RD, #140Green Bay, WI 54308-8900

Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (920) 288-4700 · Fax (414) 671-8860

Phone(920) 288-8100

Fax(920) 288-8152

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1978

Enumeration DateAugust 23, 2006

Last NPPES UpdateOctober 9, 20234 updates tracked since enumeration

NPPES CertifiedOctober 9, 2023

✔ NPI 1043327489 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in WI · 44857

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Also ListedInternal MedicineTaxonomy 207R00000X · License 44857 (WI)

2845 GREENBRIER RD, Green Bay, WI 54308

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Other Names 1

Doing Business As (3)James Lewis Napier

Other Identifiers 1

Medicaid34239300WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. James L Napier Jr Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2264413624

PECOS Enrollment IDI20040601000476

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

437 services242 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

137 services91 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

106 services56 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

90 services42 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

65 services63 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

46 services46 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

38 services20 patients

Needle measurement of electrical activity in arm or leg muscles, complete study 95886

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.

35 services23 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

32 services28 patients

Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle 95874

This procedure involves a needle that measures the electrical activity in your muscles. A chemical is then injected to temporarily paralyze the nerve muscle. This helps in diagnosing and treating certain muscle or nerve conditions.

31 services11 patients

Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 64615

This procedure involves injecting a chemical into specific facial and neck muscles, causing temporary paralysis. This helps reduce muscle activity and can alleviate certain medical conditions. Both sides of the face are treated for a balanced result.

29 services13 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

15 services14 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

12 services12 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Aurora Medical Ctr Manitowoc County

Acute Care Hospitals · Two Rivers, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number520034

Location5000 Memorial DriveTwo Rivers, WI 54241 · Manitowoc County

Emergency services Birthing friendly

Bellin Memorial Hospital

Acute Care Hospitals · Green Bay, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520049

Location744 S Webster AveGreen Bay, WI 54305 · Brown County

Emergency services Birthing friendly

St Vincent Hospital

Acute Care Hospitals · Green Bay, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number520075

Location835 S Van Buren StGreen Bay, WI 54301 · Brown County

Emergency services Birthing friendly

Bay Area Medical Center

Acute Care Hospitals · Marinette, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520113

Location3003 University DrMarinette, WI 54143 · Marinette County

Emergency services Birthing friendly

Aurora Baycare Medical Ctr

Acute Care Hospitals · Green Bay, WI

5/5 CMS rating

OwnershipProprietary

CMS Certification Number520193

Location2845 Greenbrier RdGreen Bay, WI 54311 · Brown County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54308 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. PETER B MICHON CRNA

Nurse Anesthetist, Certified Registered

2845 GREENBRIER RD
GREEN BAY, WI 54308

Brown County (920) 288-3388

DR. MICHAEL J BROCKMAN MD

Obstetrics & Gynecology

2845 GREENBRIER RD, #420
GREEN BAY, WI 54308

Brown County (920) 288-8400

DR. JOHN CORNELIUS GALLAGHER MD

Obstetrics & Gynecology

2845 GREENBRIER RD, #480
GREEN BAY, WI 54308

Brown County (920) 288-8400

DR. PETER V GAPINSKI MD

Surgery

2845 GREENBRIER RD, #120
GREEN BAY, WI 54308

Brown County (920) 288-8100

DR. LEAH A NITKE DO

Internal Medicine

2845 GREENBRIER RD, #130
GREEN BAY, WI 54308

Brown County (920) 288-8100

DR. JOHN ERIC STEVENSON MD

Internal Medicine

2845 GREENBRIER RD, #130
GREEN BAY, WI 54308

Brown County (920) 288-8100

DR. JOHN W UTRIE DO

Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)

2845 GREENBRIER RD, #450
GREEN BAY, WI 54308

Brown County (920) 288-8510

DR. DONALD R SIPES MD

Obstetrics & Gynecology

2845 GREENBRIER RD, #430
GREEN BAY, WI 54308

Brown County (920) 288-8400

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Napier's NPI number?

The NPI number for James Napier is 1043327489. It was assigned to this individual provider in the NPPES registry on August 23, 2006. The provider is also known as James Lewis Napier.

Where is James Napier located?

James Napier practices at 2845 Greenbrier Rd #140, Green Bay, WI 54308. The listed phone number is (920) 288-8100.

What is James Napier's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is James Napier enrolled in Medicare?

Yes. James Napier is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does James Napier accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Quartz and 1 other insurer list James Napier as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is James Napier affiliated with any hospitals?

According to CMS data, James Napier is affiliated with Aurora Medical Ctr Manitowoc County, Bellin Memorial Hospital, St Vincent Hospital, Bay Area Medical Center and Aurora Baycare Medical Ctr.

When was this NPI record last updated?

The NPPES record for James Napier was last updated on October 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.