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Edit this profileAt a glance
- 2845 Greenbrier Rd, #140, Green Bay, WI 54308
About Dr. Napier
James L. Napier, MD practices neurology in Green Bay, WI. James is a 1978 graduate of University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb). James is also listed as specializing in internal medicine. Medicare claims data shows James provided 1,365 services to 866 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1043327489.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (920) 288-8100
- Email not available
Practice Locations
2845 GREENBRIER RD #140
Green Bay, WI 54308
Conditions Commonly Evaluated or Treated
Within Neurology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Brain & memory
Specialized neurologic care
Spine, brain injury, and functional
Most searched conditions
Headache and facial pain
Memory and cognition
Movement disorders
Neuromuscular and peripheral nerve
- Amyotrophic lateral sclerosis
- Carpal tunnel
- Diabetic neuropathy
- Guillain-Barré syndrome
- Muscular dystrophy
- Myasthenia gravis
Seizures and epilepsy
Stroke and vascular
Brain & Spine
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
Sleep & Movement
Spine and nerve
Procedures & services
Consultation and testing
- Comprehensive neurologic examination
- Inpatient video EEG monitoring
- Ambulatory EEG
- Evoked-potential testing
- Nerve-conduction studies
Device and advanced subspecialty
Diagnostic Testing
- Cognitive and memory screening
- Genetic Testing for Neurological Disorders
- Neuromuscular Ultrasound
- Neuropsychological Testing
- Normal Pressure Hydrocephalus Tap Test
- Tilt Table Test
Geriatric care
Office procedures
- Botulinum toxin injections for chronic migraine
- Botulinum toxin injections for dystonia or spasticity
- Lumbar puncture
- Occipital nerve block
Pain & wellness
Treatment management
- Epilepsy medication management
- Migraine preventive treatment
- Multiple sclerosis disease-modifying treatment
Most searched procedures
Consultations & Exams
Consultations and exams
Device management
Infusion and medical therapies
Infusions & Therapies
- IVIG Infusion Therapy
- Migraine Preventive Injections and Infusions
- MS Disease-Modifying Infusion Therapy
- Plasmapheresis
Injections & Pain Relief
- Botox Injections for Excessive Drooling
- Botox Injections for Muscle Spasms and Dystonia
- Trigger Point Injections
Medication Management
Neuromodulation
Trauma & Injury
Procedures Most Often Billed to Medicare
1,365 services · 866 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face | Procedure | 64615 |
29 | Less often than most peers in Neurology |
| Needle measurement of electrical activity in arm or leg muscles, complete study | Treatment | 95886 |
35 | Less often than most peers in Neurology |
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
32 | As often as other peers in Neurology |
| Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle | Treatment | 95874 |
31 | Less often than most peers in Neurology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
437 | More than most peers in Neurology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
281 | More often than most peers in Neurology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
137 | More often than most peers in Neurology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
106 | More often than most peers in Neurology |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
90 | More often than most peers in Neurology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
65 | More often than most peers in Neurology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other neurologists in Green Bay 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Other providers in the same specialty who trained at the same institution.
Class of 1978 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 8
Providers in WI who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Napier?
Dr. Napier is a neurologist in Green Bay, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
What is Dr. Napier's address?
Dr. Napier is listed at 2845 Greenbrier Rd #140, Green Bay, WI 54308. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Napier?
The number on file is (920) 288-8100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Napier?
Dr. Napier's National Provider Identifier is 1043327489. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Napier train?
Dr. Napier attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Napier have?
Dr. Napier has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Napier perform?
According to Medicare billing data, Dr. Napier performs procedures including injection of chemical for paralysis of facial and neck nerve muscles on both sides of face; provides treatments such as needle measurement of electrical activity in arm or leg muscles, complete study and measurement of brain wave activity , awake and drowsy, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Napier's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Napier. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.