Doctor profile · Federal record

Dr. JAMES NAPIER, MD

Neurology Physician (CMS: NEUROLOGY) · Internal Medicine Physician · GREEN BAY, WI

  • NPI 1043327489
  • Accepts Medicare
  • 48 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2845 GREENBRIER RD, #140
GREEN BAY, WI 543088900
(920) 288-8100
fax (920) 288-8152
Mailing address
PO BOX 735044
CHICAGO, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 9, 2023
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Wisconsin #44857
Medicaid
WI #34239300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043327489. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,483
Distinct HCPCS
10
Medicare allowed
$116,644
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 480 253 $92
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 242 94 $46
99213 Established patient office or other outpatient visit, 20-29 minutes 209 160 $63
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 125 73 $74
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 120 116 $123
99204 New patient office or other outpatient visit, 45-59 minutes 77 77 $127
64615 Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 42 18 $108
95816 Measurement of brain wave activity (eeg), awake and drowsy 36 29 $51
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 36 22 $44
99214 Established patient office or other outpatient visit, 30-39 minutes 34 16 $28

In context: peer comparison

Among 4 peers in this city , average services per provider: 223. This provider delivers 6.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$118
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alexion Pharmaceuticals, Inc. 1 $118.06

By nature of payment

Food and Beverage
$118

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,978
Patients
629
Total drug cost
$1,047,783
Drug Type Claims Patients Total cost
Levetiracetam Generic 518 107 $14,918
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 321 75 $21,436
Gabapentin Generic 268 67 $7,048
Clopidogrel (Clopidogrel Bisulfate) Brand 228 51 $3,203
Donepezil Hcl Generic 227 54 $5,659
Rasagiline Mesylate Generic 185 28 $58,460
Baclofen Generic 180 50 $6,228
Duloxetine Hcl Generic 174 42 $5,048
Lamotrigine Generic 160 29 $4,532
Nuplazid (Pimavanserin Tartrate) Brand 136 19 $641,336

Hospital affiliations

CMS Hospital Compare