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
- 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
- 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
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
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 Green Bay Neurology Physician, average services per provider: 223. This provider delivers 6.7× the peer median.Open Payments
Industry payments received
All-time total
$118
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alexion Pharmaceuticals, INC. | 1 | $118.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
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
Frequently asked questions
What is Dr. James Napier's medical specialty?
Dr. James Napier practices Neurology Physician in Green Bay, WI.
Where does Dr. James Napier practice?
Dr. James Napier practices at 2845 Greenbrier RD, Green Bay, WI 543088900. Office phone: 9202888100.
What is Dr. James Napier's NPI?
Dr. James Napier's National Provider Identifier (NPI) is 1043327489, issued by NPPES.
Does Dr. James Napier accept Medicare assignment?
Yes. Dr. James Napier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Napier commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.