Psychiatry and Neurology, Neurology · Urbana, IL
NPI
1730335829
Since 2008
Specialty
Psychiatry and Neurology, Neurology
Code 2084N0400X
Group practices
3
Medicare group memberships
Hospitals
2
Hospital affiliations
509 W University Ave
Urbana, IL, 61801
Phone (217) 383-3440
Groups this clinician bills Medicare through
Medicare paid, 2024
$55K
2,027 services
Medicare patients, 2024
253
Average age 74
Drug cost, 2024
$4.1M
4,716 prescriptions
Company payments, 2025
$538
From 12 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Allison L Hennigan was code 99214 (office e&m - established), 143 times for 117 patients. In total Allison L Hennigan billed 2,027 services in 38 codes, and Medicare paid $55K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-09-11.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Facility | 143 | 117 | $64.35 | $9,202 |
| 99490 Chronic, Principal, and Transitional Care Management | Facility | 115 | 28 | $36.81 | $4,233 |
| 99205 Office E&M - New | Facility | 46 | 46 | $111.57 | $5,132 |
| 99215 Office E&M - Established | Facility | 37 | 34 | $103.30 | $3,822 |
| 99439 Chronic, Principal, and Transitional Care Management | Facility | 35 | 16 | $26.43 | $925 |
| 99214 Office E&M - Established | Office | 34 | 33 | $79.03 | $2,687 |
| 93886 Ultrasound - Nonspecific | Facility | 33 | 33 | $33.58 | $1,108 |
| 93880 Duplex Scan - Extracranial Arteries | Facility | 22 | 22 | $28.60 | $629 |
| 95816 Neurologic | Facility | 22 | 19 | $32.76 | $721 |
| 93890 Ultrasound - Nonspecific | Facility | 21 | 21 | $38.29 | $804 |
| 99483 Office/Outpatient Services | Facility | 20 | 20 | $114.86 | $2,297 |
| 99233 Hospital E&M - Subsequent | Facility | 19 | 11 | $85.58 | $1,626 |
| 96136 Behavioral Health Services | Facility | 17 | 17 | $17.80 | $303 |
| 95819 Neurologic | Facility | 16 | 12 | $39.74 | $636 |
| 99223 Hospital E&M - Initial | Facility | 12 | 12 | $130.86 | $1,570 |
By year: 2022 $65K for 1,377 services; 2023 $61K for 943 services; 2024 $55K for 2,027 services.
Medicare prescription drug claims, 2024
In 2024, the drug Allison L Hennigan prescribed most often to Medicare patients was Memantine Hcl, with 437 prescriptions and refills. In total Allison L Hennigan wrote 4,716 Medicare prescriptions that cost $4.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Memantine Hcl Generic | 437 | 885 | 134 | $13K |
| Gabapentin Generic | 280 | 531 | 60 | $4,918 |
| Donepezil Hcl Generic | 181 | 417 | 65 | $1,939 |
| Duloxetine Hcl Generic | 155 | 265 | 37 | $2,548 |
| Lamotrigine Generic | 152 | 307 | 37 | $4,060 |
| Sertraline Hcl Generic | 137 | 266 | 37 | $1,307 |
| Ropinirole Hcl Generic | 126 | 207 | 29 | $2,326 |
| Pregabalin Generic | 112 | 165 | 31 | $2,485 |
| Trazodone Hcl Generic | 109 | 211 | 27 | $731 |
| Levetiracetam Generic | 100 | 166 | 20 | $2,249 |
| Carbidopa-Levodopa Carbidopa/Levodopa | 94 | 183 | 27 | $2,403 |
| Quetiapine Fumarate Generic | 93 | 119 | 24 | $1,374 |
| Clonazepam Generic | 90 | 125 | 16 | $990 |
| Tizanidine Hcl Generic | 89 | 135 | 22 | $1,332 |
| Desvenlafaxine Succinate Er Desvenlafaxine Succinate | 76 | 130 | 21 | $5,563 |
Brand drugs: 676 claims; generic drugs: 4,040 claims; opioid claims: 56.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Allison L Hennigan $538 ($538 in general payments such as food, travel and fees) from 12 companies. The largest payer was Eisai Inc. with $146.
| Company | Payments | Amount |
|---|---|---|
| Eisai Inc. 4523.T | 3 | $146 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 2 | $55.78 |
| Teva Pharmaceuticals USA, Inc. TEVA | 2 | $43.98 |
| Lilly USA, LLC LLY | 2 | $42.54 |
| Impel Pharmaceuticals LLC | 2 | $42.34 |
| Biogen, Inc. BIIB | 2 | $41.58 |
| Novartis Pharmaceuticals Corporation NVS | 2 | $40.64 |
| EMD Serono, Inc. MRK.DE | 1 | $30.75 |
| Abbvie Inc. ABBV | 1 | $29.73 |
| Genentech USA, Inc. ROG.SW | 1 | $24.33 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.