Psychiatry and Neurology, Neurology · Fairfield, CA
NPI
1245473131
Since 2009
Specialty
Psychiatry and Neurology, Neurology
Code 2084N0400X
Group practices
10
Medicare group memberships
Hospitals
2
Hospital affiliations
1860 Pennsylvania Ave, Suite 210
Fairfield, CA, 94533
Phone (707) 646-4380
Groups this clinician bills Medicare through
Medicare paid, 2024
$512K
48,749 services
Medicare patients, 2024
1,256
Average age 75
Drug cost, 2024
$821K
4,322 prescriptions
Company payments, 2025
$800
From 6 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Ameer Almullahassani was code J0585 (injection, onabotulinumtoxina, 1 unit), 45,800 times for 70 patients. In total Ameer Almullahassani billed 48,749 services in 48 codes, and Medicare paid $512K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-02-26.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J0585 Injection, onabotulinumtoxina, 1 unit | Office | 45,800 | 70 | $4.98 | $228K |
| 99214 Office E&M - Established | Office | 812 | 537 | $102.46 | $83K |
| 99232 Hospital E&M - Subsequent | Facility | 432 | 251 | $64.93 | $28K |
| 99223 Hospital E&M - Initial | Facility | 247 | 225 | $138.39 | $34K |
| 99233 Hospital E&M - Subsequent | Facility | 238 | 149 | $97.40 | $23K |
| 99222 Hospital E&M - Initial | Facility | 146 | 133 | $108.24 | $16K |
| 99204 Office E&M - New | Office | 136 | 136 | $128.19 | $17K |
| 95886 Electrical Nerve Conductivity | Office | 131 | 88 | $81.97 | $11K |
| 64615 Musculoskeletal | Office | 119 | 42 | $126.15 | $15K |
| 95812 Neurologic | Facility | 107 | 98 | $47.78 | $5,112 |
| 95910 Electrical Nerve Conductivity | Office | 53 | 53 | $154.51 | $8,189 |
| 95885 Electrical Nerve Conductivity | Office | 46 | 43 | $61.25 | $2,817 |
| 95909 Electrical Nerve Conductivity | Office | 42 | 42 | $121.77 | $5,115 |
| 64616 Musculoskeletal | Office | 36 | 15 | $122.29 | $4,402 |
| 95911 Electrical Nerve Conductivity | Office | 33 | 33 | $190.21 | $6,277 |
By year: 2022 $518K for 39,103 services; 2023 $514K for 43,098 services; 2024 $512K for 48,749 services.
Medicare prescription drug claims, 2024
In 2024, the drug Ameer Almullahassani prescribed most often to Medicare patients was Donepezil Hcl, with 478 prescriptions and refills. In total Ameer Almullahassani wrote 4,322 Medicare prescriptions that cost $821K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Donepezil Hcl Generic | 478 | 1,183 | 155 | $4,897 |
| Gabapentin Generic | 416 | 940 | 123 | $9,630 |
| Doxepin Hcl Generic | 348 | 815 | 96 | $14K |
| Memantine Hcl Generic | 297 | 666 | 78 | $15K |
| Levetiracetam Generic | 234 | 485 | 48 | $13K |
| Topiramate Generic | 227 | 541 | 58 | $3,397 |
| Quetiapine Fumarate Generic | 174 | 429 | 58 | $4,615 |
| Pregabalin Generic | 174 | 387 | 68 | $13K |
| Carbidopa-Levodopa Carbidopa/Levodopa | 169 | 357 | 44 | $5,985 |
| Primidone Generic | 158 | 289 | 31 | $3,090 |
| Duloxetine Hcl Generic | 124 | 301 | 39 | $9,133 |
| Atorvastatin Calcium Generic | 97 | 273 | 39 | $1,166 |
| Propranolol Hcl Generic | 95 | 242 | 28 | $2,158 |
| Divalproex Sodium Generic | 90 | 150 | 18 | $4,724 |
| Lacosamide Generic | 90 | 153 | 17 | $30K |
Brand drugs: 348 claims; generic drugs: 3,956 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Ameer Almullahassani $800 ($800 in general payments such as food, travel and fees) from 6 companies. The largest payer was Abbvie Inc. with $527.
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.