Psychiatry and Neurology, Neurology · Jamaica, NY
NPI
1669431110
Since 2006
Specialty
Psychiatry and Neurology, Neurology
Code 2084N0400X
Group practices
2
Medicare group memberships
Hospitals
2
Hospital affiliations
13420 Jamaica Ave
Jamaica, NY, 11418
Phone (718) 206-6742
Groups this clinician bills Medicare through
Medicare paid, 2024
$82K
956 services
Medicare patients, 2024
400
Average age 74
Drug cost, 2024
$1.1M
5,865 prescriptions
Company payments, 2025
$54
From 3 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Thambirajah Nandakumar was code 99232 (hospital e&m - subsequent), 205 times for 117 patients. In total Thambirajah Nandakumar billed 956 services in 35 codes, and Medicare paid $82K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2013-01-18.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99232 Hospital E&M - Subsequent | Facility | 205 | 117 | $65.89 | $14K |
| 99214 Office E&M - Established | Office | 181 | 113 | $96.02 | $17K |
| 95816 Neurologic | Facility | 177 | 160 | $47.42 | $8,393 |
| 95885 Electrical Nerve Conductivity | Office | 66 | 32 | $52.27 | $3,450 |
| 99291 Critical Care E&M | Facility | 38 | 37 | $180.57 | $6,862 |
| 99222 Hospital E&M - Initial | Facility | 38 | 36 | $111.34 | $4,231 |
| 36415 Venipuncture Blood Collection | Office | 30 | 27 | $7.84 | $235 |
| 99223 Hospital E&M - Initial | Facility | 28 | 28 | $147.13 | $4,120 |
| 95911 Electrical Nerve Conductivity | Office | 28 | 27 | $175.48 | $4,913 |
| 95719 Neurologic | Facility | 23 | 20 | $136.49 | $3,139 |
| 99204 Office E&M - New | Office | 20 | 20 | $127.24 | $2,545 |
| 99215 Office E&M - Established | Office | 13 | 13 | $137.85 | $1,792 |
| 99214 Office E&M - Established | Facility | 12 | 11 | $82.66 | $992 |
| 99204 Office E&M - New | Facility | 11 | 11 | $113.60 | $1,250 |
By year: 2022 $144K for 1,391 services; 2023 $119K for 1,333 services; 2024 $82K for 956 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 30 | 27 | $7.84 | $235 |
Medicare prescription drug claims, 2024
In 2024, the drug Thambirajah Nandakumar prescribed most often to Medicare patients was Gabapentin, with 478 prescriptions and refills. In total Thambirajah Nandakumar wrote 5,865 Medicare prescriptions that cost $1.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Gabapentin Generic | 478 | 873 | 146 | $4,158 |
| Donepezil Hcl Generic | 428 | 898 | 123 | $3,515 |
| Memantine Hcl Generic | 371 | 812 | 104 | $8,074 |
| Pregabalin Generic | 346 | 354 | 68 | $11K |
| Meloxicam Generic | 345 | 364 | 103 | $927 |
| Amitriptyline Hcl Generic | 243 | 349 | 67 | $1,264 |
| Duloxetine Hcl Generic | 178 | 288 | 47 | $3,576 |
| Trazodone Hcl Generic | 150 | 279 | 40 | $991 |
| Tramadol Hcl Generic | 144 | 144 | 30 | $408 |
| Lamotrigine Generic | 143 | 207 | 31 | $2,154 |
| Carbidopa-Levodopa-Entacapone Carbidopa/Levodopa/Entacapone | 137 | 267 | 36 | $30K |
| Cyclobenzaprine Hcl Generic | 135 | 247 | 56 | $962 |
| Primidone Generic | 132 | 234 | 28 | $1,363 |
| Mirtazapine Generic | 131 | 232 | 33 | $1,343 |
| Levetiracetam Generic | 128 | 287 | 39 | $3,341 |
Brand drugs: 418 claims; generic drugs: 5,429 claims; opioid claims: 219.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Thambirajah Nandakumar $54 ($54 in general payments such as food, travel and fees) from 3 companies. The largest payer was Pfizer Inc. with $21.22.
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.