Psychiatry and Neurology, Neurology · Saint Louis, MO
NPI
1134248891
Since 2007
Specialty
Psychiatry and Neurology, Neurology
Code 2084N0400X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
1600 S Brentwood Blvd, Div Neurology Sleep Med, Ste 600
Saint Louis, MO, 63144
Phone (314) 362-1408
Groups this clinician bills Medicare through
Medicare paid, 2024
$232K
35,934 services
Medicare patients, 2024
266
Average age 69
Drug cost, 2024
$861K
1,456 prescriptions
Company payments, 2025
$184
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Rachel S Darken was code J0585 (injection, onabotulinumtoxina, 1 unit), 35,200 times for 52 patients. In total Rachel S Darken billed 35,934 services in 21 codes, and Medicare paid $232K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-04-17.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J0585 Injection, onabotulinumtoxina, 1 unit | Office | 35,200 | 52 | $4.84 | $170K |
| 64615 Musculoskeletal | Office | 177 | 52 | $105.46 | $19K |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 112 | 98 | $12.62 | $1,414 |
| 99215 Office E&M - Established | Office | 77 | 70 | $111.67 | $8,599 |
| 99214 Office E&M - Established | Office | 48 | 41 | $84.75 | $4,068 |
| G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Office | 47 | 25 | $22.73 | $1,068 |
| 99222 Hospital E&M - Initial | Facility | 36 | 36 | $98.62 | $3,550 |
| 99213 Office E&M - Established | Office | 25 | 22 | $63.96 | $1,599 |
| 95811 Sleep Study | Office | 21 | 20 | $470.42 | $9,879 |
| 95810 Sleep Study | Office | 17 | 17 | $456.71 | $7,764 |
| 99204 Office E&M - New | Office | 15 | 15 | $118.22 | $1,773 |
By year: 2022 $226K for 35,112 services; 2023 $225K for 34,573 services; 2024 $232K for 35,934 services.
Medicare prescription drug claims, 2024
In 2024, the drug Rachel S Darken prescribed most often to Medicare patients was Rizatriptan (Rizatriptan Benzoate), with 112 prescriptions and refills. In total Rachel S Darken wrote 1,456 Medicare prescriptions that cost $861K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Rizatriptan Rizatriptan Benzoate | 112 | 114 | 22 | $1,423 |
| Pregabalin Generic | 87 | 127 | 16 | $3,310 |
| Gabapentin Generic | 84 | 172 | 23 | $1,430 |
| Sumatriptan Succinate Generic | 70 | 86 | 13 | $7,071 |
| Emgality Pen Galcanezumab-Gnlm | 69 | 80 | 15 | $63K |
| Ubrelvy Ubrogepant | 68 | 69 | 16 | $74K |
| Nurtec Odt Rimegepant Sulfate | 61 | 65 | 13 | $71K |
| Aimovig Autoinjector Erenumab-Aooe | 55 | 71 | 15 | $52K |
| Venlafaxine Hcl Er Venlafaxine Hcl | 53 | 114 | Under 11 | $3,253 |
| Topiramate Generic | 52 | 104 | 11 | $513 |
| Methadone Hcl Generic | 42 | 42 | Under 11 | $627 |
| Amitriptyline Hcl Generic | 37 | 83 | Under 11 | $591 |
| Ajovy Autoinjector Fremanezumab-Vfrm | 35 | 46 | Under 11 | $33K |
| Dextroamphetamine-Amphetamine Dextroamphetamine/Amphetamine | 34 | 34 | Under 11 | $877 |
| Clonazepam Generic | 29 | 45 | Under 11 | $269 |
Brand drugs: 397 claims; generic drugs: 1,045 claims; opioid claims: 54.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Rachel S Darken $184 ($184 in general payments such as food, travel and fees) from 1 company. The largest payer was Lundbeck LLC with $184.
| Company | Payments | Amount |
|---|---|---|
| Lundbeck LLC | 3 | $184 |
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.