Psychiatry and Neurology, Neurology · Saint Louis, MO
NPI
1801002779
Since 2007
Specialty
Psychiatry and Neurology, Neurology
Code 2084N0400X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
4921 Parkview Pl, Div Neurology Neuromuscular, Ste 6c
Saint Louis, MO, 63110
Phone (314) 362-6981
Groups this clinician bills Medicare through
Medicare paid, 2024
$19K
263 services
Medicare patients, 2024
136
Average age 66
Drug cost, 2024
$4.2M
624 prescriptions
Company payments, 2025
$7,276
From 6 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Arun S Varadhachary was code 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), 55 times for 46 patients. In total Arun S Varadhachary billed 263 services in 18 codes, and Medicare paid $19K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-04-17.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|---|---|---|---|---|
| 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 | 55 | 46 | $11.47 | $631 |
| 99214 Office E&M - Established | Office | 33 | 32 | $77.45 | $2,556 |
| 99215 Office E&M - Established | Office | 33 | 28 | $113.06 | $3,731 |
| 99213 Office E&M - Established | Office | 27 | 26 | $60.63 | $1,637 |
| 99232 Hospital E&M - Subsequent | Facility | 24 | 14 | $59.15 | $1,419 |
| 99205 Office E&M - New | Office | 23 | 23 | $153.47 | $3,530 |
| 99222 Hospital E&M - Initial | Facility | 12 | 12 | $95.15 | $1,142 |
By year: 2022 $27K for 365 services; 2023 $22K for 272 services; 2024 $19K for 263 services.
Medicare prescription drug claims, 2024
In 2024, the drug Arun S Varadhachary prescribed most often to Medicare patients was Evrysdi (Risdiplam), with 86 prescriptions and refills. In total Arun S Varadhachary wrote 624 Medicare prescriptions that cost $4.2M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Evrysdi Risdiplam | 86 | 86 | Under 11 | $2.3M |
| Gammagard Liquid Immun Glob G(Igg)/Gly/Iga Ov50 | 73 | 73 | Under 11 | $616K |
| Gammaplex Immun Glob G(Igg)/Gly/Iga 0-50 | 49 | 49 | Under 11 | $796K |
| Octagam Immun Globg(Igg)/Malt/Iga Ov50 | 42 | 46 | Under 11 | $368K |
| Prednisone Generic | 40 | 76 | Under 11 | $214 |
| Duloxetine Hcl Generic | 28 | 56 | Under 11 | $381 |
| Carbidopa-Levodopa Carbidopa/Levodopa | 27 | 57 | Under 11 | $308 |
| Sodium Chloride 0.9 % Sodium Chloride | 20 | 20 | Under 11 | $101 |
| Fluoxetine Hcl Generic | 19 | 24 | Under 11 | $253 |
| Gabapentin Generic | 17 | 44 | Under 11 | $681 |
| Pyridostigmine Bromide Generic | 16 | 18 | Under 11 | $716 |
| Pregabalin Generic | 15 | 23 | Under 11 | $334 |
| Lorazepam Generic | 13 | 13 | Under 11 | $24.86 |
| Methotrexate Methotrexate Sodium | 12 | 34 | Under 11 | $278 |
| Privigen Immun Glob G(Igg)/Pro/Iga 0-50 | 12 | 12 | Under 11 | $61K |
Brand drugs: - claims; generic drugs: 326 claims; opioid claims: 14.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Arun S Varadhachary $7,276 ($7,276 in general payments such as food, travel and fees) from 6 companies. The largest payer was Argenx US, Inc. with $4,806.
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.