Psychiatry and Neurology, Neurology · Derby, CT
NPI
1235164427
Since 2006
Specialty
Psychiatry and Neurology, Neurology
Code 2084N0400X
Group practices
1
Medicare group memberships
Hospitals
6
Hospital affiliations
350 Seymour Ave # 1c
Derby, CT, 06418
Phone (203) 732-1290
Groups this clinician bills Medicare through
Medicare paid, 2024
$33K
403 services
Medicare patients, 2024
181
Average age 64
Drug cost, 2024
$5.2M
7,739 prescriptions
Company payments, 2025
$54.26
From 2 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Joseph B Guarnaccia was code 99214 (office e&m - established), 226 times for 119 patients. In total Joseph B Guarnaccia billed 403 services in 9 codes, and Medicare paid $33K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-07-15.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 226 | 119 | $92.53 | $21K |
| 99214 Office E&M - Established | Facility | 75 | 44 | $68.57 | $5,142 |
| 99213 Office E&M - Established | Office | 44 | 34 | $67.35 | $2,964 |
| 99212 Office E&M - Established | Office | 14 | 13 | $43.58 | $610 |
| 99213 Office E&M - Established | Facility | 12 | 11 | $45.93 | $551 |
By year: 2022 $38K for 498 services; 2023 $34K for 448 services; 2024 $33K for 403 services.
Medicare prescription drug claims, 2024
In 2024, the drug Joseph B Guarnaccia prescribed most often to Medicare patients was Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine), with 584 prescriptions and refills. In total Joseph B Guarnaccia wrote 7,739 Medicare prescriptions that cost $5.2M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Dextroamphetamine-Amphetamine Dextroamphetamine/Amphetamine | 584 | 596 | 106 | $17K |
| Gabapentin Generic | 490 | 851 | 120 | $9,530 |
| Baclofen Generic | 425 | 843 | 106 | $11K |
| Tizanidine Hcl Generic | 375 | 746 | 96 | $9,209 |
| Prednisone Generic | 361 | 414 | 132 | $1,372 |
| Pyridostigmine Bromide Generic | 361 | 612 | 111 | $23K |
| Hydroxychloroquine Sulfate Generic | 319 | 442 | 69 | $5,684 |
| Dalfampridine Er Dalfampridine | 260 | 320 | 44 | $78K |
| Trazodone Hcl Generic | 200 | 353 | 46 | $1,191 |
| Kesimpta Pen Ofatumumab | 194 | 207 | 28 | $1.9M |
| Modafinil Generic | 159 | 181 | 31 | $8,946 |
| Methylprednisolone Sodium Succ Methylprednisolone Sod Succ | 158 | 164 | 21 | $9,222 |
| Pregabalin Generic | 140 | 164 | 32 | $3,295 |
| Donepezil Hcl Generic | 134 | 302 | 41 | $2,014 |
| Duloxetine Hcl Generic | 115 | 177 | 20 | $2,276 |
Brand drugs: 793 claims; generic drugs: 6,933 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Joseph B Guarnaccia $54.26 ($54.26 in general payments such as food, travel and fees) from 2 companies. The largest payer was EMD Serono, Inc. with $37.42.
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.