Psychiatry and Neurology, Neurology · Hampton, VA
NPI
1093879157
Since 2006
Specialty
Psychiatry and Neurology, Neurology
Code 2084N0400X
Group practices
2
Medicare group memberships
Hospitals
5
Hospital affiliations
4000 Coliseum Dr, Suite 200
Hampton, VA, 23666
Phone (757) 736-8050
Groups this clinician bills Medicare through
Medicare paid, 2024
$180K
1,837 services
Medicare patients, 2024
655
Average age 77
Drug cost, 2024
$373K
3,172 prescriptions
Company payments, 2025
$438
From 9 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Maria Guina-Byrne was code 99214 (office e&m - established), 803 times for 427 patients. In total Maria Guina-Byrne billed 1,837 services in 34 codes, and Medicare paid $180K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2019-06-11.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 803 | 427 | $87.17 | $70K |
| 99204 Office E&M - New | Office | 165 | 165 | $121.70 | $20K |
| 95885 Electrical Nerve Conductivity | Office | 159 | 83 | $46.08 | $7,326 |
| 99213 Office E&M - Established | Office | 111 | 92 | $62.45 | $6,933 |
| 99215 Office E&M - Established | Office | 107 | 90 | $130.34 | $14K |
| 95819 Neurologic | Office | 101 | 101 | $340.43 | $34K |
| 36415 Venipuncture Blood Collection | Office | 83 | 73 | $8.65 | $718 |
| 95910 Electrical Nerve Conductivity | Office | 54 | 54 | $127.46 | $6,883 |
| 82607 Clinical Chemistry | Office | 50 | 49 | $14.78 | $739 |
| 95911 Electrical Nerve Conductivity | Office | 41 | 41 | $148.84 | $6,102 |
| 99205 Office E&M - New | Office | 35 | 35 | $149.22 | $5,223 |
| 95886 Electrical Nerve Conductivity | Office | 30 | 26 | $73.27 | $2,198 |
| 84443 Clinical Chemistry | Office | 20 | 19 | $16.46 | $329 |
| 83036 Blood Count | Office | 13 | 13 | $9.52 | $124 |
| 95819 Neurologic | Facility | 13 | 13 | $39.68 | $516 |
By year: 2022 $169K for 5,324 services; 2023 $166K for 2,154 services; 2024 $180K for 1,837 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 83 | 73 | $8.65 | $718 |
| 82607 Clinical Chemistry | 50 | 49 | $14.78 | $739 |
| 84443 Clinical Chemistry | 20 | 19 | $16.46 | $329 |
| 83036 Blood Count | 13 | 13 | $9.52 | $124 |
Medicare prescription drug claims, 2024
In 2024, the drug Maria Guina-Byrne prescribed most often to Medicare patients was Memantine Hcl, with 434 prescriptions and refills. In total Maria Guina-Byrne wrote 3,172 Medicare prescriptions that cost $373K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Memantine Hcl Generic | 434 | 844 | 107 | $11K |
| Donepezil Hcl Generic | 412 | 839 | 110 | $3,417 |
| Gabapentin Generic | 406 | 877 | 112 | $5,657 |
| Duloxetine Hcl Generic | 127 | 320 | 37 | $4,326 |
| Carbidopa-Levodopa Carbidopa/Levodopa | 108 | 271 | 33 | $3,112 |
| Lamotrigine Generic | 98 | 221 | 25 | $1,303 |
| Pregabalin Generic | 92 | 176 | 17 | $3,948 |
| Levetiracetam Generic | 77 | 183 | 25 | $2,311 |
| Quetiapine Fumarate Generic | 65 | 121 | 20 | $997 |
| Propranolol Hcl Generic | 65 | 139 | 22 | $1,858 |
| Nortriptyline Hcl Generic | 57 | 100 | 17 | $1,547 |
| Lacosamide Generic | 51 | 81 | Under 11 | $8,048 |
| Amitriptyline Hcl Generic | 49 | 87 | 12 | $633 |
| Amantadine Amantadine Hcl | 44 | 80 | 15 | $2,641 |
| Rivastigmine Rivastigmine Tartrate | 42 | 75 | Under 11 | $1,736 |
Brand drugs: - claims; generic drugs: 2,980 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Maria Guina-Byrne $438 ($438 in general payments such as food, travel and fees) from 9 companies. The largest payer was Teva Pharmaceuticals USA, Inc. with $111.
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.