Psychiatry and Neurology, Neurology · Detroit, MI
NPI
1851466593
Since 2006
Specialty
Psychiatry and Neurology, Neurology
Code 2084N0400X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
2799 W Grand Blvd
Detroit, MI, 48202
Phone (313) 916-2600
Groups this clinician bills Medicare through
Medicare paid, 2024
$16K
313 services
Medicare patients, 2024
110
Average age 63
Drug cost, 2024
$3.5M
6,618 prescriptions
Company payments, 2025
$0
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Gregory L Barkley was code 99215 (office e&m - established), 65 times for 42 patients. In total Gregory L Barkley billed 313 services in 18 codes, and Medicare paid $16K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2007-07-08.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99215 Office E&M - Established | Facility | 65 | 42 | $100.70 | $6,546 |
| 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 | Facility | 63 | 30 | $22.35 | $1,408 |
| 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 | Facility | 56 | 39 | $12.40 | $694 |
| 95819 Neurologic | Facility | 20 | 20 | $44.36 | $887 |
| 95816 Neurologic | Facility | 18 | 18 | $41.93 | $755 |
| 99215 Office E&M - Established | Office | 14 | 12 | $125.56 | $1,758 |
By year: 2022 $13K for 183 services; 2023 $18K for 269 services; 2024 $16K for 313 services.
Medicare prescription drug claims, 2024
In 2024, the drug Gregory L Barkley prescribed most often to Medicare patients was Lamotrigine, with 706 prescriptions and refills. In total Gregory L Barkley wrote 6,618 Medicare prescriptions that cost $3.5M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Lamotrigine Generic | 706 | 1,124 | 123 | $16K |
| Clonazepam Generic | 563 | 618 | 80 | $4,335 |
| Epidiolex Cannabidiol (Cbd) | 486 | 538 | 65 | $2.5M |
| Levetiracetam Generic | 328 | 672 | 74 | $13K |
| Lacosamide Generic | 254 | 360 | 38 | $27K |
| Lorazepam Generic | 248 | 262 | 54 | $2,413 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 191 | 191 | 21 | $3,696 |
| Topiramate Generic | 169 | 319 | 30 | $2,674 |
| Gabapentin Generic | 143 | 206 | 26 | $2,407 |
| Zonisamide Generic | 139 | 292 | 30 | $7,768 |
| Carbamazepine Er Carbamazepine | 135 | 289 | 31 | $22K |
| Quetiapine Fumarate Generic | 124 | 182 | 14 | $1,254 |
| Clobazam Generic | 118 | 140 | 20 | $9,345 |
| Diazepam Generic | 118 | 122 | 15 | $465 |
| Losartan Potassium Generic | 112 | 207 | 27 | $636 |
Brand drugs: 1,034 claims; generic drugs: 5,499 claims; opioid claims: 420.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Gregory L Barkley $0 (- in general payments such as food, travel and fees) from 1 company.
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.