Psychiatry · Santa Monica, CA
NPI
1578767232
Since 2007
Specialty
Psychiatry
Code 2084P0800X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
701 Santa Monica Blvd, Suite 230
Santa Monica, CA, 90401
Phone (310) 993-4103
Groups this clinician bills Medicare through
Medicare paid, 2024
$732K
15,410 services
Medicare patients, 2024
1,287
Average age 67
Drug cost, 2024
$970K
8,430 prescriptions
Company payments, 2025
$32.1
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Gadson J Johnson Jr. was code 99231 (hospital e&m - subsequent), 9,510 times for 1,168 patients. In total Gadson J Johnson Jr. billed 15,410 services in 15 codes, and Medicare paid $732K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2012-03-01.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99231 Hospital E&M - Subsequent | Facility | 9,510 | 1,168 | $36.69 | $349K |
| 90833 Psychotherapy - Nongroup | Facility | 3,224 | 511 | $47.39 | $153K |
| 99232 Hospital E&M - Subsequent | Facility | 1,054 | 359 | $58.78 | $62K |
| 90792 Psychotherapy - Nongroup | Facility | 851 | 671 | $125.48 | $107K |
| 99238 Hospital Discharge Management | Facility | 374 | 324 | $61.51 | $23K |
| 99222 Hospital E&M - Initial | Facility | 233 | 208 | $96.93 | $23K |
| 99223 Hospital E&M - Initial | Facility | 71 | 71 | $128.75 | $9,141 |
| 99233 Hospital E&M - Subsequent | Facility | 57 | 38 | $87.28 | $4,975 |
By year: 2022 $548K for 11,425 services; 2023 $752K for 13,962 services; 2024 $732K for 15,410 services.
Medicare prescription drug claims, 2024
In 2024, the drug Gadson J Johnson Jr. prescribed most often to Medicare patients was Divalproex Sodium, with 1,134 prescriptions and refills. In total Gadson J Johnson Jr. wrote 8,430 Medicare prescriptions that cost $970K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Divalproex Sodium Generic | 1,134 | 1,150 | 172 | $61K |
| Quetiapine Fumarate Generic | 970 | 981 | 142 | $36K |
| Risperidone Generic | 747 | 758 | 134 | $17K |
| Olanzapine Generic | 595 | 602 | 108 | $25K |
| Olanzapine Odt Olanzapine | 478 | 493 | 89 | $69K |
| Mirtazapine Generic | 328 | 332 | 63 | $10K |
| Sertraline Hcl Generic | 298 | 303 | 63 | $3,716 |
| Risperidone Odt Risperidone | 287 | 293 | 27 | $62K |
| Benztropine Mesylate Generic | 284 | 286 | 49 | $4,999 |
| Trazodone Hcl Generic | 269 | 271 | 72 | $4,078 |
| Escitalopram Oxalate Generic | 234 | 237 | 52 | $3,881 |
| Haloperidol Generic | 195 | 196 | 31 | $9,283 |
| Lorazepam Generic | 174 | 174 | 37 | $1,774 |
| Buspirone Hcl Generic | 156 | 158 | 32 | $2,966 |
| Clozapine Generic | 151 | 152 | 23 | $10K |
Brand drugs: 237 claims; generic drugs: 8,193 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Gadson J Johnson Jr. $32.1 ($32.1 in general payments such as food, travel and fees) from 1 company. The largest payer was Janssen Pharmaceuticals, Inc with $32.1.
| Company | Payments | Amount |
|---|---|---|
| Janssen Pharmaceuticals, Inc JNJ | 1 | $32.1 |
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.