Nurse Practitioner, Psychiatric/Mental Health · Orange, CA
NPI
1922727353
Since 2022
Specialty
Nurse Practitioner, Psychiatric/Mental Health
Code 363LP0808X
Group practices
3
Medicare group memberships
Hospitals
1
Hospital affiliations
1010 W Chapman Ave
Orange, CA, 92868
Phone (562) 274-3318
Groups this clinician bills Medicare through
Medicare paid, 2024
$135K
2,323 services
Medicare patients, 2024
378
Average age 67
Drug cost, 2024
$345K
2,143 prescriptions
Company payments, 2025
$1,290
From 10 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Daniel I Chang was code 99232 (hospital e&m - subsequent), 1,386 times for 155 patients. In total Daniel I Chang billed 2,323 services in 9 codes, and Medicare paid $135K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-09-03.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99232 Hospital E&M - Subsequent | Facility | 1,386 | 155 | $55.12 | $76K |
| 99308 SNF E&M | Facility | 591 | 182 | $53.31 | $32K |
| 99348 Home E&M - New and Established | Office | 166 | 22 | $53.86 | $8,941 |
| 99223 Hospital E&M - Initial | Facility | 59 | 50 | $121.03 | $7,141 |
| 99306 SNF E&M | Facility | 57 | 56 | $128.77 | $7,340 |
| 99238 Hospital Discharge Management | Facility | 54 | 46 | $57.41 | $3,100 |
By year: 2022 $2,379 for 20 services; 2023 $105K for 1,757 services; 2024 $135K for 2,323 services.
Medicare prescription drug claims, 2024
In 2024, the drug Daniel I Chang prescribed most often to Medicare patients was Olanzapine Odt (Olanzapine), with 225 prescriptions and refills. In total Daniel I Chang wrote 2,143 Medicare prescriptions that cost $345K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Olanzapine Odt Olanzapine | 225 | 232 | 17 | $32K |
| Risperidone Generic | 148 | 151 | 26 | $2,356 |
| Divalproex Sodium Er Divalproex Sodium | 104 | 107 | 14 | $7,953 |
| Benztropine Mesylate Generic | 99 | 101 | 16 | $1,428 |
| Buspirone Hcl Generic | 92 | 99 | 18 | $908 |
| Desvenlafaxine Succinate Er Desvenlafaxine Succinate | 85 | 87 | Under 11 | $5,533 |
| Aripiprazole Generic | 85 | 87 | 22 | $6,169 |
| Quetiapine Fumarate Generic | 78 | 94 | 18 | $1,327 |
| Lamotrigine Generic | 75 | 77 | Under 11 | $489 |
| Clozapine Generic | 71 | 73 | Under 11 | $6,845 |
| Aripiprazole Odt Aripiprazole | 64 | 66 | Under 11 | $76K |
| Gabapentin Generic | 59 | 61 | 17 | $714 |
| Haloperidol Generic | 56 | 58 | Under 11 | $2,149 |
| Divalproex Sodium Generic | 54 | 56 | Under 11 | $1,262 |
| Clonazepam Generic | 52 | 53 | Under 11 | $391 |
Brand drugs: 81 claims; generic drugs: 2,062 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Daniel I Chang $1,290 ($1,290 in general payments such as food, travel and fees) from 10 companies. The largest payer was ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) with $230.
| Company | Payments | Amount |
|---|---|---|
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) JNJ | 6 | $230 |
| Janssen Pharmaceuticals, Inc JNJ | 8 | $180 |
| Teva Pharmaceuticals USA, Inc. TEVA | 3 | $148 |
| Alkermes, Inc. ALKS | 2 | $140 |
| Vanda Pharmaceuticals Inc. VNDA | 2 | $139 |
| E.R. Squibb & Sons, L.L.C. BMY | 5 | $133 |
| Axsome Therapeutics, Inc. AXSM | 1 | $124 |
| Abbvie Inc. ABBV | 4 | $92.58 |
| Alpha Cognition USA, Inc. ACOG | 1 | $77.82 |
| Lundbeck LLC | 1 | $25.57 |
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.