Doctor profile · Federal record
Dr. Marites del Rosario, M.D.
Specialist (CMS: Psychiatry) · Lancaster, CA
- NPI 1205937349
- Accepts Medicare
- 38 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1672 W Avenue J, Ste 110
Lancaster, CA 93534
(661) 726-2826
fax (661) 723-9557 - Mailing address
-
Po Box 6530
Lancaster, CA 935396530
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- June 14, 2016
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- California #A53570
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205937349. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,127
Distinct HCPCS
3
Medicare allowed
$102,903
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 651 | 153 | $98 | |
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 409 | 131 | $73 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 67 | 56 | $139 |
In context: peer comparison
Among 8 peers in Lancaster Specialist, average services per provider: 183. This provider delivers 6.2× the peer median.Open Payments
Industry payments received
All-time total
$781
Transactions
30
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alkermes, INC. | 7 | $287.60 | |
| Abbvie INC. | 13 | $270.56 | |
| Supernus Pharmaceuticals, INC. | 6 | $140.31 | |
| Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) | 3 | $60.89 | |
| Lundbeck LLC | 1 | $21.92 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,103
Patients
639
Total drug cost
$103,386
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Duloxetine Hcl | Generic | 400 | 80 | $23,695 |
| Alprazolam | Generic | 375 | 55 | $3,968 |
| Lorazepam | Generic | 307 | 56 | $2,906 |
| Trazodone Hcl | Generic | 261 | 74 | $6,290 |
| Quetiapine Fumarate | Generic | 248 | 49 | $13,929 |
| Clonazepam | Generic | 221 | 33 | $2,899 |
| Zolpidem Tartrate | Generic | 210 | 28 | $2,426 |
| Escitalopram Oxalate | Generic | 184 | 51 | $5,336 |
| Buspirone Hcl | Generic | 181 | 44 | $5,202 |
| Bupropion Xl (Bupropion Hcl) | Brand | 153 | 39 | $5,077 |
Frequently asked questions
What is Dr. Marites del Rosario's medical specialty?
Dr. Marites del Rosario practices Specialist in Lancaster, CA.
Where does Dr. Marites del Rosario practice?
Dr. Marites del Rosario practices at 1672 W Avenue J, Lancaster, CA 93534. Office phone: 6617262826.
What is Dr. Marites del Rosario's NPI?
Dr. Marites del Rosario's National Provider Identifier (NPI) is 1205937349, issued by NPPES.
Does Dr. Marites del Rosario accept Medicare assignment?
Yes. Dr. Marites del Rosario accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marites del Rosario commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.