Doctor profile · Federal record

Dr. Roy del-Rosario, M.D.

Psychiatry Physician (CMS: Psychiatry) · Lancaster, CA

  • NPI 1740381870
  • Accepts Medicare
  • MIPS 0.0 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1672 W Avenue J, Ste 110
Lancaster, CA 93534
(661) 726-2826
fax (661) 723-9557
Mailing address
3555 Camino Hermanos
Lancaster, CA 935362819

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
August 27, 2018
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A44914

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740381870. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,791
Distinct HCPCS
3
Medicare allowed
$169,533
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 1,432 264 $98
90833 Psychotherapy with evaluation and management visit, 30 minutes 325 159 $73
99214 Established patient office or other outpatient visit, 30-39 minutes 34 29 $139

In context: peer comparison

Among 1 peers in Lancaster Psychiatry Physician, average services per provider: 597. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,782
Transactions
148
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Supernus Pharmaceuticals, INC. 31 $594.84
Alkermes, INC. 17 $486.75
Abbvie INC. 17 $377.58
Otsuka America Pharmaceutical, INC. 22 $304.92
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 18 $268.50
Lundbeck LLC 17 $228.55
Takeda Pharmaceuticals U.S.A., INC. 15 $177.86
Axsome Therapeutics, INC. 1 $124.93
E.R. Squibb & Sons, L.L.C. 2 $70.24
Teva Pharmaceuticals USA, INC. 3 $62.82
Neurocrine Biosciences, INC. 3 $53.97
Noven Therapeutics, LLC 1 $19.90
Corium, LLC 1 $11.18

By nature of payment

Food and Beverage
$2,782

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,513
Patients
1,006
Total drug cost
$160,883
Drug Type Claims Patients Total cost
Duloxetine Hcl Generic 769 110 $28,227
Clonazepam Generic 726 114 $9,690
Alprazolam Generic 689 101 $9,776
Bupropion Xl (Bupropion Hcl) Brand 555 82 $15,459
Trazodone Hcl Generic 530 82 $8,511
Lorazepam Generic 479 94 $4,622
Quetiapine Fumarate Generic 434 55 $15,700
Escitalopram Oxalate Generic 394 57 $4,902
Aripiprazole Generic 307 48 $30,974
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 297 45 $7,432

Frequently asked questions

Auto-generated from federal data
What is Dr. Roy del-Rosario's medical specialty?
Dr. Roy del-Rosario practices Psychiatry Physician in Lancaster, CA.
Where does Dr. Roy del-Rosario practice?
Dr. Roy del-Rosario practices at 1672 W Avenue J, Lancaster, CA 93534. Office phone: 6617262826.
What is Dr. Roy del-Rosario's NPI?
Dr. Roy del-Rosario's National Provider Identifier (NPI) is 1740381870, issued by NPPES.
Does Dr. Roy del-Rosario accept Medicare assignment?
Yes. Dr. Roy del-Rosario accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roy 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.