Doctor profile · Federal record

Dr. Joy Diores, NP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · West Covina, CA

  • NPI 1689337776
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
100 N Barranca St Ste 900
West Covina, CA 917911637
(626) 206-0523
fax (626) 206-0553
Additional location
1100 W Stewart Dr
Orange, CA 928683849
(714) 771-8000
Additional location
15519 Crenshaw Blvd
Gardena, CA 902494597
(714) 716-1830
Mailing address
15519 Crenshaw Blvd
Gardena, CA 902494597

Credentials & registration

NPPES · NUCC
NPI registered
October 2021 — 5 yrs on file
Profile last updated
March 20, 2026
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State licenses (2)
California #95019494 · California #95073474

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689337776. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
291
Distinct HCPCS
5
Medicare allowed
$20,080
HCPCS Description Services Patients Avg allowed
96127 Assessment of emotional or behavioral problems 107 57 $5
90792 Psychiatric diagnostic evaluation with medical services 72 69 $152
99213 Established patient office or other outpatient visit, 20-29 minutes 65 46 $59
99214 Established patient office or other outpatient visit, 30-39 minutes 33 30 $87
90791 Psychiatric diagnostic evaluation 14 14 $133

In context: peer comparison

Among 3 peers in West Covina Psychiatric/Mental Health Nurse Practitioner, average services per provider: 99. This provider delivers 2.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$122
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alkermes, INC. 1 $121.63

By nature of payment

Food and Beverage
$122

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
108
Patients
34
Total drug cost
$4,005
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 47 11 $2,007
Trazodone Hcl Generic 21 12 $336
Gabapentin Generic 14 0 $631
Mirtazapine Generic 14 11 $340
Hydroxyzine Hcl Generic 12 0 $691

Frequently asked questions

Auto-generated from federal data
What is Dr. Joy Diores's medical specialty?
Dr. Joy Diores practices Psychiatric/Mental Health Nurse Practitioner in West Covina, CA.
Where does Dr. Joy Diores practice?
Dr. Joy Diores practices at 100 N Barranca St Ste 900, West Covina, CA 917911637. Office phone: 6262060523.
What is Dr. Joy Diores's NPI?
Dr. Joy Diores's National Provider Identifier (NPI) is 1689337776, issued by NPPES.
Does Dr. Joy Diores accept Medicare assignment?
Yes. Dr. Joy Diores accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joy Diores commonly perform?
Top Medicare-reported procedures in 2023: Assessment of emotional or behavioral problems (HCPCS 96127); Psychiatric diagnostic evaluation with medical services (HCPCS 90792); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.