Joy Diores, NP
NPI 1689337776 · Psychiatric/Mental Health Nurse Practitioner · West Covina, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joy Diores, NP is a Psychiatric/Mental Health Nurse Practitioner provider in West Covina, CA (NPI 1689337776).
Provider details
- NPI number
- 1689337776
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95073474 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
411 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 145 | $58 |
| Assessment of Emotional Or Behavioral Problems96127 | 90 | $5 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 79 | $56 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 45 | $148 |
| Psychiatric Diagnostic Evaluation90791 | 29 | $128 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 23 | $31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirtazapine | 154 | 41 |
| Quetiapine Fumarate | 127 | 21 |
| Trazodone Hcl | 106 | 28 |
| Sertraline Hcl | 72 | 16 |
| Escitalopram Oxalate | 62 | 13 |
| Buspirone Hcl | 48 | 13 |
| Gabapentin | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$122 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 15519 Crenshaw BlvdGardena, CA 90249-4597Phone: (714) 716-1830
- 1100 W Stewart DrOrange, CA 92868-3849Phone: (714) 771-8000
Registry dates
- Enumerated
- 2021-10-16
- Last updated
- 2026-03-20
- Certified
- 2026-03-20
Frequently asked questions
- What is Joy Diores's NPI number?
- Joy Diores's National Provider Identifier (NPI) is 1689337776, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joy Diores's specialty?
- Joy Diores is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joy Diores located?
- Joy Diores's practice location on file with NPPES is 100 N Barranca St Ste 900, West Covina, CA 91791-1637.
- What is Joy Diores's phone number?
- The practice phone number listed in the NPPES registry for Joy Diores is (626) 206-0523.
- Does Joy Diores accept Medicare?
- Joy Diores is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joy Diores's NPI active?
- Yes — Joy Diores's NPI (1689337776) is active in the NPPES registry as of the last update on 2026-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.