Darren Okada, M.D.
NPI 1134245921 · Anatomic Pathology & Clinical Pathology Physician · Riverside, CA
Darren Okada, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Riverside, CA (NPI 1134245921).
Provider details
- NPI number
- 1134245921
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A55141 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,320 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 358 | $37 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 213 | $26 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 210 | $27 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 123 | $12 |
| Cell Examination of Specimen, Concentration Technique88108 | 76 | $22 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 71 | $80 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 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
Registry dates
- Enumerated
- 2007-03-22
- Last updated
- 2019-11-27
Frequently asked questions
- What is Darren Okada's NPI number?
- Darren Okada's National Provider Identifier (NPI) is 1134245921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darren Okada's specialty?
- Darren Okada is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Darren Okada located?
- Darren Okada's practice location on file with NPPES is 4445 Magnolia Ave, Riverside, CA 92501-4135.
- What is Darren Okada's phone number?
- The practice phone number listed in the NPPES registry for Darren Okada is (951) 788-3243.
- Is Darren Okada's NPI active?
- Yes — Darren Okada's NPI (1134245921) is active in the NPPES registry as of the last update on 2019-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.