Dr. Darren Okada, M.D.
Dr. Darren Okada is a Anatomic Pathology & Clinical Pathology Physician provider (Pathology) practicing in Riverside, CA, registered in the NPPES registry with NPI 1134245921 since 2007. The credential MD stands for Doctor of Medicine.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1134245921 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Darren Okada |
| Credential | M.D. |
| Sex | Male |
| Practice address | 4445 MAGNOLIA AVE, DEPT OF PATHOLOGY, RIVERSIDE COMMUNITY HOSPITAL, Riverside, CA, 92501 |
| Phone | 9517883243 |
| Fax | 9517883633 |
| Enumeration date | 2007-03-22 |
| Last updated in NPPES | 2019-11-27 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 207ZP0102X | Anatomic Pathology & Clinical Pathology Physician | Primary | A55141 | CA |
MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential
Copy-ready billing details
Provider: Darren Okada, M.D. NPI: 1134245921 Taxonomy: 207ZP0102X (Anatomic Pathology & Clinical Pathology Physician) Address: 4445 MAGNOLIA AVE, DEPT OF PATHOLOGY, RIVERSIDE COMMUNITY HOSPITAL, Riverside, CA, 92501
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1831016724 | Karen Castagnola | Individual | Medical-Surgical Registered Nurse | Riverside, CA |
| 1952228678 | Greg Basa | Individual | Registered Nurse | Riverside, CA |
| 1801897731 | Donald Massee | Individual | Diagnostic Radiology Physician | Riverside, CA |
| 1710988647 | Ronald Otto | Individual | Diagnostic Radiology Physician | Riverside, CA |
| 1255332185 | Han Ta | Individual | Diagnostic Radiology Physician | Riverside, CA |
| 1699776526 | Riverside Radiology Medical Group Inc | Organization | Diagnostic Radiology Physician | Riverside, CA |
| 1063413920 | Ardavan Afshar | Individual | Diagnostic Radiology Physician | Riverside, CA |
| 1578564431 | Raymond Sakover | Individual | Diagnostic Radiology Physician | Riverside, CA |
Verify this record
Cross-check NPI 1134245921 against the authoritative CMS record: view Dr. Darren Okada on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2019-11-27.