Ronald Marquez, RN
Ronald Marquez, RN is an Addiction (Substance Use Disorder) Registered Nurse in El Cajon, California. Practices as a sole proprietor. Licensed in California.
- Licensed in
- CA
- In the registry since
- 2025
- Specialties on file
- 3
What do these letters mean?
- RN — Registered Nurse
- A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
Practice location Address checks out
675 E Bradley AveEl Cajon, CA 92021-3110
Phone: (619) 448-6633
Fax: (619) 448-5462
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Registered Nurse (primary) | Taxonomy 163W00000X · Licence 532659 (CA) |
|---|---|
| Addiction (Substance Use Disorder) Registered Nurse | Taxonomy 163WA0400X · Licence 532659 (CA) |
| Adult Psychiatric/Mental Health Registered Nurse | Taxonomy 163WP0809X · Licence 532659 (CA) |
Record details
| NPI number | 1558250589 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | RN |
| Sole proprietor | Yes |
| NPI enumerated | July 2, 2025 |
| Last updated in NPPES | July 2, 2025 |
| Certification date | July 2, 2025 |