Ronald Marquez, RN
NPI 1558250589 · Registered Nurse · El Cajon, CA
Ronald Marquez, RN is a Registered Nurse provider in El Cajon, CA (NPI 1558250589).
Provider details
- NPI number
- 1558250589
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- Yes
- License
- 532659 (CA)
Specialties & taxonomies
Nursing Service Providers
Nursing Service Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-07-02
- Last updated
- 2025-07-02
- Certified
- 2025-07-02
Frequently asked questions
- What is Ronald Marquez's NPI number?
- Ronald Marquez's National Provider Identifier (NPI) is 1558250589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Marquez's specialty?
- Ronald Marquez is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Ronald Marquez located?
- Ronald Marquez's practice location on file with NPPES is 675 E Bradley Ave, El Cajon, CA 92021-3110.
- What is Ronald Marquez's phone number?
- The practice phone number listed in the NPPES registry for Ronald Marquez is (619) 448-6633.
- Is Ronald Marquez's NPI active?
- Yes — Ronald Marquez's NPI (1558250589) is active in the NPPES registry as of the last update on 2025-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.