Marlena Ralston
NPI 1215771910 · Family Nurse Practitioner · Corona, CA
Marlena Ralston is a Family Nurse Practitioner provider in Corona, CA (NPI 1215771910).
Provider details
- NPI number
- 1215771910
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 95030586 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES 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
- 2024-06-19
- Last updated
- 2024-06-19
- Certified
- 2024-06-19
Frequently asked questions
- What is Marlena Ralston's NPI number?
- Marlena Ralston's National Provider Identifier (NPI) is 1215771910, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marlena Ralston's specialty?
- Marlena Ralston is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marlena Ralston located?
- Marlena Ralston's practice location on file with NPPES is 11186 Guffey Ranch Way, Corona, CA 92883-3078.
- What is Marlena Ralston's phone number?
- The practice phone number listed in the NPPES registry for Marlena Ralston is (909) 649-2571.
- Is Marlena Ralston's NPI active?
- Yes — Marlena Ralston's NPI (1215771910) is active in the NPPES registry as of the last update on 2024-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.