Marzena Richardson, NNP
NPI 1518550755 · Critical Care Neonatal Nurse Practitioner · Loma Linda, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marzena Richardson, NNP is a Critical Care Neonatal Nurse Practitioner provider in Loma Linda, CA (NPI 1518550755).
Provider details
- NPI number
- 1518550755
- Entity type
- Individual
- Primary specialty
- Critical Care Neonatal Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95016598 (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
5 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
- 2021-02-18
- Last updated
- 2021-02-22
- Certified
- 2021-02-22
Frequently asked questions
- What is Marzena Richardson's NPI number?
- Marzena Richardson's National Provider Identifier (NPI) is 1518550755, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marzena Richardson's specialty?
- Marzena Richardson is listed in the NPPES registry with a primary specialty of Critical Care Neonatal Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marzena Richardson located?
- Marzena Richardson's practice location on file with NPPES is 11234 Anderson St, Loma Linda, CA 92354-2804.
- What is Marzena Richardson's phone number?
- The practice phone number listed in the NPPES registry for Marzena Richardson is (909) 558-8000.
- Does Marzena Richardson accept Medicare?
- Marzena Richardson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marzena Richardson's NPI active?
- Yes — Marzena Richardson's NPI (1518550755) is active in the NPPES registry as of the last update on 2021-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.