Marianne Usi, NP
NPI 1104507466 · Gerontology Nurse Practitioner · San Bernardino, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianne Usi, NP is a Gerontology Nurse Practitioner provider in San Bernardino, CA (NPI 1104507466).
Provider details
- NPI number
- 1104507466
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- NP95011934 (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
- 2023-07-28
- Last updated
- 2026-03-12
- Certified
- 2026-03-12
Frequently asked questions
- What is Marianne Usi's NPI number?
- Marianne Usi's National Provider Identifier (NPI) is 1104507466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Usi's specialty?
- Marianne Usi is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marianne Usi located?
- Marianne Usi's practice location on file with NPPES is 401 E Highland Ave Ste 551, San Bernardino, CA 92404-3840.
- What is Marianne Usi's phone number?
- The practice phone number listed in the NPPES registry for Marianne Usi is (909) 882-9150.
- Does Marianne Usi accept Medicare?
- Marianne Usi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianne Usi's NPI active?
- Yes — Marianne Usi's NPI (1104507466) is active in the NPPES registry as of the last update on 2026-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.