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Maristella Cosip, FNP
NPI 1386482503 · Family Medicine Physician · Ontario, CA
Maristella Cosip, FNP is a Family Medicine Physician provider in Ontario, CA (NPI 1386482503).
Provider details
- NPI number
- 1386482503
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95026477 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
2624 E Harper St
Ontario, CA 91762-7398
Phone: (909) 942-1864
Approximate (ZIP-level) locationGet directions
Mailing address
2624 E Harper St
Ontario, CA 91762-7398
Registry dates
- Enumerated
- 2024-07-20
- Last updated
- 2024-07-20
- Certified
- 2024-07-20
Frequently asked questions
- What is Maristella Cosip's NPI number?
- Maristella Cosip's National Provider Identifier (NPI) is 1386482503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maristella Cosip's specialty?
- Maristella Cosip is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maristella Cosip located?
- Maristella Cosip's practice location on file with NPPES is 2624 E Harper St, Ontario, CA 91762-7398.
- What is Maristella Cosip's phone number?
- The practice phone number listed in the NPPES registry for Maristella Cosip is (909) 942-1864.
- Is Maristella Cosip's NPI active?
- Yes — Maristella Cosip's NPI (1386482503) is active in the NPPES registry as of the last update on 2024-07-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.