IndividualActive
Philippa Mariner
NPI 1598195976 · Clinical Social Worker · Ontario, CA
Philippa Mariner is a Clinical Social Worker provider in Ontario, CA (NPI 1598195976).
Provider details
- NPI number
- 1598195976
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 88152 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
2940 Inland Empire Blvd
Ontario, CA 91764
Phone: (909) 458-1508
Street-level locationGet directions
Mailing address
2940 Inland Empire Blvd
Ontario, CA 91764-4898
Additional practice locations (1)
- 740 E Gilbert StSan Bernardino, CA 92415-0940Phone: (909) 387-7770
Registry dates
- Enumerated
- 2013-11-20
- Last updated
- 2019-03-22
Frequently asked questions
- What is Philippa Mariner's NPI number?
- Philippa Mariner's National Provider Identifier (NPI) is 1598195976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philippa Mariner's specialty?
- Philippa Mariner is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Philippa Mariner located?
- Philippa Mariner's practice location on file with NPPES is 2940 Inland Empire Blvd, Ontario, CA 91764.
- What is Philippa Mariner's phone number?
- The practice phone number listed in the NPPES registry for Philippa Mariner is (909) 458-1508.
- Is Philippa Mariner's NPI active?
- Yes — Philippa Mariner's NPI (1598195976) is active in the NPPES registry as of the last update on 2019-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.