IndividualActive
Marian Girgis
NPI 1912541301 · Clinical Social Worker · Ontario, CA
Marian Girgis is a Clinical Social Worker provider in Ontario, CA (NPI 1912541301).
Provider details
- NPI number
- 1912541301
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 110269 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
3633 Inland Empire Blvd Ste 777
Ontario, CA 91764-7974
Phone: (626) 321-5101
Street-level locationGet directions
Mailing address
3633 Inland Empire Blvd Ste 777
Ontario, CA 91764-7974
Registry dates
- Enumerated
- 2019-10-30
- Last updated
- 2024-11-27
- Certified
- 2024-11-27
Frequently asked questions
- What is Marian Girgis's NPI number?
- Marian Girgis's National Provider Identifier (NPI) is 1912541301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marian Girgis's specialty?
- Marian Girgis is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marian Girgis located?
- Marian Girgis's practice location on file with NPPES is 3633 Inland Empire Blvd Ste 777, Ontario, CA 91764-7974.
- What is Marian Girgis's phone number?
- The practice phone number listed in the NPPES registry for Marian Girgis is (626) 321-5101.
- Is Marian Girgis's NPI active?
- Yes — Marian Girgis's NPI (1912541301) is active in the NPPES registry as of the last update on 2024-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.