Nancy Longo, LCSW
NPI 1497113302 · Clinical Social Worker · Ontario, CA
Nancy Longo, LCSW is a Clinical Social Worker provider in Ontario, CA (NPI 1497113302).
Provider details
- NPI number
- 1497113302
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 76603 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Social Worker104100000X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
Mailing address
Additional practice locations (1)
- 4164 Brockton AveRiverside, CA 92501-3400Phone: (951) 683-5193Fax: (951) 683-6019
Registry dates
- Enumerated
- 2016-02-05
- Last updated
- 2021-01-06
- Certified
- 2021-01-06
Frequently asked questions
- What is Nancy Longo's NPI number?
- Nancy Longo's National Provider Identifier (NPI) is 1497113302, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Longo's specialty?
- Nancy Longo is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nancy Longo located?
- Nancy Longo's practice location on file with NPPES is 855 N Euclid Ave, Ontario, CA 91762.
- What is Nancy Longo's phone number?
- The practice phone number listed in the NPPES registry for Nancy Longo is (909) 983-2020.
- Is Nancy Longo's NPI active?
- Yes — Nancy Longo's NPI (1497113302) is active in the NPPES registry as of the last update on 2021-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.