Mario Prietto, L.C.S.W.
NPI 1306025648 · Clinical Social Worker · Los Angeles, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mario Prietto, L.C.S.W. is a Clinical Social Worker provider in Los Angeles, CA (NPI 1306025648).
Provider details
- NPI number
- 1306025648
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- L.C.S.W.
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCS 24161 (CA)
Specialties & taxonomies
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
18 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
- 2007-11-02
- Last updated
- 2007-11-02
Frequently asked questions
- What is Mario Prietto's NPI number?
- Mario Prietto's National Provider Identifier (NPI) is 1306025648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mario Prietto's specialty?
- Mario Prietto is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mario Prietto located?
- Mario Prietto's practice location on file with NPPES is 2898 Rowena Ave, Los Angeles, CA 90039-2020.
- What is Mario Prietto's phone number?
- The practice phone number listed in the NPPES registry for Mario Prietto is (323) 799-1177.
- Does Mario Prietto accept Medicare?
- Mario Prietto is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mario Prietto's NPI active?
- Yes — Mario Prietto's NPI (1306025648) is active in the NPPES registry as of the last update on 2007-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.