Emily Mason, M.S.W.
NPI 1427112481 · Clinical Social Worker · Perris, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Emily Mason, M.S.W. is a Clinical Social Worker provider in Perris, CA (NPI 1427112481).
Provider details
- NPI number
- 1427112481
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- M.S.W.
- Sex
- Female
- Sole proprietor
- No
- License
- L8218
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
19 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
- 2006-12-21
- Last updated
- 2025-10-07
- Certified
- 2025-10-07
Frequently asked questions
- What is Emily Mason's NPI number?
- Emily Mason's National Provider Identifier (NPI) is 1427112481, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Emily Mason's specialty?
- Emily Mason is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Emily Mason located?
- Emily Mason's practice location on file with NPPES is 21705 Martin St, Perris, CA 92570-7316.
- What is Emily Mason's phone number?
- The practice phone number listed in the NPPES registry for Emily Mason is (415) 601-0977.
- Does Emily Mason accept Medicare?
- Emily Mason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Emily Mason's NPI active?
- Yes — Emily Mason's NPI (1427112481) is active in the NPPES registry as of the last update on 2025-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.