Greta Grier, LCSW, MLSW, CADC
NPI 1346004926 · Clinical Social Worker · Philadelphia, PA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greta Grier, LCSW, MLSW, CADC is a Clinical Social Worker provider in Philadelphia, PA (NPI 1346004926).
Provider details
- NPI number
- 1346004926
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW, MLSW, CADC
- Sex
- Female
- Sole proprietor
- Yes
- License
- SW137757 (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
2 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)
- 162 Carters Mill RdFeasterville Trevose, PA 19053-2701Phone: (215) 823-5800
Registry dates
- Enumerated
- 2024-02-13
- Last updated
- 2025-12-03
- Certified
- 2025-12-03
Frequently asked questions
- What is Greta Grier's NPI number?
- Greta Grier's National Provider Identifier (NPI) is 1346004926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greta Grier's specialty?
- Greta Grier is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Greta Grier located?
- Greta Grier's practice location on file with NPPES is 3900 Woodland Ave, Philadelphia, PA 19104-4551.
- What is Greta Grier's phone number?
- The practice phone number listed in the NPPES registry for Greta Grier is (215) 823-5800.
- Does Greta Grier accept Medicare?
- Greta Grier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greta Grier's NPI active?
- Yes — Greta Grier's NPI (1346004926) is active in the NPPES registry as of the last update on 2025-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.