Matt Sosnowsky, PLLC
NPI 1336746502 · Clinical Social Worker · Philadelphia, PA
Matt Sosnowsky, PLLC is a Clinical Social Worker organization in Philadelphia, PA (NPI 1336746502).
Provider details
- NPI number
- 1336746502
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Matthew Sosnowsky, Member(610) 217-7955
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
5 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
Other names (DBA / former)
- Doing business as
- Philadelphia Talk Therapy
- Doing business as
- Philadelphia Talk Therapy
Additional practice locations (1)
- 2929 Connecticut Ave Nw Apt 406Washington, DC 20008-1419Phone: (610) 217-7955
Registry dates
- Enumerated
- 2020-10-01
- Last updated
- 2021-09-28
- Certified
- 2021-09-15
Frequently asked questions
- What is Matt Sosnowsky, PLLC's NPI number?
- Matt Sosnowsky, PLLC's National Provider Identifier (NPI) is 1336746502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Matt Sosnowsky, PLLC?
- Matt Sosnowsky, PLLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Matt Sosnowsky, PLLC located?
- Matt Sosnowsky, PLLC's practice location on file with NPPES is 148 N 3rd St, Philadelphia, PA 19106-1733.
- What is Matt Sosnowsky, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Matt Sosnowsky, PLLC is (610) 217-7955.
- Who is the authorized official for Matt Sosnowsky, PLLC?
- The authorized official listed on Matt Sosnowsky, PLLC's NPPES record is Matthew Sosnowsky, Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Matt Sosnowsky, PLLC's NPI active?
- Yes — Matt Sosnowsky, PLLC's NPI (1336746502) is active in the NPPES registry as of the last update on 2021-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.