IndividualActive
Michael Erwin, LSW
NPI 1841563483 · Social Worker · Philadelphia, PA
Michael Erwin, LSW is a Social Worker provider in Philadelphia, PA (NPI 1841563483).
Provider details
- NPI number
- 1841563483
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- SW128914 (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
4040 Market St
Suite 320
Philadelphia, PA 19104-3003
Phone: (215) 390-1500
Fax: (215) 382-1099
Street-level locationGet directions
Mailing address
4408 Locust St
Philadelphia, PA 19104-2987
Registry dates
- Enumerated
- 2012-02-13
- Last updated
- 2012-02-13
Frequently asked questions
- What is Michael Erwin's NPI number?
- Michael Erwin's National Provider Identifier (NPI) is 1841563483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Erwin's specialty?
- Michael Erwin is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Michael Erwin located?
- Michael Erwin's practice location on file with NPPES is 4040 Market St, Philadelphia, PA 19104-3003.
- What is Michael Erwin's phone number?
- The practice phone number listed in the NPPES registry for Michael Erwin is (215) 390-1500.
- Is Michael Erwin's NPI active?
- Yes — Michael Erwin's NPI (1841563483) is active in the NPPES registry as of the last update on 2012-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.