Bret Nielson, LCSW
NPI 1639776149 · Clinical Social Worker · Philadelphia, PA
Bret Nielson, LCSW is a Clinical Social Worker provider in Philadelphia, PA (NPI 1639776149).
Provider details
- NPI number
- 1639776149
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 149022187 (IL)
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
Additional practice locations (1)
- 1603 Orrington Ave Ste 600Evanston, IL 60201-3860Phone: (224) 408-0390
Registry dates
- Enumerated
- 2020-10-07
- Last updated
- 2022-11-11
- Certified
- 2022-11-11
Frequently asked questions
- What is Bret Nielson's NPI number?
- Bret Nielson's National Provider Identifier (NPI) is 1639776149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bret Nielson's specialty?
- Bret Nielson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Bret Nielson located?
- Bret Nielson's practice location on file with NPPES is 1518 Walnut St Ste 1100, Philadelphia, PA 19102-3406.
- What is Bret Nielson's phone number?
- The practice phone number listed in the NPPES registry for Bret Nielson is (224) 408-0390.
- Is Bret Nielson's NPI active?
- Yes — Bret Nielson's NPI (1639776149) is active in the NPPES registry as of the last update on 2022-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.