John Freienbergs, LICSW
NPI 1679597678 · Clinical Social Worker · Worcester, MA
John Freienbergs, LICSW is a Clinical Social Worker provider in Worcester, MA (NPI 1679597678).
Provider details
- NPI number
- 1679597678
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Male
- Sole proprietor
- No
- License
- 1020823 (MA)
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
- 2006-07-26
- Last updated
- 2011-03-21
Frequently asked questions
- What is John Freienbergs's NPI number?
- John Freienbergs's National Provider Identifier (NPI) is 1679597678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Freienbergs's specialty?
- John Freienbergs is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is John Freienbergs located?
- John Freienbergs's practice location on file with NPPES is 108 Grove St, Worcester, MA 01605-2651.
- What is John Freienbergs's phone number?
- The practice phone number listed in the NPPES registry for John Freienbergs is (508) 753-3220.
- Is John Freienbergs's NPI active?
- Yes — John Freienbergs's NPI (1679597678) is active in the NPPES registry as of the last update on 2011-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.