John Provost, LCSW LICENSED CERTIF
NPI 1023129947 · Clinical Social Worker · Hauppauge, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Provost, LCSW LICENSED CERTIF is a Clinical Social Worker provider in Hauppauge, NY (NPI 1023129947).
Provider details
- NPI number
- 1023129947
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW LICENSED CERTIF
- Sex
- Male
- Sole proprietor
- No
- License
- R0136841 (NY)
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
- 2006-08-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Provost's NPI number?
- John Provost's National Provider Identifier (NPI) is 1023129947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Provost's specialty?
- John Provost is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is John Provost located?
- John Provost's practice location on file with NPPES is 750 Veterans Highway, Hauppauge, NY 11788-2943.
- What is John Provost's phone number?
- The practice phone number listed in the NPPES registry for John Provost is (631) 724-5522.
- Does John Provost accept Medicare?
- John Provost is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Provost's NPI active?
- Yes — John Provost's NPI (1023129947) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.