Stephen Grekin, LCSW
NPI 1699865907 · Clinical Social Worker · Binghamton, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Grekin, LCSW is a Clinical Social Worker provider in Binghamton, NY (NPI 1699865907).
Provider details
- NPI number
- 1699865907
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- PR005116-1 (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
- 2006-10-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen Grekin's NPI number?
- Stephen Grekin's National Provider Identifier (NPI) is 1699865907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Grekin's specialty?
- Stephen Grekin is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Stephen Grekin located?
- Stephen Grekin's practice location on file with NPPES is 84 Main St, Binghamton, NY 13905-2811.
- What is Stephen Grekin's phone number?
- The practice phone number listed in the NPPES registry for Stephen Grekin is (607) 772-8579.
- Does Stephen Grekin accept Medicare?
- Stephen Grekin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Grekin's NPI active?
- Yes — Stephen Grekin's NPI (1699865907) 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.