Mark Greenfeld, LSCW
NPI 1972609865 · Clinical Social Worker · Pittsford, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Greenfeld, LSCW is a Clinical Social Worker provider in Pittsford, NY (NPI 1972609865).
Provider details
- NPI number
- 1972609865
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LSCW
- Sex
- Male
- Sole proprietor
- No
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
83% 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
- 2006-09-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Greenfeld's NPI number?
- Mark Greenfeld's National Provider Identifier (NPI) is 1972609865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Greenfeld's specialty?
- Mark Greenfeld is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Greenfeld located?
- Mark Greenfeld's practice location on file with NPPES is 55 Sullys Trail, Pittsford, NY 14534.
- What is Mark Greenfeld's phone number?
- The practice phone number listed in the NPPES registry for Mark Greenfeld is (585) 425-3700.
- Does Mark Greenfeld accept Medicare?
- Mark Greenfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Greenfeld's NPI active?
- Yes — Mark Greenfeld's NPI (1972609865) 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.