Sandra Greenstein, LMHC
NPI 1023310463 · Mental Health Counselor · Round Ridge, NY
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandra Greenstein, LMHC is a Mental Health Counselor provider in Round Ridge, NY (NPI 1023310463).
Provider details
- NPI number
- 1023310463
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 002292-1 (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
15 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
- 2010-11-17
- Last updated
- 2023-04-11
- Certified
- 2023-04-11
Frequently asked questions
- What is Sandra Greenstein's NPI number?
- Sandra Greenstein's National Provider Identifier (NPI) is 1023310463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Greenstein's specialty?
- Sandra Greenstein is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Sandra Greenstein located?
- Sandra Greenstein's practice location on file with NPPES is 104 Hack Green Road, Round Ridge, NY 10576-2131.
- What is Sandra Greenstein's phone number?
- The practice phone number listed in the NPPES registry for Sandra Greenstein is (646) 831-2613.
- Does Sandra Greenstein accept Medicare?
- Sandra Greenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandra Greenstein's NPI active?
- Yes — Sandra Greenstein's NPI (1023310463) is active in the NPPES registry as of the last update on 2023-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.