Zachary Holtzman-Conston, LCSW
NPI 1710425640 · Clinical Social Worker · New York, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Holtzman-Conston, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1710425640).
Provider details
- NPI number
- 1710425640
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 020402 (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 447 Atlantic AveBrooklyn, NY 11217-1702Phone: (718) 858-6300Fax: (718) 858-0145
- 255 S 17th StPhiladelphia, PA 19103-6231Phone: (215) 917-6199
Registry dates
- Enumerated
- 2017-02-11
- Last updated
- 2022-07-27
- Certified
- 2022-07-27
Frequently asked questions
- What is Zachary Holtzman-Conston's NPI number?
- Zachary Holtzman-Conston's National Provider Identifier (NPI) is 1710425640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Holtzman-Conston's specialty?
- Zachary Holtzman-Conston is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Zachary Holtzman-Conston located?
- Zachary Holtzman-Conston's practice location on file with NPPES is 215 East 95th Street, New York, NY 10128-4077.
- What is Zachary Holtzman-Conston's phone number?
- The practice phone number listed in the NPPES registry for Zachary Holtzman-Conston is (212) 996-8000.
- Does Zachary Holtzman-Conston accept Medicare?
- Zachary Holtzman-Conston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Holtzman-Conston's NPI active?
- Yes — Zachary Holtzman-Conston's NPI (1710425640) is active in the NPPES registry as of the last update on 2022-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.