Hallie Gadon, LCSW
NPI 1598954992 · Clinical Social Worker · New York, NY
Enrolled with Medicare as Order and Referring Only - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hallie Gadon, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1598954992).
Provider details
- NPI number
- 1598954992
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 079247-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
- School Social Worker1041S0200X
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
18 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
- 2007-10-22
- Last updated
- 2013-10-03
Frequently asked questions
- What is Hallie Gadon's NPI number?
- Hallie Gadon's National Provider Identifier (NPI) is 1598954992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hallie Gadon's specialty?
- Hallie Gadon is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Hallie Gadon located?
- Hallie Gadon's practice location on file with NPPES is 1301 Fifth Ave, New York, NY 10029.
- What is Hallie Gadon's phone number?
- The practice phone number listed in the NPPES registry for Hallie Gadon is (212) 426-3400.
- Does Hallie Gadon accept Medicare?
- Hallie Gadon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hallie Gadon's NPI active?
- Yes — Hallie Gadon's NPI (1598954992) is active in the NPPES registry as of the last update on 2013-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.