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Billy Sand, PHD.
NPI 1639198518 · Specialist · Brooklyn, NY
Billy Sand, PHD. is a Specialist provider in Brooklyn, NY (NPI 1639198518).
Provider details
- NPI number
- 1639198518
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- PHD.
- Sex
- Female
- Sole proprietor
- No
- License
- 014110-1 (NY)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(91/100 index)
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
350 Lefferts Ave
1d
Brooklyn, NY 11225-4348
Phone: (917) 613-9920
Fax: (718) 613-4381
Street-level locationGet directions
Mailing address
725 166th St
Whitestone, NY 11357-2061
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Billy Sand's NPI number?
- Billy Sand's National Provider Identifier (NPI) is 1639198518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Billy Sand's specialty?
- Billy Sand is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Billy Sand located?
- Billy Sand's practice location on file with NPPES is 350 Lefferts Ave, Brooklyn, NY 11225-4348.
- What is Billy Sand's phone number?
- The practice phone number listed in the NPPES registry for Billy Sand is (917) 613-9920.
- Is Billy Sand's NPI active?
- Yes — Billy Sand's NPI (1639198518) 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.