What is Sallie Williamson's NPI number?

Sallie Williamson's National Provider Identifier (NPI) is 1538319405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sallie Williamson's specialty?

Sallie Williamson is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).

Where is Sallie Williamson located?

Sallie Williamson's practice location on file with NPPES is 452 Suffolk Ave, Brentwood, NY 11717-4214.

What is Sallie Williamson's phone number?

The practice phone number listed in the NPPES registry for Sallie Williamson is (631) 436-6065.

Is Sallie Williamson's NPI active?

Yes — Sallie Williamson's NPI (1538319405) is active in the NPPES registry as of the last update on 2008-09-26.

IndividualActive

Sallie Williamson, LMSW

NPI 1538319405 · Counselor · Brentwood, NY

Sallie Williamson, LMSW is a Counselor provider in Brentwood, NY (NPI 1538319405).

Provider details

NPI number: 1538319405
Entity type: Individual
Primary specialty: CounselorBehavioral Health & Social Service Providers
Credential: LMSW
Sex: Female
Sole proprietor: No
License: 00061765 (NY)

Specialties & taxonomies

CounselorPrimary101Y00000XLicense 00061765 (NY)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(86/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
17 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

452 Suffolk Ave

Brentwood, NY 11717-4214

Phone: (631) 436-6065

Fax: (631) 436-6068

Street-level locationGet directions

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Mailing address