What is William Hopkins's NPI number?

William Hopkins's National Provider Identifier (NPI) is 1336544527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Hopkins's specialty?

William Hopkins is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is William Hopkins located?

William Hopkins's practice location on file with NPPES is 124 Patterson Ave, Hempstead, NY 11550-6537.

What is William Hopkins's phone number?

The practice phone number listed in the NPPES registry for William Hopkins is (516) 776-5122.

Does William Hopkins accept Medicare?

William Hopkins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is William Hopkins's NPI active?

Yes — William Hopkins's NPI (1336544527) is active in the NPPES registry as of the last update on 2014-10-30.

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William Hopkins, LMSW

NPI 1336544527 · Social Worker · Hempstead, NY

William Hopkins, LMSW is a Social Worker provider in Hempstead, NY (NPI 1336544527).

Provider details

NPI number: 1336544527
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LMSW
Sex: Male
Sole proprietor: Yes
License: 090711-1 (NY)

Practice location

124 Patterson Ave

Hempstead, NY 11550-6537

Phone: (516) 776-5122

Street-level locationGet directions

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Mailing address

124 Patterson Ave

Hempstead, NY 11550-6537

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 090711-1 (NY)
Behavioral Health & Social Service Providers

Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(75/100 index)

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

Registry tenure38% of score
12 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.

Enumerated: 2014-10-30
Last updated: 2014-10-30

Frequently asked questions

What is William Hopkins's NPI number?: William Hopkins's National Provider Identifier (NPI) is 1336544527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Hopkins's specialty?: William Hopkins is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
Where is William Hopkins located?: William Hopkins's practice location on file with NPPES is 124 Patterson Ave, Hempstead, NY 11550-6537.
What is William Hopkins's phone number?: The practice phone number listed in the NPPES registry for William Hopkins is (516) 776-5122.
Does William Hopkins accept Medicare?: William Hopkins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is William Hopkins's NPI active?: Yes — William Hopkins's NPI (1336544527) is active in the NPPES registry as of the last update on 2014-10-30.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions