MR. WILLIAM DARIUS HOPKINS LMSW
NPI 1336544527
Social Worker in Hempstead, NY
About Mr. William Darius Hopkins Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WILLIAM DARIUS HOPKINS LMSW (NPI 1336544527) is an individual social worker in Hempstead, New York, licensed in New York (090711-1) and active in the NPI registry since October 2014. He is enrolled in Medicare PECOS, is affiliated with Long Island Jewish Medical Center, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. William Darius Hopkins Lmsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show William Hopkins reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Long Island Jewish Medical Center
Acute Care Hospitals · New Hyde Park, NYFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Hopkins's NPI number?
The NPI number for William Hopkins is 1336544527. It was assigned to this individual provider in the NPPES registry on October 30, 2014.
Where is William Hopkins located?
William Hopkins practices at 124 Patterson Ave, Hempstead, NY 11550. The listed phone number is (516) 776-5122.
What is William Hopkins's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is William Hopkins enrolled in Medicare?
Yes. William Hopkins is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for William Hopkins's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Hopkins reassigns Medicare benefits to North Shore - Lij Medical PC (New Hyde Park, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Hopkins's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Hopkins affiliated with any hospitals?
According to CMS data, William Hopkins is affiliated with Long Island Jewish Medical Center.
When was this NPI record last updated?
The NPPES record for William Hopkins was last updated on October 30, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. William Darius Hopkins, LMSW · NPI 1336544527
Social Worker provider in Hempstead, New York. Individual provider, active in the CMS NPPES registry since October 30, 2014.
## Identity
- **NPI:** 1336544527 (Entity type: Individual)
- **Enumerated:** October 30, 2014
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 090711-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 124 PATTERSON AVE, Hempstead, NY 11550-6537
- **Phone:** (516) 776-5122
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** October 30, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1336544527) · Data from the CMS NPPES public registry.