MEDICAL WEIGHT MANAGEMENT
NPI 1265844716
Dietitian, Registered - Nutrition, Metabolic in Port Jefferson, NY
About Medical Weight Management NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEDICAL WEIGHT MANAGEMENT (NPI 1265844716) is a healthcare organization registered as a nutrition, metabolic in Port Jefferson, New York and active in the NPI registry since June 2014. The organization lists Joseph Wisnoski, Vp Finance, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Medical Weight Management is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
10Medicare enrollment records show 10 clinicians reassign Medicare billing to Medical Weight Management, which bills Medicare for the services they deliver. Of these, 6 practice within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 5
Clinicians, nearest first (10)
Huntington, NY 11743
Henderson, NV 89052
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently 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 John T Mather Memorial Hospital's NPI number?
The NPI number for John T Mather Memorial Hospital is 1265844716. It was assigned to this organization in the NPPES registry on June 2, 2014. The provider is also known as Medical Weight Management.
Where is John T Mather Memorial Hospital located?
John T Mather Memorial Hospital is located at 625 Belle Terre Rd Suite 203, Port Jefferson, NY 11777. The listed phone number is (631) 686-7897.
What is John T Mather Memorial Hospital's specialty?
The primary specialty registered for this NPI is Dietitian, Registered, specializing in Nutrition, Metabolic, with taxonomy code 133VN1006X.
Is John T Mather Memorial Hospital enrolled in Medicare?
Yes. John T Mather Memorial Hospital is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through John T Mather Memorial Hospital?
According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 5 Medicare specialties reassign their Medicare billing to John T Mather Memorial Hospital. A 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 the clinician's services. The largest specialties are Emergency Medicine (5), Critical Care (Intensivists) (2) and Hospice/Palliative Care (1). Of these, 6 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for John T Mather Memorial Hospital was last updated on August 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Medical Weight Management · NPI 1265844716
Nutrition, Metabolic organization in Port Jefferson, New York. Organization record, active in the CMS NPPES registry since June 2, 2014.
## Identity
- **NPI:** 1265844716 (Entity type: Organization)
- **Enumerated:** June 2, 2014
- **Primary specialty:** Dietitian, Registered - Nutrition, Metabolic · taxonomy 133VN1006X
- **Legal business name:** John T Mather Memorial Hospital
- **Organization subpart:** No
- **Authorized official:** Joseph Wisnoski, VP FINANCE
## Practice location
- **Address:** 625 BELLE TERRE RD, SUITE 203, Port Jefferson, NY 11777-2316
- **Phone:** (631) 686-7897 · **Fax:** (631) 686-2503
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 10 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (5), Critical Care (Intensivists) (2), Hospice/Palliative Care (1); 6 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 27, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1265844716) · Data from the CMS NPPES public registry.