SYOSSET ENDOCRINOLOGY PC
NPI 1093076606
Internal Medicine - Endocrinology, Diabetes & Metabolism in Syosset, NY
About Syosset Endocrinology Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SYOSSET ENDOCRINOLOGY PC (NPI 1093076606) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Syosset, New York and active in the NPI registry since May 2012. The organization holds a CLIA Waiver certificate valid through June 3, 2028 and lists Alla Khalfin, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Syosset Endocrinology Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Syosset Endocrinology PC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 33D2345032
Syosset Endocrinology PC · Syosset, 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 Syosset Endocrinology PC's NPI number?
The NPI number for Syosset Endocrinology PC is 1093076606. It was assigned to this organization in the NPPES registry on May 31, 2012.
Where is Syosset Endocrinology PC located?
Syosset Endocrinology PC is located at 175 Jericho Tpke Suite 204, Syosset, NY 11791. The listed phone number is (631) 271-9151.
What is Syosset Endocrinology PC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Syosset Endocrinology PC enrolled in Medicare?
Yes. Syosset Endocrinology PC is registered in the Medicare PECOS enrollment system.
When is Syosset Endocrinology PC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New York, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Syosset Endocrinology PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Endocrinology) reassigns their Medicare billing to Syosset Endocrinology PC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Syosset Endocrinology PC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 33D2345032) is associated with this NPI, valid through June 3, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Syosset Endocrinology PC was last updated on October 8, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Syosset Endocrinology Pc · NPI 1093076606
Endocrinology, Diabetes & Metabolism organization in Syosset, New York. Organization record, active in the CMS NPPES registry since May 31, 2012.
## Identity
- **NPI:** 1093076606 (Entity type: Organization)
- **Enumerated:** May 31, 2012
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **Organization subpart:** No
- **Authorized official:** Alla Khalfin, OWNER
## Practice location
- **Address:** 175 JERICHO TPKE, SUITE 204, Syosset, NY 11791-4532
- **Phone:** (631) 271-9151
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, New York, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Endocrinology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 8, 2019
- **Other identifiers:** Other 239938 (NY)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1093076606) · Data from the CMS NPPES public registry.