SUFFOLK PRIMARY HEALTH, LLC
NPI 1174965727
Clinic/Center - Primary Care in Riverhead, NY
About Suffolk Primary Health, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUFFOLK PRIMARY HEALTH, LLC (NPI 1174965727) is a healthcare organization registered as a primary care in Riverhead, New York and active in the NPI registry since July 2013. The organization holds 7 active CLIA laboratory certificates, maintains 3 additional practice locations, and lists Matisyahu Swerdloff, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Suffolk Primary Health, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
57Medicare enrollment records show 57 clinicians reassign Medicare billing to Suffolk Primary Health, LLC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 9
Nearest to this location (20)
See all 57Source: 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 7
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 33D2137930
Suffolk Primary Health LLC · Riverhead, NYCertificate of Waiver 33D2317711
Suffolk Primary Health LLC Dba Suffolk Health Hempstead · Hempstead, NYCertificate of Waiver 33D2343664
Suffolk Proimary Health LLC Dba Suffolk Health Tfc · Inwood, NYCertificate of Waiver 33D2321307
Suffolk Primary Health LLC Dba Suffolk Health North Rockland · Suffern, NYCertificate of Waiver 33D2321311
Suffolk Primary Health LLC Dba Suffolk Health Total Family Care · Inwood, NYCertificate of Waiver 33D2333393
Suffolk Primary Health LLC Dba Suffolk Health 5towns · Cedarhurst, 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 Suffolk Primary Health, LLC's NPI number?
The NPI number for Suffolk Primary Health, LLC is 1174965727. It was assigned to this organization in the NPPES registry on July 24, 2013.
Where is Suffolk Primary Health, LLC located?
Suffolk Primary Health, LLC is located at 170 Old Country Rd, Riverhead, NY 11901. The listed phone number is (631) 208-4460.
What is Suffolk Primary Health, LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is Suffolk Primary Health, LLC enrolled in Medicare?
Yes. Suffolk Primary Health, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Suffolk Primary Health, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 57 clinicians in 9 Medicare specialties reassign their Medicare billing to Suffolk Primary Health, LLC. 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 Nurse Practitioner (45), Internal Medicine (3) and Family Practice (2). Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Suffolk Primary Health, LLC hold CLIA laboratory certificates?
Yes. 7 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.
When was this NPI record last updated?
The NPPES record for Suffolk Primary Health, LLC was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Suffolk Primary Health, Llc · NPI 1174965727
Primary Care organization in Riverhead, New York. Organization record, active in the CMS NPPES registry since July 24, 2013.
## Identity
- **NPI:** 1174965727 (Entity type: Organization)
- **Enumerated:** July 24, 2013
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Organization subpart:** No
- **Authorized official:** Matisyahu Swerdloff, CEO
## Practice location
- **Address:** 170 OLD COUNTRY RD, Riverhead, NY 11901-2198
- **Phone:** (631) 208-4460 · **Fax:** (631) 208-4462
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 57 clinicians in 9 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (45), Internal Medicine (3), Family Practice (2); 2 practice within 10 miles; [full list](https://npiprofile.com/npi/1174965727/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 4, 2026
- **Other identifiers:** Other 5155205R (NY); Other 6361 (NY)
- **CLIA laboratory certificates:** 7 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1174965727) · Data from the CMS NPPES public registry.