JONATHAN E ARIYARATNAM MD PLLC
NPI 1699540658
Family Medicine in West Islip, NY
About Jonathan E Ariyaratnam Md Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONATHAN E ARIYARATNAM MD PLLC (NPI 1699540658) is a healthcare organization registered as a family medicine in West Islip, New York and active in the NPI registry since November 2023. The organization lists Jonathan Ariyaratnam, Md, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Jonathan E Ariyaratnam Md Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Jonathan E Ariyaratnam MD PLLC, 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.
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 Jonathan E Ariyaratnam MD PLLC's NPI number?
The NPI number for Jonathan E Ariyaratnam MD PLLC is 1699540658. It was assigned to this organization in the NPPES registry on November 20, 2023.
Where is Jonathan E Ariyaratnam MD PLLC located?
Jonathan E Ariyaratnam MD PLLC is located at 1000 Montauk Hwy, West Islip, NY 11795. The listed phone number is (516) 813-6875.
What is Jonathan E Ariyaratnam MD PLLC's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Jonathan E Ariyaratnam MD PLLC enrolled in Medicare?
Yes. Jonathan E Ariyaratnam MD PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Jonathan E Ariyaratnam MD PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Hospitalist) reassigns their Medicare billing to Jonathan E Ariyaratnam MD PLLC. 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.
When was this NPI record last updated?
The NPPES record for Jonathan E Ariyaratnam MD PLLC was last updated on November 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Jonathan E Ariyaratnam Md Pllc · NPI 1699540658
Family Medicine organization in West Islip, New York. Organization record, active in the CMS NPPES registry since November 20, 2023.
## Identity
- **NPI:** 1699540658 (Entity type: Organization)
- **Enumerated:** November 20, 2023
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** Jonathan Ariyaratnam, MD
## Practice location
- **Address:** 1000 MONTAUK HWY, West Islip, NY 11795-4927
- **Phone:** (516) 813-6875
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Hospitalist) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 20, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1699540658) · Data from the CMS NPPES public registry.