LAUREN STEPHANIE ZAGARIA M.D.
NPI 1043690266
Family Medicine in Oyster Bay, NY
About Lauren Stephanie Zagaria M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAUREN STEPHANIE ZAGARIA M.D. (NPI 1043690266) is an individual family medicine provider in Oyster Bay, New York, licensed in New York (306828) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Lauren Stephanie Zagaria M.d. 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 Reassignments
3Medicare enrollment records show Lauren Zagaria reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Lindenhurst, NY 11757
- Reassigned Medicare billing, New York enrollment
- 348 clinicians in this Medicare group
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore University Hospital
Acute Care Hospitals · Manhasset, NYNorthwell Hospital Glen Cove
Acute Care Hospitals · Glen Cove, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11771 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Lauren Zagaria's NPI number?
The NPI number for Lauren Zagaria is 1043690266. It was assigned to this individual provider in the NPPES registry on June 3, 2015. The provider is also known as Lauren Stephanie Kohan MD.
Where is Lauren Zagaria located?
Lauren Zagaria practices at 70 W Main St, Oyster Bay, NY 11771. The listed phone number is (516) 922-1151.
What is Lauren Zagaria's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Lauren Zagaria enrolled in Medicare?
Yes. Lauren Zagaria 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 organizations bill Medicare for Lauren Zagaria's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Zagaria reassigns Medicare benefits to 3 organizations: North Shore-Lij Medical PC (Great Neck, NY), Southwest Suffolk Medical PC (Lindenhurst, NY) and Optum Medical Care, P.C. (Mount Kisco, NY). Each 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 Lauren Zagaria's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Lauren Zagaria affiliated with any hospitals?
According to CMS data, Lauren Zagaria is affiliated with North Shore University Hospital and Northwell Hospital Glen Cove.
When was this NPI record last updated?
The NPPES record for Lauren Zagaria was last updated on June 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.