DR. VASILEIOS KOSTARAS MD
NPI 1144487968
Student in an Organized Health Care Education/Training Program in Stony Brook, NY
About Dr. Vasileios Kostaras Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. VASILEIOS KOSTARAS MD (NPI 1144487968) is an individual student in an organized health care education/training program in Stony Brook, New York, licensed in New York (256798) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Holy Name Medical Center, and is a graduate of Other (1995).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Vasileios Kostaras Md 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
4Medicare enrollment records show Vasileios Kostaras reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 623 clinicians in this Medicare group
Clifton, NJ 07013
- Reassigned Medicare billing, New Jersey enrollment
Newark, NJ 07102
- Reassigned Medicare billing, New Jersey enrollment
- 112 clinicians in this Medicare group
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 2,844 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
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Holy Name Medical Center
Acute Care Hospitals · Teaneck, NJClara Maass Medical Center
Acute Care Hospitals · Belleville, NJValley Hospital
Acute Care Hospitals · Paramus, NJSaint Michael's Medical Center
Acute Care Hospitals · Newark, NJHudson Regional Hospital
Acute Care Hospitals · Secaucus, NJOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
MOUNT SINDAI, NY 11794
STONY BROOK, NY 11794
STONY BROOK, NY 11794
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 Vasileios Kostaras's NPI number?
The NPI number for Vasileios Kostaras is 1144487968. It was assigned to this individual provider in the NPPES registry on May 20, 2008.
Where is Vasileios Kostaras located?
Vasileios Kostaras practices at 101 Nicolls Road Hsc 19, Stony Brook, NY 11794. The listed phone number is (631) 444-1791.
What is Vasileios Kostaras's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Vasileios Kostaras enrolled in Medicare?
Yes. Vasileios Kostaras 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 Vasileios Kostaras's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vasileios Kostaras reassigns Medicare benefits to 4 organizations: Metropolitan Medical Practice Plan PC (New York, NY), Evidence Based Surgery, LLC (Clifton, NJ), Central Avenue Professional Services, PC (Newark, NJ) and Hackensack Meridian Health Medical Group - Specialty Care PC (Red Bank, NJ). 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 Vasileios Kostaras's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Vasileios Kostaras affiliated with any hospitals?
According to CMS data, Vasileios Kostaras is affiliated with Holy Name Medical Center, Clara Maass Medical Center, Valley Hospital, Saint Michael's Medical Center and Hudson Regional Hospital.
When was this NPI record last updated?
The NPPES record for Vasileios Kostaras was last updated on August 21, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.