MARIA BROUNTZAS M.D.
NPI 1548266471
Internal Medicine in Manhasset, NY
About Maria Brountzas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA BROUNTZAS M.D. (NPI 1548266471) is an individual internal medicine provider in Manhasset, New York, licensed in New York (204113) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Maria Brountzas 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 Maria Brountzas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Manhasset, NY 11030
- Reassigned Medicare billing, New York enrollment
- 99 clinicians in this Medicare group
Roslyn, NY 11576
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Chs Physician Partners PC
- 944 clinicians in this Medicare group
Wantagh, NY 11793
- Reassigned Medicare billing, New York enrollment
- 572 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 16
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore University Hospital
Acute Care Hospitals · Manhasset, NYSt Francis Hospital - The Heart Center
Acute Care Hospitals · Roslyn, NYSt Charles Hospital
Acute Care Hospitals · Port Jefferson, NYMercy Medical Center
Acute Care Hospitals · Rockville Centre, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MANHASSET, NY 11030
MANHASSET, NY 11030
MANHASSET, NY 11030
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 Maria Brountzas's NPI number?
The NPI number for Maria Brountzas is 1548266471. It was assigned to this individual provider in the NPPES registry on June 24, 2005.
Where is Maria Brountzas located?
Maria Brountzas practices at 1615 Northern Blvd, Manhasset, NY 11030. The listed phone number is (516) 627-3717.
What is Maria Brountzas's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Maria Brountzas enrolled in Medicare?
Yes. Maria Brountzas 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 Maria Brountzas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Brountzas reassigns Medicare benefits to 3 organizations: Mount Sinai School Of Medicine (Manhasset, NY), Chs Physician Partners, P.C (Roslyn, NY) and North Shore Medical Group Of The Mount Sinai School Of Medicine (Wantagh, 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 Maria Brountzas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Maria Brountzas affiliated with any hospitals?
According to CMS data, Maria Brountzas is affiliated with North Shore University Hospital, St Francis Hospital - The Heart Center, St Charles Hospital and Mercy Medical Center.
When was this NPI record last updated?
The NPPES record for Maria Brountzas was last updated on December 4, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.