DR. AYSE MELTEM AVCIOGLU M.D.
NPI 1811126642
Emergency Medicine in Stony Brook, NY
About Dr. Ayse Meltem Avcioglu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AYSE MELTEM AVCIOGLU M.D. (NPI 1811126642) is an individual emergency medicine provider in Stony Brook, New York, licensed in New York (272416-1) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS, is affiliated with John T Mather Memorial Hospital Of Port Jefferson, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
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. Ayse Meltem Avcioglu 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
5Medicare enrollment records show Ayse Avcioglu reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Port Jefferson, NY 11777
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1467249334 (New York)
- 232 clinicians in this Medicare group
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Siena Emergency Medical Services PC
- 55 clinicians in this Medicare group
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Far Rockaway, NY 11691
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Island Emergency Medical Services PC
- 290 clinicians in this Medicare group
Yonkers, NY 10701
- Reassigned Medicare billing, New York enrollment
- 63 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 6
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.
John T Mather Memorial Hospital Of Port Jefferson
Acute Care Hospitals · Port Jefferson, NYSt Catherine Of Siena Hospital Medical Center
Acute Care Hospitals · Smithtown, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11794 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 3
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
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 Ayse Avcioglu's NPI number?
The NPI number for Ayse Avcioglu is 1811126642. It was assigned to this individual provider in the NPPES registry on July 14, 2009.
Where is Ayse Avcioglu located?
Ayse Avcioglu practices at Stony Brook Medicine Dept Of Emergency Hsc, Level 4, Room 080, Stony Brook, NY 11794. The listed phone number is (631) 444-2478.
What is Ayse Avcioglu's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ayse Avcioglu enrolled in Medicare?
Yes. Ayse Avcioglu 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 Ayse Avcioglu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ayse Avcioglu reassigns Medicare benefits to 5 organizations: John T. Mather Memorial Hospital (Port Jefferson, NY), Siena Emergency Medical Services, P.C. (Smithtown, NY), North Shore-Lij Medical PC (Great Neck, NY), Island Emergency Medical Services, P.C. (Far Rockaway, NY) and Park Hill Emergency Physician Services (Yonkers, 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 Ayse Avcioglu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ayse Avcioglu affiliated with any hospitals?
According to CMS data, Ayse Avcioglu is affiliated with John T Mather Memorial Hospital Of Port Jefferson and St Catherine Of Siena Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Ayse Avcioglu was last updated on March 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Ayse Meltem Avcioglu, M.D. · NPI 1811126642
Emergency Medicine physician in Stony Brook, New York. Individual provider, active in the CMS NPPES registry since July 14, 2009.
## Identity
- **NPI:** 1811126642 (Entity type: Individual)
- **Enumerated:** July 14, 2009
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 272416-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** STONY BROOK MEDICINE DEPT OF EMERGENCY, HSC, LEVEL 4, ROOM 080, Stony Brook, NY 11794-8350
- **Phone:** (631) 444-2478
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): John T. Mather Memorial Hospital (NPI 1285920231, Port Jefferson, NY); Siena Emergency Medical Services, P.C. (NPI 1356507099, Smithtown, NY); North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY); Island Emergency Medical Services, P.C. (NPI 1639160385, Far Rockaway, NY); Park Hill Emergency Physician Services (NPI 1396123360, Yonkers, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** March 6, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1811126642) · Data from the CMS NPPES public registry.