CINDY DEMETRIOU
NPI 1033592589
Nurse Practitioner - Adult Health in Commack, NY
About Cindy Demetriou NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CINDY DEMETRIOU (NPI 1033592589) is an individual adult health provider in Commack, New York, licensed in New York (307385) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2015).
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 (PECOS)
Cindy Demetriou is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Cindy Demetriou reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Commack, NY 11725
- Reassigned Medicare billing, New York enrollment
- 2 clinicians in this Medicare group
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Long Island Chiropractic, Physical Therapy + Nurse Practitioner In Adu
- 5 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11725 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COMMACK, NY 11725
COMMACK, NY 11725
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 Cindy Demetriou's NPI number?
The NPI number for Cindy Demetriou is 1033592589. It was assigned to this individual provider in the NPPES registry on July 1, 2015.
Where is Cindy Demetriou located?
Cindy Demetriou practices at 356 Veterans Memorial Hwy Suite 5, Commack, NY 11725. The listed phone number is (631) 858-0400.
What is Cindy Demetriou's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Cindy Demetriou enrolled in Medicare?
Yes. Cindy Demetriou is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Cindy Demetriou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cindy Demetriou reassigns Medicare benefits to 2 organizations: Mark Tieman, MD, PC (Commack, NY) and Long Island Chiropractic, Physical Therapy & Nurse Practitioner In Adult Health Of Smithtown, PLLC (Smithtown, 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 Cindy Demetriou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Cindy Demetriou was last updated on July 26, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Cindy Demetriou · NPI 1033592589
Adult Health physician in Commack, New York. Individual provider, active in the CMS NPPES registry since July 1, 2015.
## Identity
- **NPI:** 1033592589 (Entity type: Individual)
- **Enumerated:** July 1, 2015
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 307385 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 356 VETERANS MEMORIAL HWY, SUITE 5, Commack, NY 11725-4343
- **Phone:** (631) 858-0400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mark Tieman, MD, PC (NPI 1821375940, Commack, NY); Long Island Chiropractic, Physical Therapy & Nurse Practitioner In Adult Health Of Smithtown, PLLC (NPI 1013720713, Smithtown, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Stony Brook, School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** July 26, 2015
---
Source: [NPI Profile](https://npiprofile.com/npi/1033592589) · Data from the CMS NPPES public registry.