HELEN DENNISTON P.T.
NPI 1205972999
Physical Therapist in Eastport, NY
About Helen Denniston P.t. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HELEN DENNISTON P.T. (NPI 1205972999) is an individual physical therapist in Eastport, New York, licensed in New York (007840-1) and active in the NPI registry since January 2007.
NPPES Registry Identity
Specialties & Licenses
- Diagnose and manage movement dysfunction and enhance physical and functional abilities.
- Restore, maintain, and promote not only optimal physical function but optimal wellness and fitness and optimal quality of life as it relates to movement and health.
- Prevent the onset, symptoms, and progression of impairments, functional limitations, and disabilities that may result from diseases, disorders, conditions, or injuries.
- Treat conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems.
- Address the negative effects attributable to unique personal and environmental factors as they relate to human performance.
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Helen Denniston P.t. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Helen Denniston reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Holbrook, NY 11741
- Reassigned Medicare billing, New York enrollment
- 66 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.
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 Helen Denniston's NPI number?
The NPI number for Helen Denniston is 1205972999. It was assigned to this individual provider in the NPPES registry on January 29, 2007.
Where is Helen Denniston located?
Helen Denniston practices at 52 N Bay Ave, Eastport, NY 11941. The listed phone number is (631) 325-1824.
What is Helen Denniston's specialty?
The primary specialty registered for this NPI is Physical Therapist with taxonomy code 225100000X.
Is Helen Denniston enrolled in Medicare?
Yes. Helen Denniston is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Helen Denniston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Helen Denniston reassigns Medicare benefits to Medcare Therapy Services:physical, Occupational & Massage Therapy,pllc (Holbrook, NY). The 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 Helen Denniston'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 Helen Denniston was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.