Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Seth Greiner, MSPT

Individual provider Physical Therapist · NPI 1215907449

Mr. Seth Greiner, MSPT is registered under Physical Therapist in Private Practice in East Quogue, New York. Qualified in 2005, 21 years ago. Practices with Seth Greiner PT PLLC, a 6-clinician group and accepts Medicare assignment. Licensed in New Jersey and New York.

Years since qualifying
21
Licensed in
NJ, NY
In the registry since
2006
Specialties on file
2
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Practice location Address checks out

4 Eisenhower Dr
East Quogue, NY 11942-4730 Not confirmed with CMS for 11 years — call before visiting
Phone: (617) 319-6367
Fax: (617) 319-6367
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence 027028-1 (NY)
Physical Therapist Taxonomy 225100000X · Licence 40QA01277900 (NJ)

Record details

NPI number1215907449
Entity typeIndividual (Type 1)
GenderMale
Credentials MSPT
Sole proprietorNo
NPI enumeratedJanuary 23, 2006
Last updated in NPPESApril 3, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Seth Greiner Pt Pllc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients129
Services billed 3,504 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Seth Greiner PT PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.

Other providers in East Quogue