1. Home
  2. Directory
  3. New York
  4. East Islip
  5. Chiropractor
  6. NPI Profile

DR. TOM ANASTASIS GRANTIS D.C.
NPI 1053449876
Chiropractor in East Islip, NY

Active since March 01, 2007Accepts Medicare Assignment
280 E MAIN ST, EAST ISLIP, NY 11730(631) 224-3036(631) 224-4764 Get Directions Write a Review

NPPES record last updated: January 3, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 3, 2025, Jul 25, 2023 (2 updates tracked since 2023).

About Dr. Tom Anastasis Grantis D.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. TOM ANASTASIS GRANTIS D.C. (NPI 1053449876) is an individual chiropractor in East Islip, New York, licensed in New York (X012407-1) and active in the NPI registry since March 2007. He is a graduate of New York Chiropractic College (2002).

NPPES Registry Identity

NPI1053449876
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. TOM ANASTASIS GRANTISCredential: D.C.
Location Address280 E MAIN STEast Islip, NY 11730-2837
Mailing Address280 E Main StEast Islip, NY 11730-2837 · (631) 224-3036 · Fax (631) 224-4764
Phone(631) 224-3036
Fax(631) 224-4764
Sole ProprietorNo
Medical School CMSNew York Chiropractic CollegeGraduated 2002
Enumeration DateMarch 1, 2007
Last NPPES UpdateJanuary 3, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 3, 2025
✔ NPI 1053449876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
Licenses✔ Licensed in NY · X012407-1✔ Licensed in NJ · 38MC00609500
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
280 E MAIN ST, East Islip, NY 11730
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Tom Anastasis Grantis D.c. 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.

PECOS PAC ID1658358163
PECOS Enrollment IDI20170927000478

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ROBIN A STEIN D.C.
Chiropractor
280 E MAIN ST
EAST ISLIP, NY 11730
Suffolk County (631) 224-3036
DR. JOHN FRANCIS CHINNICI DC
Chiropractor
280 E MAIN ST
EAST ISLIP, NY 11730
Suffolk County (631) 581-5957

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 Tom Grantis's NPI number?

The NPI number for Tom Grantis is 1053449876. It was assigned to this individual provider in the NPPES registry on March 1, 2007.

Where is Tom Grantis located?

Tom Grantis practices at 280 E Main St, East Islip, NY 11730. The listed phone number is (631) 224-3036.

What is Tom Grantis's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Tom Grantis enrolled in Medicare?

Yes. Tom Grantis 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.

What insurance does Tom Grantis accept?

Health plans from Providence Health Plan list Tom Grantis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Tom Grantis was last updated on January 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.