Tom Anastasis Grantis, D.C.
Chiropractor · East Islip, NY
Tom Anastasis Grantis, D.C. is a chiropractor with a practice address in East Islip, New York, and NPI 1053449876, issued on Mar 1, 2007. Check the license (New York X012407-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tom Anastasis Grantis
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License numbers
- X012407-1 NY
38MC00609500 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 280 E Main St, East Islip, NY 11730
- Phone
- (631) 224-3036
- Enumerated
- Mar 1, 2007
- Record last updated
- Jan 3, 2025
- Fax
- (631) 224-4764
- Medicare enrollment
- Enrolled (PECOS I20170927000478); accepts Medicare assignment
- Medical or professional school
- New York Chiropractic College, 2002
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 4,573 in New York → Look up another NPI →
Also registered at 280 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Chinnici, DCChiropractor1841377181
- Robin Stein, D.C.Chiropractor1205964541
Verify Tom Anastasis Grantis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license X012407-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Robin Stein DC PCEast Islip, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tom Anastasis Grantis among 4,573 chiropractor records in New York
Tom Anastasis Grantis, D.C. is one of 4,573 chiropractor records with a practice address in New York. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 37% newer
- In a Medicare fileYes · 13% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated2002 · median 1997 among the 1,633 with a school on file
- Record last updated2025 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 chiropractor records list a practice address in East Islip
They are 7 of the 355 NPPES records with a practice address in East Islip, and 4,573 chiropractor records in New York.
All 4,573 in New York → Every provider in East Islip → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Anthony Castellino, D.C., C.C.S.P.East Islip, NY 117301245220334
- John Chinnici, DCEast Islip, NY 117301841377181
- Diana Dangelo, D.C.East Islip, NY 117301346596293
- Victor Gremli, DCEast Islip, NY 117301902977549
- Zachary Nowicki, DCEast Islip, NY 117301922663095
- Robin Stein, D.C.East Islip, NY 117301205964541
- Scott Bauman, D.C.East Northport, NY 117311013002062
- Valiant Dia, D.C.East Northport, NY 117311174656391
Common questions
What is Tom Anastasis Grantis, D.C.'s NPI number?
Tom Anastasis Grantis, D.C.'s National Provider Identifier (NPI) is 1053449876, issued on Mar 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Tom Anastasis Grantis, D.C. located?
The NPPES record lists a practice address at 280 E Main St, East Islip, NY, 11730. Phone: (631) 224-3036. Providers update this record themselves, so call before visiting.
How can I verify Tom Anastasis Grantis, D.C.'s license?
NPPES lists New York license number X012407-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.