Tom Grantis, D.C.
NPI 1053449876 · Chiropractor · East Islip, NY
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tom Grantis, D.C. is a Chiropractor provider in East Islip, NY (NPI 1053449876).
Provider details
- NPI number
- 1053449876
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- No
- License
- X012407-1 (NY)
Specialties & taxonomies
Chiropractic Providers
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-01
- Last updated
- 2025-01-03
- Certified
- 2025-01-03
Frequently asked questions
- What is Tom Grantis's NPI number?
- Tom Grantis's National Provider Identifier (NPI) is 1053449876, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tom Grantis's specialty?
- Tom Grantis is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Tom Grantis located?
- Tom Grantis's practice location on file with NPPES is 280 E Main St, East Islip, NY 11730-2837.
- What is Tom Grantis's phone number?
- The practice phone number listed in the NPPES registry for Tom Grantis is (631) 224-3036.
- Does Tom Grantis accept Medicare?
- Tom Grantis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tom Grantis's NPI active?
- Yes — Tom Grantis's NPI (1053449876) is active in the NPPES registry as of the last update on 2025-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.