Mark Gremillion, OT
NPI 1134284557 · Occupational Therapist · Jennings, LA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Gremillion, OT is a Occupational Therapist provider in Jennings, LA (NPI 1134284557).
Provider details
- NPI number
- 1134284557
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OT
- Sex
- Male
- Sole proprietor
- No
- License
- Z10533 (LA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service 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
- 2006-12-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Gremillion's NPI number?
- Mark Gremillion's National Provider Identifier (NPI) is 1134284557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gremillion's specialty?
- Mark Gremillion is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mark Gremillion located?
- Mark Gremillion's practice location on file with NPPES is 2002 Johnson St Ste 100, Jennings, LA 70546-3646.
- What is Mark Gremillion's phone number?
- The practice phone number listed in the NPPES registry for Mark Gremillion is (337) 824-4547.
- Does Mark Gremillion accept Medicare?
- Mark Gremillion is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Gremillion's NPI active?
- Yes — Mark Gremillion's NPI (1134284557) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.