Dennis Gruwell, M.D.
NPI 1932247715 · Occupational Medicine Physician · Hahnville, LA
Dennis Gruwell, M.D. is a Occupational Medicine Physician provider in Hahnville, LA (NPI 1932247715).
Provider details
- NPI number
- 1932247715
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 08024R (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2007-02-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Dennis Gruwell's NPI number?
- Dennis Gruwell's National Provider Identifier (NPI) is 1932247715, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Gruwell's specialty?
- Dennis Gruwell is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Gruwell located?
- Dennis Gruwell's practice location on file with NPPES is Dow Chemical Highway 3142, Hahnville, LA 70057.
- What is Dennis Gruwell's phone number?
- The practice phone number listed in the NPPES registry for Dennis Gruwell is (985) 783-4590.
- Is Dennis Gruwell's NPI active?
- Yes — Dennis Gruwell's NPI (1932247715) 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.