Mark Groff, D.C.
NPI 1336233683 · Chiropractor · Gallatin, TN
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Groff, D.C. is a Chiropractor provider in Gallatin, TN (NPI 1336233683).
Provider details
- NPI number
- 1336233683
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- DC1343 (TN)
Specialties & taxonomies
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
- 2006-10-03
- Last updated
- 2018-07-25
Frequently asked questions
- What is Mark Groff's NPI number?
- Mark Groff's National Provider Identifier (NPI) is 1336233683, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Groff's specialty?
- Mark Groff is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Mark Groff located?
- Mark Groff's practice location on file with NPPES is 1167 Nashville Pike, Gallatin, TN 37066.
- What is Mark Groff's phone number?
- The practice phone number listed in the NPPES registry for Mark Groff is (615) 451-3400.
- Does Mark Groff accept Medicare?
- Mark Groff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Groff's NPI active?
- Yes — Mark Groff's NPI (1336233683) is active in the NPPES registry as of the last update on 2018-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.