Marshall Harmon, DC
NPI 1396492807 · Chiropractor · Houston, TX
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marshall Harmon, DC is a Chiropractor provider in Houston, TX (NPI 1396492807).
Provider details
- NPI number
- 1396492807
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 14862 (TX)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-03-04
- Last updated
- 2022-03-04
- Certified
- 2022-03-04
Frequently asked questions
- What is Marshall Harmon's NPI number?
- Marshall Harmon's National Provider Identifier (NPI) is 1396492807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Harmon's specialty?
- Marshall Harmon is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Marshall Harmon located?
- Marshall Harmon's practice location on file with NPPES is 767 N Shepherd Dr, Houston, TX 77007-1338.
- What is Marshall Harmon's phone number?
- The practice phone number listed in the NPPES registry for Marshall Harmon is (713) 320-2450.
- Does Marshall Harmon accept Medicare?
- Marshall Harmon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marshall Harmon's NPI active?
- Yes — Marshall Harmon's NPI (1396492807) is active in the NPPES registry as of the last update on 2022-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.