IndividualActive
Gary Barker, D.C.
NPI 1710920004 · Chiropractor · Portland, TN
Gary Barker, D.C. is a Chiropractor provider in Portland, TN (NPI 1710920004).
Provider details
- NPI number
- 1710920004
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- License
- DC0000001447 (TN)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
826 S Broadway
Portland, TN 37148-1622
Phone: (615) 323-0130
Fax: (615) 323-0136
Street-level locationGet directions
Mailing address
Po Box 247
Portland, TN 37148-0247
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gary Barker's NPI number?
- Gary Barker's National Provider Identifier (NPI) is 1710920004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Barker's specialty?
- Gary Barker is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Gary Barker located?
- Gary Barker's practice location on file with NPPES is 826 S Broadway, Portland, TN 37148-1622.
- What is Gary Barker's phone number?
- The practice phone number listed in the NPPES registry for Gary Barker is (615) 323-0130.
- Is Gary Barker's NPI active?
- Yes — Gary Barker's NPI (1710920004) 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.