Michael Gilliam
NPI 1598923658 · Hearing Instrument Specialist · Texarkana, TX
Michael Gilliam is a Hearing Instrument Specialist provider in Texarkana, TX (NPI 1598923658).
Provider details
- NPI number
- 1598923658
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 50382 (TX)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-05-27
- Last updated
- 2008-05-27
Frequently asked questions
- What is Michael Gilliam's NPI number?
- Michael Gilliam's National Provider Identifier (NPI) is 1598923658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Gilliam's specialty?
- Michael Gilliam is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Michael Gilliam located?
- Michael Gilliam's practice location on file with NPPES is 1315 Walnut St, Texarkana, TX 75501-4446.
- What is Michael Gilliam's phone number?
- The practice phone number listed in the NPPES registry for Michael Gilliam is (903) 794-3767.
- Is Michael Gilliam's NPI active?
- Yes — Michael Gilliam's NPI (1598923658) is active in the NPPES registry as of the last update on 2008-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.