Gary Willis
NPI 1558994681 · Addiction (Substance Use Disorder) Counselor · Columbus, OH
Gary Willis is a Addiction (Substance Use Disorder) Counselor provider in Columbus, OH (NPI 1558994681).
Provider details
- NPI number
- 1558994681
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 172764 (OH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2020-02-18
- Last updated
- 2020-02-18
- Certified
- 2020-02-18
Frequently asked questions
- What is Gary Willis's NPI number?
- Gary Willis's National Provider Identifier (NPI) is 1558994681, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Willis's specialty?
- Gary Willis is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Gary Willis located?
- Gary Willis's practice location on file with NPPES is 3290 Meridian Rd, Columbus, OH 43232-4079.
- What is Gary Willis's phone number?
- The practice phone number listed in the NPPES registry for Gary Willis is (614) 949-3296.
- Is Gary Willis's NPI active?
- Yes — Gary Willis's NPI (1558994681) is active in the NPPES registry as of the last update on 2020-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.