Ryan Mcmahan, LCDC II
NPI 1689180457 · Addiction (Substance Use Disorder) Counselor · Dayton, OH
Ryan Mcmahan, LCDC II is a Addiction (Substance Use Disorder) Counselor provider in Dayton, OH (NPI 1689180457).
Provider details
- NPI number
- 1689180457
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LCDC II
- Sex
- Male
- Sole proprietor
- No
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
8 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2017-12-15
- Last updated
- 2017-12-15
Frequently asked questions
- What is Ryan Mcmahan's NPI number?
- Ryan Mcmahan's National Provider Identifier (NPI) is 1689180457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Mcmahan's specialty?
- Ryan Mcmahan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Ryan Mcmahan located?
- Ryan Mcmahan's practice location on file with NPPES is 2611 Wayne Ave, Dayton, OH 45420-1833.
- What is Ryan Mcmahan's phone number?
- The practice phone number listed in the NPPES registry for Ryan Mcmahan is (937) 256-7801.
- Is Ryan Mcmahan's NPI active?
- Yes — Ryan Mcmahan's NPI (1689180457) is active in the NPPES registry as of the last update on 2017-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.