William Maddox, LSW, LICDC
NPI 1629421417 · Addiction (Substance Use Disorder) Counselor · Cleveland, OH
William Maddox, LSW, LICDC is a Addiction (Substance Use Disorder) Counselor provider in Cleveland, OH (NPI 1629421417).
Provider details
- NPI number
- 1629421417
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LSW, LICDC
- Sex
- Male
- Sole proprietor
- Yes
- License
- S1302263 (OH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
9 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
- 2016-07-18
- Last updated
- 2018-06-28
Frequently asked questions
- What is William Maddox's NPI number?
- William Maddox's National Provider Identifier (NPI) is 1629421417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Maddox's specialty?
- William Maddox is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is William Maddox located?
- William Maddox's practice location on file with NPPES is 8411 Broadway Ave, Cleveland, OH 44105.
- What is William Maddox's phone number?
- The practice phone number listed in the NPPES registry for William Maddox is (216) 206-5201.
- Is William Maddox's NPI active?
- Yes — William Maddox's NPI (1629421417) is active in the NPPES registry as of the last update on 2018-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.