Matthew Walker
NPI 1720628498 · Addiction (Substance Use Disorder) Counselor · Clinton, IA
Matthew Walker is a Addiction (Substance Use Disorder) Counselor provider in Clinton, IA (NPI 1720628498).
Provider details
- NPI number
- 1720628498
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
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
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
- 2020-01-10
- Last updated
- 2020-03-05
- Certified
- 2020-03-05
Frequently asked questions
- What is Matthew Walker's NPI number?
- Matthew Walker's National Provider Identifier (NPI) is 1720628498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Walker's specialty?
- Matthew Walker is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Matthew Walker located?
- Matthew Walker's practice location on file with NPPES is 250 20th Ave N Ste 250, Clinton, IA 52732-2506.
- What is Matthew Walker's phone number?
- The practice phone number listed in the NPPES registry for Matthew Walker is (563) 242-2124.
- Is Matthew Walker's NPI active?
- Yes — Matthew Walker's NPI (1720628498) is active in the NPPES registry as of the last update on 2020-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.