Mark Dejong
NPI 1730618810 · Addiction (Substance Use Disorder) Counselor · Ames, IA
Mark Dejong is a Addiction (Substance Use Disorder) Counselor provider in Ames, IA (NPI 1730618810).
Provider details
- NPI number
- 1730618810
- 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
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
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
- 2017-06-12
- Last updated
- 2022-07-21
Frequently asked questions
- What is Mark Dejong's NPI number?
- Mark Dejong's National Provider Identifier (NPI) is 1730618810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Dejong's specialty?
- Mark Dejong is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Dejong located?
- Mark Dejong's practice location on file with NPPES is 420 Kellogg Ave, Ames, IA 50010-6226.
- What is Mark Dejong's phone number?
- The practice phone number listed in the NPPES registry for Mark Dejong is (515) 233-3141.
- Is Mark Dejong's NPI active?
- Yes — Mark Dejong's NPI (1730618810) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.