Mark Fenner
NPI 1730617804 · Mental Health Counselor · Siloam Springs, AR
Mark Fenner is a Mental Health Counselor provider in Siloam Springs, AR (NPI 1730617804).
Provider details
- NPI number
- 1730617804
- Entity type
- Individual
- Primary specialty
- Mental Health 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
- 2017-06-01
- Last updated
- 2017-06-01
Frequently asked questions
- What is Mark Fenner's NPI number?
- Mark Fenner's National Provider Identifier (NPI) is 1730617804, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Fenner's specialty?
- Mark Fenner is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Fenner located?
- Mark Fenner's practice location on file with NPPES is 827 W Harvard St, Siloam Springs, AR 72761-4013.
- What is Mark Fenner's phone number?
- The practice phone number listed in the NPPES registry for Mark Fenner is (479) 549-3121.
- Is Mark Fenner's NPI active?
- Yes — Mark Fenner's NPI (1730617804) is active in the NPPES registry as of the last update on 2017-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.