Justin Marko, MS, LPC, CSAC, ICS
NPI 1841495215 · Professional Counselor · Janesville, WI
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Marko, MS, LPC, CSAC, ICS is a Professional Counselor provider in Janesville, WI (NPI 1841495215).
Provider details
- NPI number
- 1841495215
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- MS, LPC, CSAC, ICS
- Sex
- Male
- Sole proprietor
- No
- License
- 4580-125 (WI)
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
19 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
- 2007-06-18
- Last updated
- 2015-04-30
Frequently asked questions
- What is Justin Marko's NPI number?
- Justin Marko's National Provider Identifier (NPI) is 1841495215, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Marko's specialty?
- Justin Marko is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Justin Marko located?
- Justin Marko's practice location on file with NPPES is 15 W Milwaukee St, Janesville, WI 53548-2998.
- What is Justin Marko's phone number?
- The practice phone number listed in the NPPES registry for Justin Marko is (608) 755-1475.
- Does Justin Marko accept Medicare?
- Justin Marko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Marko's NPI active?
- Yes — Justin Marko's NPI (1841495215) is active in the NPPES registry as of the last update on 2015-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.