Quick answers
- Where does Justin J. Marko see patients?
- Medicare's clinician data lists 1 practice location in Janesville, WI. Call before your visit to confirm the address.
- What is Justin J. Marko's specialty?
- Medicare lists Mental Health Counselor as the primary specialty.
- Does Justin J. Marko accept Medicare assignment?
- Yes. Medicare's clinician data says Justin J. Marko accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Justin J. Marko?
- (608) 752-7255, as listed in official Medicare / NPI Registry data.
- What is Justin J. Marko's NPI number?
- 1841495215. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Justin J. Marko is enrolled with Medicare (CMS data updated 2026-10-02).
- 4700 Dresser Dr, Suite 100Janesville, WI 53546 (608) 752‑7255
Group practices
Medicare enrollment lists Justin J. Marko as a member of this group (CMS data updated 2026-10-02).
- Associates in Psychotherapy LLC10 clinicians in the group
Specialties
- Mental Health Counselorprimary
Other mental health counselors in Janesville
Clinicians with the same Medicare primary specialty in Janesville, WI — not a recommendation.
Clinician information
| Graduation year | 2012 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841495215 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians