Mark Fossie, MS, LMFT, CSAC, ICS
NPI 1114145612 · Marriage & Family Therapist · Milwaukee, WI
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Fossie, MS, LMFT, CSAC, ICS is a Marriage & Family Therapist provider in Milwaukee, WI (NPI 1114145612).
Provider details
- NPI number
- 1114145612
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MS, LMFT, CSAC, ICS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 14971-132 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2007-04-23
- Last updated
- 2025-09-11
Frequently asked questions
- What is Mark Fossie's NPI number?
- Mark Fossie's National Provider Identifier (NPI) is 1114145612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Fossie's specialty?
- Mark Fossie is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mark Fossie located?
- Mark Fossie's practice location on file with NPPES is 2821 N 4th St, Milwaukee, WI 53212-2362.
- What is Mark Fossie's phone number?
- The practice phone number listed in the NPPES registry for Mark Fossie is (414) 263-6000.
- Does Mark Fossie accept Medicare?
- Mark Fossie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Fossie's NPI active?
- Yes — Mark Fossie's NPI (1114145612) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.