Marissa Duncan, LPC
NPI 1134995152 · Professional Counselor · Port Washington, WI
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Duncan, LPC is a Professional Counselor provider in Port Washington, WI (NPI 1134995152).
Provider details
- NPI number
- 1134995152
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LPC
- Sex
- Female
- Sole proprietor
- No
- License
- 11237-125 (WI)
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
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 2727 N Grandview Blvd Ste 203Waukesha, WI 53188-1671Phone: (262) 547-5567Fax: (262) 421-5477
Registry dates
- Enumerated
- 2023-11-30
- Last updated
- 2025-09-15
- Certified
- 2025-09-15
Frequently asked questions
- What is Marissa Duncan's NPI number?
- Marissa Duncan's National Provider Identifier (NPI) is 1134995152, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Duncan's specialty?
- Marissa Duncan is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Marissa Duncan located?
- Marissa Duncan's practice location on file with NPPES is 1317 W Grand Ave Ste 6, Port Washington, WI 53074-2075.
- What is Marissa Duncan's phone number?
- The practice phone number listed in the NPPES registry for Marissa Duncan is (262) 427-8905.
- Does Marissa Duncan accept Medicare?
- Marissa Duncan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Duncan's NPI active?
- Yes — Marissa Duncan's NPI (1134995152) is active in the NPPES registry as of the last update on 2025-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.