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MARISSA ALEXANDRA DUNCAN LPC
NPI 1134995152
Counselor - Professional in Port Washington, WI

Active since November 30, 2023PECOS EnrolledAccepts Medicare Assignment
1317 W GRAND AVE STE 6, PORT WASHINGTON, WI 53074(262) 427-8905 Get Directions Write a Review

NPPES record last updated: September 15, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 15, 2025, Dec 4, 2024 (2 updates tracked since 2024).

About Marissa Alexandra Duncan Lpc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARISSA ALEXANDRA DUNCAN LPC (NPI 1134995152) is an individual professional provider in Port Washington, Wisconsin, licensed in Wisconsin (11237-125) and active in the NPI registry since November 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Waukesha, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1134995152
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameMARISSA ALEXANDRA DUNCANCredential: LPC
Location Address1317 W GRAND AVE STE 6Port Washington, WI 53074-2075
Mailing Address4800 N Scottsdale Rd Ste 2500Scottsdale, AZ 85251-7630 · (262) 427-8905
Phone(262) 427-8905
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateNovember 30, 2023
Last NPPES UpdateSeptember 15, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2025
✔ NPI 1134995152 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in WI · 11237-125
1317 W GRAND AVE STE 6, Port Washington, WI 53074
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Secondary Practice Location 1

Location 12727 N Grandview Blvd Ste 203Waukesha, WI 53188-1671 · Phone (262) 547-5567 · Fax (262) 421-5477

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), HealthPartners and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marissa Alexandra Duncan Lpc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8022557412
PECOS Enrollment IDI20240829001472
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AUSTIN SCHULTZ LPC
Counselor (Professional)
1317 W GRAND AVE STE 6
PORT WASHINGTON, WI 53074
Ozaukee County (262) 427-8905
MRS. CAROL L RAMOS LPC
Counselor (Professional)
1317 W GRAND AVE STE 6
PORT WASHINGTON, WI 53074
Ozaukee County (262) 999-3495
MS. KALLYN HEIGES LPC
Counselor (Professional)
1317 W GRAND AVE STE 6
PORT WASHINGTON, WI 53074
Ozaukee County (262) 427-8905
MRS. BETH ANN STRICKLAND LMFT
Marriage & Family Therapist
1317 W GRAND AVE STE 6
PORT WASHINGTON, WI 53074
Ozaukee County (262) 427-8905
JAMIE M FREUND LPC
Counselor (Professional)
1317 W GRAND AVE STE 6
PORT WASHINGTON, WI 53074
Ozaukee County (262) 427-8905
SHANNON BROEKER LPC
Counselor (Professional)
1317 W GRAND AVE STE 6
PORT WASHINGTON, WI 53074
Ozaukee County (262) 427-8905
BRITTANY SCHWARTEN LCSW
Social Worker (Clinical)
1317 W GRAND AVE STE 6
PORT WASHINGTON, WI 53074
Ozaukee County (624) 278-9052
DAWN WITTIG APNP
Nurse Practitioner (Psychiatric/Mental Health)
1317 W GRAND AVE STE 6
PORT WASHINGTON, WI 53074
Ozaukee County (262) 427-8905

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marissa Duncan's NPI number?

The NPI number for Marissa Duncan is 1134995152. It was assigned to this individual provider in the NPPES registry on November 30, 2023.

Where is Marissa Duncan located?

Marissa Duncan practices at 1317 W Grand Ave Ste 6, Port Washington, WI 53074. The listed phone number is (262) 427-8905.

What is Marissa Duncan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Marissa Duncan enrolled in Medicare?

Yes. Marissa Duncan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Marissa Duncan accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), HealthPartners, Medica and Network Health and 2 other insurers list Marissa Duncan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marissa Duncan was last updated on September 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.