1. Home
  2. Directory
  3. Washington
  4. Longview
  5. Nurse Practitioner
  6. NPI Profile

AIMEE GWYN MAMICH PMHNP-BC, MSN, RN
NPI 1093607426
Nurse Practitioner - Psychiatric/Mental Health in Longview, WA

Active since July 18, 2025PECOS Enrolled
831 12TH AVE, LONGVIEW, WA 98632(360) 998-2349(360) 998-2887 Get Directions Write a Review

NPPES record last updated: December 2, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Aimee Gwyn Mamich Pmhnp-bc, Msn, Rn NPPES

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

AIMEE GWYN MAMICH PMHNP-BC, MSN, RN (NPI 1093607426) is an individual psychiatric/mental health provider in Longview, Washington, licensed in Washington (AP61680020) and active in the NPI registry since July 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1093607426
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameAIMEE GWYN MAMICHCredential: PMHNP-BC, MSN, RN
Location Address831 12TH AVELongview, WA 98632-2403
Mailing Address1057 12th AveLongview, WA 98632-2509 · (360) 998-2349
Phone(360) 998-2349
Fax(360) 998-2887
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateJuly 18, 2025
Last NPPES UpdateDecember 2, 2025
NPPES CertifiedDecember 2, 2025
✔ NPI 1093607426 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in WA · AP61680020
831 12TH AVE, Longview, WA 98632
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Aimee Gwyn Mamich Pmhnp-bc, Msn, Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7012402753
PECOS Enrollment IDI20251219003071
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.

Medicare Billing Reassignment

Medicare enrollment records show Aimee Mamich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cowlitz Family Health Center
Same address
Federally Qualified Health Center (FQHC)
831 12TH AVE
Longview, WA 98632
  • Reassigned Medicare billing, Washington enrollment
  • 18 clinicians in this Medicare group
NPI 1609524164 (360) 998-2357

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98632 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

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

MRS. CARLA VICTORIA DELCAMBRE ARNP
Nurse Practitioner (Psychiatric/Mental Health)
831 12TH AVE
LONGVIEW, WA 98632
Cowlitz County (360) 998-2349
RICHARD DAVIS LMP
Massage Therapist
831 12TH AVE
LONGVIEW, WA 98632
Cowlitz County (360) 636-2470
JEANNE FISCHER MCKEE PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
831 12TH AVE
LONGVIEW, WA 98632
Cowlitz County (360) 998-2349
DR. C J BARTNESS D.C.
Chiropractor
831 12TH AVE
LONGVIEW, WA 98632
Cowlitz County (360) 636-2470
HEIDI CARMODY
Counselor
831 12TH AVE
LONGVIEW, WA 98632
Cowlitz County (360) 998-2349
COWLITZ FAMILY HEALTH CENTER
Clinic/Center (Federally Qualified Health Center (FQHC))
831 12TH AVE
LONGVIEW, WA 98632
Cowlitz County (360) 998-2357
SUMMIT CHIROPRACTIC LLC
Chiropractor
831 12TH AVE
LONGVIEW, WA 98632
Cowlitz County (360) 575-9155
STEPHANIE DIANNE BAXTER
Social Worker
831 12TH AVE
LONGVIEW, WA 98632
Cowlitz County (360) 998-2349

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 Aimee Mamich's NPI number?

The NPI number for Aimee Mamich is 1093607426. It was assigned to this individual provider in the NPPES registry on July 18, 2025.

Where is Aimee Mamich located?

Aimee Mamich practices at 831 12th Ave, Longview, WA 98632. The listed phone number is (360) 998-2349.

What is Aimee Mamich's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Aimee Mamich enrolled in Medicare?

Yes. Aimee Mamich is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Aimee Mamich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aimee Mamich reassigns Medicare benefits to Cowlitz Family Health Center (Longview, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aimee Mamich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aimee Mamich accept?

Health plans from Moda Health Plan, Inc. and Premera Blue Cross Blue Shield of Alaska list Aimee Mamich 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 Aimee Mamich was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.