PETER K MUIGAI RN
NPI 1114552148
Nurse Practitioner - Psychiatric/Mental Health in Lacey, WA

Active since March 10, 2020PECOS Enrolled
5527 TOPAZ ST SE, LACEY, WA 98513(253) 929-4545 Get Directions Write a Review

NPPES record last updated: March 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 12, 2026, Mar 10, 2020 (2 updates tracked since 2020).

About Peter K Muigai Rn NPPES

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

PETER K MUIGAI RN (NPI 1114552148) is an individual psychiatric/mental health provider in Lacey, Washington, licensed in Washington (AP70065231) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1114552148
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NamePETER K MUIGAICredential: RN
Location Address5527 TOPAZ ST SELacey, WA 98513-6439
Mailing Address33350 20th Ave SFederal Way, WA 98003-6838 · (253) 929-4545
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 10, 2020
Last NPPES UpdateMarch 12, 20262 updates tracked since enumeration
NPPES CertifiedMarch 12, 2026
✔ NPI 1114552148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in WA · AP70065231
Also ListedRegistered NurseTaxonomy 163W00000X · License RN60274410 (WA)
5527 TOPAZ ST SE, Lacey, WA 98513

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Peter K Muigai Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1456836204
PECOS Enrollment IDI20260330002128
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 Peter Muigai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psychiatric/Mental Health
4630 200TH ST SW STE F
Lynnwood, WA 98036
  • Reassigned Medicare billing, Washington enrollment
  • 12 clinicians in this Medicare group

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 98513 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

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

Registered Nurse
5527 TOPAZ ST SE
LACEY, WA 98513

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 Peter Muigai's NPI number?

The NPI number for Peter Muigai is 1114552148. It was assigned to this individual provider in the NPPES registry on March 10, 2020.

Where is Peter Muigai located?

Peter Muigai practices at 5527 Topaz St SE, Lacey, WA 98513. The listed phone number is (253) 929-4545.

What is Peter Muigai's specialty?

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

Is Peter Muigai enrolled in Medicare?

Yes. Peter Muigai is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Peter Muigai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Muigai reassigns Medicare benefits to New Era Mental Health PLLC (Lynnwood, 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 Peter Muigai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter Muigai accept?

Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Peter Muigai 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 Peter Muigai was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.