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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SOON-JA KAOHIMAUNU APRN, PMHNP-BC
NPI 1659937878
Psychiatry & Neurology - Psychiatry in Kamuela, HI

Active since May 13, 2019PECOS EnrolledAccepts Medicare Assignment
65-1206 MAMALAHOA HWY STE 2-207, KAMUELA, HI 96743(808) 210-2111(800) 251-3870 Get Directions Write a Review

NPPES record last updated: September 25, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 25, 2026, Mar 21, 2026, Mar 13, 2026 and 10 more (13 updates tracked since 2019).

About Soon-ja Kaohimaunu Aprn, Pmhnp-bc NPPES

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

SOON-JA KAOHIMAUNU APRN, PMHNP-BC (NPI 1659937878) is an individual psychiatry provider in Kamuela, Hawaii, licensed in Hawaii (APRN-3489) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Honolulu, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1659937878
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameSOON-JA KAOHIMAUNUCredential: APRN, PMHNP-BC
Location Address65-1206 MAMALAHOA HWY STE 2-207Kamuela, HI 96743-7303
Mailing AddressPo Box 812Kamuela, HI 96743-0812 · (808) 210-2111 · Fax (800) 251-3870
Phone(808) 210-2111
Fax(800) 251-3870
Sole ProprietorYes
Medical School CMSOtherGraduated 2018
Enumeration DateMay 13, 2019
Last NPPES UpdateSeptember 25, 202613 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2026
✔ NPI 1659937878 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in HI · APRN-3489
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License APRN-3489 (HI)
65-1206 MAMALAHOA HWY STE 2-207, Kamuela, HI 96743
Open in Google Maps ↗

Other Names 1

Former Name (1)Soonja Tyrrell Aprn, Pmhnp-bc

Secondary Practice Location 1

Location 1928 Nuuanu Ave Lowr LevelHonolulu, HI 96817-5193 · Phone (808) 210-2111 · Fax (800) 251-3870

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, HMSA.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Soon-ja Kaohimaunu Aprn, Pmhnp-bc 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 ID1254667421
PECOS Enrollment IDI20220615002708
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 Reassignments

2

Medicare enrollment records show Soon-ja Kaohimaunu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aloha Mental Wellness LLC
Same address
Psychiatry
65-1206 MAMALAHOA HWY STE 2-207
Kamuela, HI 96743
  • Reassigned Medicare billing, Hawaii enrollment
  • 3 clinicians in this Medicare group
NPI 1811531338 (808) 210-2111
Five Mountains Hawaii, Inc
0.8 mi
Rural Health
64-1035 MAMALAHO HWY STE F
Kamuela, HI 96743
  • Reassigned Medicare billing, Hawaii enrollment
  • 14 clinicians in this Medicare group
NPI 1215359989 (808) 885-5900

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 96743 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
$180.05 typical visit price
range $60.53 – $180.05
Typical copayment $45.01 (range $15.13 – $45.01)
Most-billed visit code 99205
Established Patient
$74.92 typical visit price
range $20.09 – $147.56
Typical copayment $18.73 (range $5.02 – $36.89)
Most-billed visit code 99213
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.

ALOHA MENTAL WELLNESS LLC
Psychiatry & Neurology (Psychiatry)
65-1206 MAMALAHOA HWY STE 2-207
KAMUELA, HI 96743
Hawaii County (808) 210-2111

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 Soon-ja Kaohimaunu's NPI number?

The NPI number for Soon-ja Kaohimaunu is 1659937878. It was assigned to this individual provider in the NPPES registry on May 13, 2019. The provider is also known as Soonja Tyrrell Aprn, Pmhnp-Bc.

Where is Soon-ja Kaohimaunu located?

Soon-ja Kaohimaunu practices at 65-1206 Mamalahoa Hwy Ste 2-207, Kamuela, HI 96743. The listed phone number is (808) 210-2111.

What is Soon-ja Kaohimaunu's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Soon-ja Kaohimaunu enrolled in Medicare?

Yes. Soon-ja Kaohimaunu 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.

Which organizations bill Medicare for Soon-ja Kaohimaunu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Soon-ja Kaohimaunu reassigns Medicare benefits to 2 organizations: Aloha Mental Wellness LLC (Kamuela, HI) and Five Mountains Hawaii, Inc (Kamuela, HI). Each 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 Soon-ja Kaohimaunu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Soon-ja Kaohimaunu accept?

Health plans from Cigna Healthcare and HMSA list Soon-ja Kaohimaunu 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 Soon-ja Kaohimaunu was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.