JOANNE WILLIAMS APRN, PMHNP-BC, RN
NPI 1154198729
Nurse Practitioner - Psychiatric/Mental Health in Honolulu, HI

Active since December 05, 2023PECOS Enrolled
438 HOBRON LN, HONOLULU, HI 96815(808) 941-9648(808) 204-9798 Get Directions Write a Review

NPPES record last updated: December 26, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 26, 2024, May 17, 2024, Dec 5, 2023 (3 updates tracked since 2023).

About Joanne Williams Aprn, Pmhnp-bc, Rn NPPES

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

JOANNE WILLIAMS APRN, PMHNP-BC, RN (NPI 1154198729) is an individual psychiatric/mental health provider in Honolulu, Hawaii, licensed in Hawaii (APRN-4372-0) and active in the NPI registry since December 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in Honolulu.

NPPES Registry Identity

NPI1154198729
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameJOANNE WILLIAMSCredential: APRN, PMHNP-BC, RN
Location Address438 HOBRON LNHonolulu, HI 96815-1233
Mailing AddressPo Box 88041Honolulu, HI 96830-8041 · (808) 489-9181 · Fax (808) 437-7741
Fax(808) 204-9798
Sole ProprietorNo
Enumeration DateDecember 5, 2023
Last NPPES UpdateDecember 26, 20243 updates tracked since enumeration
NPPES CertifiedDecember 26, 2024
✔ NPI 1154198729 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 HI · APRN-4372-0
438 HOBRON LN, Honolulu, HI 96815

Secondary Practice Location 1

Location 1PO Box 88041Honolulu, HI 96830-8041 · Phone (808) 489-9181 ext. 1001 · Fax (808) 437-7741

Other Identifiers 1

OtherAPRN-4372-0HI · Aprn License

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)

Joanne Williams Aprn, Pmhnp-bc, Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

4

Medicare enrollment records show Joanne Williams reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinic/Center
1401 S BERETANIA ST STE 350
Honolulu, HI 96814
  • Reassigned Medicare billing, Hawaii enrollment
  • Medicare enrollment name: The Queens Medical Center
  • 809 clinicians in this Medicare group
Psychiatric/Mental Health
524 KEAWE ST # 521
Honolulu, HI 96813
  • Reassigned Medicare billing, Hawaii enrollment
  • 15 clinicians in this Medicare group
Multi-Specialty
1301 PUNCHBOWL ST
Honolulu, HI 96813
  • Reassigned Medicare billing, Hawaii enrollment
  • 859 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
431 KUWILI ST
Honolulu, HI 96817
  • Reassigned Medicare billing, Hawaii enrollment
  • 58 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 96815 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
$92.50 typical visit price
range $60.53 – $180.05
Typical copayment $23.12 (range $15.13 – $45.01)
Most-billed visit code 99203
Established Patient
$105.65 typical visit price
range $20.09 – $147.56
Typical copayment $26.41 (range $5.02 – $36.89)
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.

Chiropractor
438 HOBRON LN, STE. 315
HONOLULU, HI 96815
Chiropractor
438 HOBRON LN, STE. 315
HONOLULU, HI 96815
Clinical Neuropsychologist
438 HOBRON LN, SUITE 409
HONOLULU, HI 96815
Family Medicine
438 HOBRON LN, SUITE 314
HONOLULU, HI 96815
Psychologist (Clinical)
438 HOBRON LN, SUITE 315
HONOLULU, HI 96815
Counselor (Mental Health)
438 HOBRON LN
HONOLULU, HI 96815
Community/Behavioral Health
438 HOBRON LN, SUITE 315
HONOLULU, HI 96815
Counselor (Mental Health)
438 HOBRON LN
HONOLULU, HI 96815

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 Joanne Williams's NPI number?

The NPI number for Joanne Williams is 1154198729. It was assigned to this individual provider in the NPPES registry on December 5, 2023.

Where is Joanne Williams located?

Joanne Williams practices at 438 Hobron Ln, Honolulu, HI 96815. The listed phone number is (808) 941-9648.

What is Joanne Williams's specialty?

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

Is Joanne Williams enrolled in Medicare?

Yes. Joanne Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joanne Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joanne Williams reassigns Medicare benefits to 4 organizations: The Queen's Medical Center (Honolulu, HI), (Honolulu, HI), Queens University Medical Group (Honolulu, HI) and Kalihi Palama Health Center (Honolulu, 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 Joanne Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joanne Williams accept?

Health plans from HMSA list Joanne Williams 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 Joanne Williams was last updated on December 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.