JOAN CHRISTEL MARCIAL SIMMS APRN
NPI 1912869975
Nurse Practitioner in Honolulu, HI

Active since November 28, 2025PECOS EnrolledAccepts Medicare Assignment
770 KAPIOLANI BLVD STE 500, HONOLULU, HI 96813(808) 666-9960(808) 666-9356 Get Directions Write a Review

NPPES record last updated: December 1, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 1, 2025, Nov 28, 2025 (2 updates tracked since 2025).

About Joan Christel Marcial Simms Aprn NPPES

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

JOAN CHRISTEL MARCIAL SIMMS APRN (NPI 1912869975) is an individual nurse practitioner in Honolulu, Hawaii, licensed in Hawaii (5450) and active in the NPI registry since November 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1912869975
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameJOAN CHRISTEL MARCIAL SIMMSCredential: APRN
Location Address770 KAPIOLANI BLVD STE 500Honolulu, HI 96813-5258
Mailing Address91-2018 Laakona PlEwa Beach, HI 96706-4020
Fax(808) 666-9356
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateNovember 28, 2025
Last NPPES UpdateDecember 1, 20252 updates tracked since enumeration
NPPES CertifiedDecember 1, 2025
✔ NPI 1912869975 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in HI · 5450
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
770 KAPIOLANI BLVD STE 500, Honolulu, HI 96813

Other Names 1

Professional Name (2)Christel Simms Aprn

Accepted 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

Joan Christel Marcial Simms Aprn 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 ID547755050
PECOS Enrollment IDI20251222003727
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 Joan Christel Simms reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Geriatric Medicine
770 KAPIOLANI BLVD STE 114
Honolulu, HI 96813
  • Reassigned Medicare billing, Hawaii enrollment
  • 39 clinicians in this Medicare group
Hospice and Palliative Medicine
770 KAPIOLANI BLVD STE 500
Honolulu, HI 96813
  • Reassigned Medicare billing, Hawaii enrollment
  • 7 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 96813 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.

Nurse Practitioner (Psychiatric/Mental Health)
770 KAPIOLANI BLVD STE 500
HONOLULU, HI 96813
Psychiatry & Neurology (Neurology)
770 KAPIOLANI BLVD STE 500
HONOLULU, HI 96813
Nurse Practitioner (Family)
770 KAPIOLANI BLVD STE 500
HONOLULU, HI 96813
Internal Medicine (Geriatric Medicine)
770 KAPIOLANI BLVD STE 500
HONOLULU, HI 96813
Internal Medicine (Hospice and Palliative Medicine)
770 KAPIOLANI BLVD STE 500
HONOLULU, HI 96813
Nurse Practitioner (Adult Health)
770 KAPIOLANI BLVD STE 500
HONOLULU, HI 96813
Nurse Practitioner (Psychiatric/Mental Health)
770 KAPIOLANI BLVD STE 500
HONOLULU, HI 96813
Case Management
770 KAPIOLANI BLVD STE 500
HONOLULU, HI 96813

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 Joan Christel Simms's NPI number?

The NPI number for Joan Christel Simms is 1912869975. It was assigned to this individual provider in the NPPES registry on November 28, 2025. The provider is also known as Christel Simms Aprn.

Where is Joan Christel Simms located?

Joan Christel Simms practices at 770 Kapiolani Blvd Ste 500, Honolulu, HI 96813. The listed phone number is (808) 666-9960.

What is Joan Christel Simms's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Joan Christel Simms enrolled in Medicare?

Yes. Joan Christel Simms 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 Joan Christel Simms's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joan Christel Simms reassigns Medicare benefits to 2 organizations: Mi-Health LLC (Honolulu, HI) and Palliative Care Hawaii LLC (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 Joan Christel Simms's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joan Christel Simms accept?

Health plans from HMSA list Joan Christel Simms 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 Joan Christel Simms was last updated on December 1, 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.