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DR. KONSTANTINE P. XOINIS M.D.
NPI 1023243490
Pediatrics - Pediatric Critical Care Medicine in Honolulu, HI

Active since May 28, 2009PECOS Enrolled
1319 PUNAHOU ST, HONOLULU, HI 96826(808) 983-6000 Get Directions Write a Review

NPPES record last updated: May 28, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Konstantine P. Xoinis M.d. NPPES

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

DR. KONSTANTINE P. XOINIS M.D. (NPI 1023243490) is an individual pediatric critical care medicine provider in Honolulu, Hawaii, licensed in Hawaii (MD-13176) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023243490
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameDR. KONSTANTINE P. XOINISCredential: M.D.
Location Address1319 PUNAHOU STHonolulu, HI 96826-1001
Mailing Address1946 Young St, Suite 320Honolulu, HI 96826-2169 · (808) 973-7320 · Fax (808) 973-7325
Phone(808) 983-6000
Sole ProprietorNo
Enumeration DateMay 28, 2009
✔ NPI 1023243490 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in HI · MD-13176
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
1319 PUNAHOU ST, Honolulu, HI 96826
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Other Identifiers 1

Medicaid56937901HI

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Konstantine P. Xoinis M.d. 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

2

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

Kapiolani Medical Specialists
Same address
Multi-Specialty
1319 PUNAHOU ST
Honolulu, HI 96826
  • Reassigned Medicare billing, Hawaii enrollment
  • 370 clinicians in this Medicare group
NPI 1124071014 (808) 983-8736
Hawaii Permanente Medical Group Inc
6.1 mi
Health Maintenance Organization
3288 MOANALUA RD
Honolulu, HI 96819
  • Reassigned Medicare billing, Hawaii enrollment
  • 1,187 clinicians in this Medicare group
NPI 1710945969 (808) 432-0000

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

Other Providers at the Same Location NPPES 20

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

DR. JEFFREY K. OKAMOTO M.D.
Pediatrics (Developmental - Behavioral Pediatrics)
1319 PUNAHOU ST, SUITE 757
HONOLULU, HI 96826
Honolulu County (808) 983-8387
JOHN LEE KATO PHARMD
Pharmacist
1319 PUNAHOU ST
HONOLULU, HI 96826
Honolulu County (808) 983-8399
KELLEY CHINEN OKIMOTO M.D.
Pediatrics
1319 PUNAHOU ST
HONOLULU, HI 96826
Honolulu County (808) 983-8387
MINGSANG LIN M.D.
Internal Medicine
1319 PUNAHOU ST, SUITE 515
HONOLULU, HI 96826
Honolulu County (808) 955-3777
DR. FRANKLIN S.H. YOUNG M.D.
Pediatrics
1319 PUNAHOU ST, SUITE 1060
HONOLULU, HI 96826
Honolulu County (808) 955-7808
AKIKO M. YAZAWA, MD, INC
Obstetrics & Gynecology (Obstetrics)
1319 PUNAHOU ST, SUITE 1180
HONOLULU, HI 96826
Honolulu County (808) 955-6324
JESSICA LYNN SHULL RN
Registered Nurse (Lactation Consultant)
1319 PUNAHOU ST
HONOLULU, HI 96826
Honolulu County (808) 947-6920
CHERYL LYNN TANGUILIG RUDY M.D.
Obstetrics & Gynecology
1319 PUNAHOU ST, SUITE 760
HONOLULU, HI 96826
Honolulu County (808) 947-5606

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 Konstantine Xoinis's NPI number?

The NPI number for Konstantine Xoinis is 1023243490. It was assigned to this individual provider in the NPPES registry on May 28, 2009.

Where is Konstantine Xoinis located?

Konstantine Xoinis practices at 1319 Punahou St, Honolulu, HI 96826. The listed phone number is (808) 983-6000.

What is Konstantine Xoinis's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Konstantine Xoinis enrolled in Medicare?

Yes. Konstantine Xoinis is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Konstantine Xoinis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Konstantine Xoinis reassigns Medicare benefits to 2 organizations: Kapiolani Medical Specialists (Honolulu, HI) and Hawaii Permanente Medical Group Inc (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 Konstantine Xoinis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Konstantine Xoinis accept?

Health plans from HMSA list Konstantine Xoinis 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 Konstantine Xoinis was last updated on May 28, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.