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MR. JOSEPH K. KOO M.D.
NPI 1457350985
Internal Medicine - Infectious Disease in Honolulu, HI

Active since July 18, 2005PECOS EnrolledAccepts Medicare Assignment
321 N. KUAKINI STREET, SUITE 715, KUAKINI MEDICAL PLAZA, HONOLULU, HI 96817(808) 523-6461(808) 550-0466 Get Directions Write a Review

NPPES record last updated: December 23, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Joseph K. Koo M.d. NPPES

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

MR. JOSEPH K. KOO M.D. (NPI 1457350985) is an individual infectious disease provider in Honolulu, Hawaii, licensed in Hawaii (MD-6718) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Hawaii John A. Burns School Of Medicine (1984).

NPPES Registry Identity

NPI1457350985
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameMR. JOSEPH K. KOOCredential: M.D.
Location Address321 N. KUAKINI STREET, SUITE 715, KUAKINI MEDICAL PLAZAHonolulu, HI 96817
Mailing AddressPo Box 57Honolulu, HI 96810-0057 · (808) 836-3303 · Fax (808) 836-3303
Phone(808) 523-6461
Fax(808) 550-0466
Sole ProprietorYes
Medical School CMSUniversity Of Hawaii John A. Burns School Of MedicineGraduated 1984
Enumeration DateJuly 18, 2005
Last NPPES UpdateDecember 23, 2023
NPPES CertifiedDecember 23, 2023
✔ NPI 1457350985 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in HI · MD-6718
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
321 N. KUAKINI STREET, SUITE 715, Honolulu, HI 96817
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Other Identifiers 1

Medicaid055439-01HI

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Joseph K. Koo M.d. 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 ID6901806504
PECOS Enrollment IDI20070104000459
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
824 services103 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
166 services77 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
95 services75 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96817 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
$136.68 typical visit price
range $60.53 – $180.05
Typical copayment $34.17 (range $15.13 – $45.01)
Most-billed visit code 99204
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.

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 Joseph Koo's NPI number?

The NPI number for Joseph Koo is 1457350985. It was assigned to this individual provider in the NPPES registry on July 18, 2005.

Where is Joseph Koo located?

Joseph Koo practices at 321 N. Kuakini Street, Suite 715 Kuakini Medical Plaza, Honolulu, HI 96817. The listed phone number is (808) 523-6461.

What is Joseph Koo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Joseph Koo enrolled in Medicare?

Yes. Joseph Koo 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.

What insurance does Joseph Koo accept?

Health plans from HMSA list Joseph Koo 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 Joseph Koo was last updated on December 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.