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TAD IWANUMA M.D.
NPI 1184600504
Internal Medicine in Honolulu, HI

Active since December 17, 2005PECOS Enrolled
94.18/100
CMS Quality Rating
321 N KUAKINI ST, 703, HONOLULU, HI 96817(808) 524-4400 Get Directions Write a Review

NPPES record last updated: October 17, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Tad Iwanuma M.d. NPPES

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

TAD IWANUMA M.D. (NPI 1184600504) is an individual internal medicine provider in Honolulu, Hawaii, licensed in Hawaii (2484) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184600504
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameTAD IWANUMACredential: M.D.
Location Address321 N KUAKINI ST, 703Honolulu, HI 96817-2364
Mailing Address321 N Kuakini St, 703Honolulu, HI 96817-2364
Phone(808) 524-4400
Sole ProprietorYes
Enumeration DateDecember 17, 2005
Last NPPES UpdateOctober 17, 2007
✔ NPI 1184600504 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in HI · 2484
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
321 N KUAKINI ST, Honolulu, HI 96817
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Other Identifiers 3

Medicaid03426401HI
Medicare UPINC98799
Medicare PINH0000BDFBSHI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tad Iwanuma 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.

Areas of Expertise CMS Part B claims 6

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.

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.
525 services191 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
147 services147 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
117 services117 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
39 services31 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
30 services25 patients
Telephone medical discussion with physician, 5-10 minutes 99441
A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.
17 services17 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.28
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Hospital bed, fixed height, with any type side rails, with mattress E0250
DME-Hospital Beds · category DB000N
1 supplier11 claims11 services$51.94 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

EMILY DIEP, M.D., LLC
Internal Medicine
321 N KUAKINI ST, SUITE NUMBER 715
HONOLULU, HI 96817
Honolulu County (808) 523-6461
ELIOT NOBUO TOMOMITSU M.D.
Pediatrics
321 N KUAKINI ST, SUITE #201
HONOLULU, HI 96817
Honolulu County (808) 523-8611
BARON K. F. CHING M.D.
Internal Medicine
321 N KUAKINI ST, 708
HONOLULU, HI 96817
Honolulu County (808) 536-7791
DR. STUART SUGIHARA M.D.
Internal Medicine (Pulmonary Disease)
321 N KUAKINI ST, STE 502
HONOLULU, HI 96817
Honolulu County (808) 531-9753
CHAELYN CULLEN
Nurse Practitioner
321 N KUAKINI ST
HONOLULU, HI 96817
Honolulu County (808) 772-4743
DIANE M. SAKAI MD
Internal Medicine
321 N KUAKINI ST, SUITE 514
HONOLULU, HI 96817
Honolulu County (808) 533-4274
JOSEPH K KOO MD
Internal Medicine (Infectious Disease)
321 N KUAKINI ST
HONOLULU, HI 96817
Honolulu County (808) 523-6461
DR. OSAMU FUKUYAMA M.D.
Internal Medicine (Cardiovascular Disease)
321 N KUAKINI ST, SUITE 504
HONOLULU, HI 96817
Honolulu County (808) 538-1125

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 Tad Iwanuma's NPI number?

The NPI number for Tad Iwanuma is 1184600504. It was assigned to this individual provider in the NPPES registry on December 17, 2005.

Where is Tad Iwanuma located?

Tad Iwanuma practices at 321 N Kuakini St 703, Honolulu, HI 96817. The listed phone number is (808) 524-4400.

What is Tad Iwanuma's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Tad Iwanuma enrolled in Medicare?

Yes. Tad Iwanuma is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Tad Iwanuma was last updated on October 17, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.