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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM T RIZZUTO MD
NPI 1245897271
Emergency Medicine in Tripler Amc, HI

Active since May 24, 2019PECOS Enrolled
1 JARRETT WHITE RD, TRIPLER AMC, HI 96859(808) 433-3707 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 15, 2026, Dec 12, 2025, Jul 27, 2022 and 2 more (5 updates tracked since 2019).

About Dr. William T Rizzuto Md NPPES

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

DR. WILLIAM T RIZZUTO MD (NPI 1245897271) is an individual emergency medicine provider in Tripler Amc, Hawaii, licensed in Hawaii (MD-27019) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (2019).

NPPES Registry Identity

NPI1245897271
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. WILLIAM T RIZZUTOCredential: MD
Location Address1 JARRETT WHITE RDTripler Amc, HI 96859-5001
Mailing Address1 Jarrett White RdTripler Amc, HI 96859-5001 · (808) 433-3707
Phone(808) 433-3707
Sole ProprietorNo
Medical School CMSUniformed Services Uhs Fe Hebert School Of MedGraduated 2019
Enumeration DateMay 24, 2019
Last NPPES UpdateJuly 15, 20265 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
✔ NPI 1245897271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in HI · MD-27019✔ Licensed in FL · ME161389
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1 JARRETT WHITE RD, Tripler Amc, HI 96859
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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

Dr. William T Rizzuto Md 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 ID6103287495
PECOS Enrollment IDI20230802004247
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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
65 services65 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
34 services34 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
28 services27 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96859 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 20

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

CORINNE REYES LCSW
Social Worker (Clinical)
1 JARRETT WHITE RD
TRIPLER AMC, HI 96859
Honolulu County (808) 433-8785
DANIEL HEILMANN DO
Pediatrics
1 JARRETT WHITE RD
TRIPLER AMC, HI 96859
Honolulu County (808) 433-6697
MR. ADRIAN SCOTT WORTHEN M.D.
Internal Medicine
1 JARRETT WHITE RD, TRIPLER ARMY MEDICAL CENTER
TRIPLER ARMY MEDICAL CENTER, HI 96859
Honolulu County (808) 433-4049
DR. JANE ELIZABETH MARSHALL OTD, OTR/L
Occupational Therapist
1 JARRETT WHITE RD
TRIPLER ARMY MEDICAL CENTER, HI 96859
Honolulu County (937) 231-3795
TINA WILSON DO
General Practice
1 JARRETT WHITE RD
TRIPLER ARMY MEDICAL CENTER, HI 96859
Honolulu County (210) 220-7961
MRS. LASHON SHEREMA WILLIAMS PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
1 JARRETT WHITE RD
TRIPLER AMC, HI 96859
Honolulu County (808) 433-8601
DR. NICHOLAS PATRICK MAHER DO
General Practice
1 JARRETT WHITE RD
TRIPLER AMC, HI 96859
Honolulu County (888) 683-2778
DR. KIMBERLY D DAVIS MD
Ophthalmology
1 JARRETT WHITE RD
TRIPLER ARMY MEDICAL CENTER, HI 96859
Honolulu County (808) 471-9998

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 William Rizzuto's NPI number?

The NPI number for William Rizzuto is 1245897271. It was assigned to this individual provider in the NPPES registry on May 24, 2019.

Where is William Rizzuto located?

William Rizzuto practices at 1 Jarrett White Rd, Tripler Amc, HI 96859. The listed phone number is (808) 433-3707.

What is William Rizzuto's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is William Rizzuto enrolled in Medicare?

Yes. William Rizzuto 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.

When was this NPI record last updated?

The NPPES record for William Rizzuto was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.