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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.

GEORGE CHRISTOPHER ZAK DO
NPI 1205414265
Surgery in Tripler Army Medical Center, HI

Active since March 31, 2021PECOS Enrolled
1 JARRETT WHITE RD, TRIPLER ARMY MEDICAL CENTER, HI 96859(808) 433-1076 Get Directions Write a Review

NPPES record last updated: August 21, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 21, 2026, Mar 31, 2021 (2 updates tracked since 2021).

About George Christopher Zak Do NPPES

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

GEORGE CHRISTOPHER ZAK DO (NPI 1205414265) is an individual surgery provider in Tripler Army Medical Center, Hawaii, licensed in Oregon (DO228656) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205414265
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameGEORGE CHRISTOPHER ZAKCredential: DO
Location Address1 JARRETT WHITE RDTripler Army Medical Center, HI 96859-5001
Mailing Address1 Jarrett White RdTripler Army Medical Center, HI 96859-5001 · (808) 433-1076
Phone(808) 433-1076
Sole ProprietorNo
Enumeration DateMarch 31, 2021
Last NPPES UpdateAugust 21, 20262 updates tracked since enumeration
NPPES CertifiedAugust 21, 2026
✔ NPI 1205414265 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in OR · DO228656
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1 JARRETT WHITE RD, Tripler Army Medical Center, 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 (PECOS)

George Christopher Zak Do 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.

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
$74.92 typical visit price
range $20.09 – $147.56
Typical copayment $18.73 (range $5.02 – $36.89)
Most-billed visit code 99213
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 George Zak's NPI number?

The NPI number for George Zak is 1205414265. It was assigned to this individual provider in the NPPES registry on March 31, 2021.

Where is George Zak located?

George Zak practices at 1 Jarrett White Rd, Tripler Army Medical Center, HI 96859. The listed phone number is (808) 433-1076.

What is George Zak's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is George Zak enrolled in Medicare?

Yes. George Zak is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for George Zak was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.