Individual provider Active NPI

George Christopher Zak, DO

  • Surgery Physician
  • Tripler Army Medical Center, HI
National Provider Identifier
1205414265
Registry record updated Aug 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
DO228656 Issued in OR
Practice address
1 Jarrett White Rd
Tripler Army Medical Center, HI 96859-5001
Phone
(808) 433-1076
NPI assigned
Mar 31, 2021
Last updated
Aug 21, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 21, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X DO228656 OR Primary

Addresses

Primary practice location

1 Jarrett White Rd
Tripler Army Medical Center, HI 96859-5001

Mailing address

1 Jarrett White Rd
Tripler Army Medical Center, HI 96859-5001
Phone (808) 433-1076

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210817001037 OR Order and Referring Only - General SurgeryPractitioner - General Surgery 1759786536

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

Interoperability endpoints

  • Direct secure messaging: gzak132927@direct.ohsu.edu

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1617148800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787270400000",
    "number": "1205414265",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 JARRETT WHITE RD",
            "city": "TRIPLER ARMY MEDICAL CENTER",
            "state": "HI",
            "postal_code": "968595001",
            "telephone_number": "808-433-1076"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 JARRETT WHITE RD",
            "city": "TRIPLER ARMY MEDICAL CENTER",
            "state": "HI",
            "postal_code": "968595001",
            "telephone_number": "808-433-1076"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZAK",
        "first_name": "GEORGE",
        "middle_name": "CHRISTOPHER",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-31",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "OR",
            "license": "DO228656",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tripler Army Medical Center, HI

Sources for this page

Verify at the official NPI Registry.