NPIMap

Individual provider Active NPI

Gary Joseph Gretch, MD

  • Internal Medicine Physician
  • Bremerton, WA
National Provider Identifier
1053392597
Registry record updated May 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD00028724 Issued in WA
Practice address
2601 Cherry Ave Ste 215
Bremerton, WA 98310-4203
Phone
(360) 377-3923
Fax
(360) 373-4988
NPI assigned
Nov 10, 2005
Last updated
May 28, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 28, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD00028724 WA Primary

Addresses

Primary practice location

2601 Cherry Ave Ste 215
Bremerton, WA 98310-4203

Mailing address

2601 Cherry Ave Ste 215
Bremerton, WA 98310-4203
Phone (360) 377-3923

Other identifiers 1

IdentifierTypeStateIssuer
1067537MedicaidWA

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20031119000183 WA Practitioner - Internal Medicine 1355254640 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Washington University School of Medicine, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Franciscan Medical GroupGroup PAC ID 0547173866, 1,400 clinicians
Olympic Internal Medicine, Inc., P.S.Group PAC ID 1456497072, 4 clinicians

Practice addresses (Care Compare)

1800 NW Myhre Rd
Silverdale, WA 98383-7663
Phone (564) 240-1000

2620 Wheaton Way
Bremerton, WA 98310-3335
Phone (360) 377-3923

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal or shaving of skin growth1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD00028724WAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Franciscan Medical Group Current Accepting new patients
Franciscan Medical Group Internal Medicine CurrentSince May 6, 2024 Accepting new patients
Franciscan Medical Group Internal Medicine CurrentSince May 6, 2024 Accepting new patients
Olympic Internal Medicine, Inc., P.S. Internal Medicine CurrentSince Nov 1, 2009 Accepting new patients
Kitsap Internal Medicine Associates, Inc, P.S. Internal Medicine PastSince Nov 1, 2009 Accepting new patients
Renaissance Medical Clinic Inc Past Accepting new patients
Olympic Internal Medicine Associates, P.L.L.C. Internal Medicine Past Accepting new patients
Harrison Medical Center Past Accepting new patients

Locations

2520 Cherry Ave
Bremerton, WA 98310
Phone (360) 377-3911

2601 Cherry Ave
Ste 215
Bremerton, WA 98310
Phone (360) 377-3923

2620 Wheaton Way
Bremerton, WA 98310
Phone (360) 377-3923

2620 Wheaton Way
Ste 1
Bremerton, WA 98310
Phone (360) 377-3923

450 S Kitsap Blvd
Ste 100
Port Orchard, WA 98366
Phone (360) 744-6275

1800 NW Myhre Rd
Silverdale, WA 98383
Phone (360) 337-8800

1812 S J St
Ste 120
Tacoma, WA 98405
Phone (253) 428-2200

Organizations & group practices 8

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 14

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1131580800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779926400000",
    "number": "1053392597",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2601 CHERRY AVE STE 215",
            "city": "BREMERTON",
            "state": "WA",
            "postal_code": "983104203",
            "telephone_number": "360-377-3923",
            "fax_number": "360-373-4988"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2601 CHERRY AVE STE 215",
            "city": "BREMERTON",
            "state": "WA",
            "postal_code": "983104203",
            "telephone_number": "360-377-3923",
            "fax_number": "360-373-4988"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRETCH",
        "first_name": "GARY",
        "middle_name": "JOSEPH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-10",
        "last_updated": "2026-05-28",
        "certification_date": "2026-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "MD00028724",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1067537",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Bremerton, WA

Sources for this page

Verify at the official NPI Registry.