Individual provider Active NPI

Wayne Wong, M.D.

  • Gastroenterology Physician
  • Portland, OR
National Provider Identifier
1275676843
Registry record updated Nov 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
MD16753 Issued in OR
Practice address
3500 N Interstate Ave
Portland, OR 97227-1196
Phone
(503) 331-6170
NPI assigned
Feb 14, 2007
Last updated
Nov 11, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 11, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X MD00034986 WA
Gastroenterology Physician 207RG0100X MD16753 OR Primary
Gastroenterology Physician 207RG0100X 81010 MN

Addresses

Primary practice location

3500 N Interstate Ave
Portland, OR 97227-1196

Mailing address

3500 N Interstate Ave
Portland, OR 97227-1196

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR, ME, MN3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20080128000200 OR Practitioner - Gastroenterology 2264514470 Reassigns benefits to 1 organization
I20220421001732 ME Practitioner - Gastroenterology 2264514470 Reassigns benefits to 1 organization
I20251121000723 MN Practitioner - Gastroenterology 2264514470 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Oregon Health Sciences University School of Medicine, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mainegeneral Medical CenterGroup PAC ID 1254245715, 554 clinicians

Practice addresses (Care Compare)

1025 Marsh St
Mankato, MN 56001-4752
Phone (507) 625-4031

149 N St
Waterville, ME 04901
Phone (207) 872-1000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
86.22 of 100Reported as group
Quality
75.39
Promoting interoperability
84
Improvement activities
40
Cost
75.32

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy21
Upper gastrointestinal (GI) endoscopy for acid reflux1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
81010MNMDGastroenterology Physician
MD00034986WAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mainegeneral Medical Center CurrentSince Jan 13, 2022 Accepting new patients
Kaiser Foundation Health Plan of the Northwest CurrentSince Mar 6, 2019 Accepting new patients
Mainegeneral Medical Center CurrentSince Jan 13, 2022 Accepting new patients
Mayo Clinic Health System-Southwest Minnesota Region CurrentSince Oct 11, 2025 Accepting new patients
Mayo Clinic Health System-Southwest Minnesota Region CurrentSince Oct 11, 2025 Accepting new patients
Mainegeneral Medical Center Current Accepting new patients

Locations

149 North St
Waterville, ME 04901
Phone (207) 622-1959

1025 Marsh St
Mankato, MN 56001
Phone (507) 345-2623

10100 SE Sunnyside Rd
Clackamas, OR 97015
Phone (503) 571-2946

3500 N Interstate Ave
Portland, OR 97227
Phone (503) 285-9321

Organizations & group practices 7

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 1

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

NPI Registry JSON

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

{
    "created_epoch": "1171411200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762819200000",
    "number": "1275676843",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3500 N INTERSTATE AVE",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972271196"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3500 N INTERSTATE AVE",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972271196",
            "telephone_number": "503-331-6170"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WONG",
        "first_name": "WAYNE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-02-14",
        "last_updated": "2025-11-11",
        "certification_date": "2025-11-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "WA",
            "license": "MD00034986",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "OR",
            "license": "MD16753",
            "primary": true
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MN",
            "license": "81010",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, OR

Sources for this page

Verify at the official NPI Registry.