Shanna Cheng

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

MD209541 Issued in OR

Practice address

3303 S Bond Ave
Portland, OR 97239-4501

Phone

(503) 494-4373

Fax

(503) 418-4189

NPI assigned

Apr 3, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: scheng142455@direct.ohsu.edu

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.

• Legacy Clinics LLC

  • Clinic/Center
  • Portland, OR
  • NPI 1902827272

  Internal Medicine

  Medicare reassignment NPD

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

{
    "created_epoch": "1554249600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789603200000",
    "number": "1598227001",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3303 S BOND AVE",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972394501",
            "telephone_number": "503-494-4373",
            "fax_number": "503-418-4189"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3303 S BOND AVE",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972394501",
            "telephone_number": "503-494-4373",
            "fax_number": "503-418-4189"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9200 W Wisconsin Ave",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532263522",
            "country_code": "US",
            "telephone_number": "414-805-3666",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25050 SE Stark St",
            "address_purpose": "LOCATION",
            "city": "Gresham",
            "state": "OR",
            "postal_code": "970303327",
            "country_code": "US",
            "telephone_number": "503-674-1848",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHENG",
        "first_name": "SHANNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-03",
        "last_updated": "2026-09-17",
        "certification_date": "2026-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "OR",
            "license": "MD209541",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD209541",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Keith Y. M. Cheng, MD
• Mark W Cheng, M.D.
• Ming H Cheng
• Ryan Cheng
• Samantha Hsiuan Cheng, MD
• Wai King Cheng
• Zhen Cheng, PHD
• Zhi Cheng, MD
• Anjali S. Chennupati, MD
• Daniel Scott Chenoweth, PSY.D.

• Gastroenterology Physician in Portland, OR
• Providers in Portland, OR by specialty
• Gastroenterology Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.