Phoebus Sun Cao, MD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

MD.MD.70151866 Issued in WA

Practice address

844 N 5TH Ave
Sequim, WA 98382-3045

Phone

(360) 683-9895

Fax

(360) 582-5614

NPI assigned

Apr 7, 2021

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Interoperability endpoints

• Direct secure messaging: psuncao129954@direct.upstate.edu

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

• Olympic Medical Physicians

  • Family Medicine Physician
  • Port Angeles, WA
  • NPI 1427081967
  NPD (past)

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

{
    "created_epoch": "1617753600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1881273530",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 24029",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981240029",
            "telephone_number": "360-683-9895",
            "fax_number": "360-582-5614"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "844 N 5TH AVE",
            "city": "SEQUIM",
            "state": "WA",
            "postal_code": "983823045",
            "telephone_number": "360-683-9895",
            "fax_number": "360-582-5614"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SUN CAO",
        "first_name": "PHOEBUS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-07",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "WA",
            "license": "MD.MD.70151866",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rae Stier
• David Charles Stinard, PA-C
• Strait Chiropractic P S
• Strait Orthopedic Specialists, PS
• Charles D Sullivan, MD
• Carrie L Sun, MD
• Sustainable Psychiatric Services LLC
• Mark Swanson, ND
• Crystal Tack, ND LAC
• Joshua Ethan Talbert, LPC, LMHC

• Radiation Oncology Physician in Sequim, WA
• Providers in Sequim, WA by specialty
• Radiation Oncology Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 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.