Individual provider Active NPI

Stephen Supoyo, MD

  • Family Medicine Physician
  • Seattle, WA
National Provider Identifier
1316441447
Registry record updated Jun 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
MD61069893 Issued in WA
Practice address
9245 Rainier Ave S
Seattle, WA 98118-5569
Phone
(206) 722-8444
Fax
(206) 721-6310
NPI assigned
Mar 22, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 30, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X MD61069893 WA Primary
Addiction Medicine (Preventive Medicine) Physician 2083A0300X MD61069893 WA
Geriatric Medicine (Family Medicine) Physician 207QG0300X MD61069893 WA

Addresses

Primary practice location

9245 Rainier Ave S
Seattle, WA 98118-5569

Mailing address

1200 12TH Ave S Ste 901
Seattle, WA 98144-2712
Phone (206) 548-3114

Other practice location 1

7500 Seward Park Ave S
Seattle, WA 98118-4256
Phone (206) 725-8800

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
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
I20201214002434 WA Practitioner - Family Practice 3678822079 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Neighborcare HealthGroup PAC ID 0143134205, 100 clinicians

Practice addresses (Care Compare)

9245 Rainier Ave S
Seattle, WA 98118-5569
Phone (206) 722-8444

Hospital & facility affiliations

  • Seattle Medical Post Acute Care Nursing home, Seattle, WA, CCN 505311

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Neighborcare Health CurrentSince Jul 12, 2025 Accepting new patients
Post Acute Medical PLLC CurrentSince Jun 11, 2025 Accepting new patients
Neighborcare Health CurrentSince Jul 12, 2025 Accepting new patients
International Community Health Services Family Medicine CurrentSince Dec 4, 2023 Accepting new patients
Altea Medical Washington PLLC CurrentSince Nov 1, 2025 Accepting new patients
International Community Health Services Family Medicine Current Accepting new patients
International Community Health Services CurrentSince Dec 4, 2023 Accepting new patients
Neighborcare Health Current Accepting new patients
Kaiser Foundation Health Plan of Washington CurrentSince Nov 20, 2020 Accepting new patients
Kaiser Foundation Health Plan of Washington CurrentSince Nov 20, 2020 Accepting new patients
Neighborcare Health Past Accepting new patients
Seattle SNF Operations, LLC Past Accepting new patients

Locations

400 E Rivulon Blvd
Ste 103
Gilbert, AZ 85297

414 17th St SE
Auburn, WA 98002
Phone (253) 320-0748

303 Telegraph Rd
Bellingham, WA 98226
Phone (360) 863-6696

140 SW 146th St
Burien, WA 98166
Phone (206) 630-3000

6020 35th Ave SW
Seattle, WA 98126
Phone (206) 461-6950

720 8th Ave S
Seattle, WA 98104
Phone (206) 788-3770

1629 N 45th St
Seattle, WA 98103
Phone (206) 633-3350

4400 37th Ave S
Seattle, WA 98118
Phone (206) 296-4650

1200 12th Ave S
Ste 901
Seattle, WA 98144
Phone (206) 548-3058

125 16th Ave E
#545
Seattle, WA 98112
Phone (206) 326-3530

2821 S Walden St
Seattle, WA 98144
Phone (206) 577-6200

555 16th Ave
Seattle, WA 98122
Phone (206) 324-6200

3815 S Othello St
Fl 2
Seattle, WA 98118
Phone (206) 788-3500

12721 30th Ave NE
Ste 101
Seattle, WA 98125
Phone (206) 417-0326

9245 Rainier Ave S
Seattle, WA 98118
Phone (206) 461-6981

200 15th Ave E
Seattle, WA 98112
Phone (206) 326-4530

6025 N Assembly St
Spokane, WA 99205
Phone (509) 326-8282

6220 S Alaska St
Tacoma, WA 98408
Phone (253) 473-2273

9505 S Steele St
Tacoma, WA 98444
Phone (253) 597-6800

Organizations & group practices 12

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.

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": "1521676800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782777600000",
    "number": "1316441447",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1200 12TH AVE S STE 901",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981442712",
            "telephone_number": "206-548-3114",
            "fax_number": "206-962-2342"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9245 RAINIER AVE S",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981185569",
            "telephone_number": "206-722-8444",
            "fax_number": "206-721-6310"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7500 Seward Park Ave S",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981184256",
            "country_code": "US",
            "telephone_number": "206-725-8800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SUPOYO",
        "first_name": "STEPHEN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-22",
        "last_updated": "2026-06-30",
        "certification_date": "2026-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WA",
            "license": "MD61069893",
            "primary": true
        },
        {
            "code": "2083A0300X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Addiction Medicine",
            "state": "WA",
            "license": "MD61069893",
            "primary": false
        },
        {
            "code": "207QG0300X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Geriatric Medicine",
            "state": "WA",
            "license": "MD61069893",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.