William Andre Silva, M.D.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

MD00044925 Issued in WA

Practice address

125 N 18TH St Ste a
Mount Vernon, WA 98273-3902

Phone

(605) 885-5703

Fax

(360) 588-5562

NPI assigned

Jul 22, 2006

Last updated

Feb 18, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 4

Addresses

Other identifiers 9

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

Specialty

Obstetrics/GynecologyAlso: Hospitalist

Education

Other, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sea Mar Community Health CentersGroup PAC ID 7315831161, 235 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Skagit Valley Hospital Hospital, Mount Vernon, WA, CCN 500003

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: wsilva96554@direct.valleymed.org

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.

• Sea Mar Community Health Centers

  dba Sea Mar Community Health Center

  • Federally Qualified Health Center (FQHC)
  • Aberdeen, WA
  • NPI 1811051170
  Medicare reassignment Care Compare group NPD
• King County Public Hospital District No 2

  dba Booth Gardner Parkinsons Care Center

  • Neuromusculoskeletal Medicine & OMM Physician
  • Kirkland, WA
  • NPI 1801986070
  Medicare reassignment NPD
• Obhg Washington, PC

  • Obstetrics & Gynecology Physician
  • Silverdale, WA
  • NPI 1962729525
  Medicare reassignment NPD
• Obstetrix Medical Group of Washington Inc PS

  • Maternal & Fetal Medicine Physician
  • Seattle, WA
  • NPI 1861599573

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Valley Medical Group-Renton

  • General Acute Care Hospital
  • Renton, WA
  • NPI 1619209574

  Gynecology

  Medicare reassignment NPD
• King County Public Hospital District No 2

  dba EvergreenHealth Medical Group Pro Fees

  • Internal Medicine Physician
  • Kirkland, WA
  • NPI 1467542639
  NPD
• King County Public Hospital District No. 2

  dba EvergreenHealth at Home Physical Therapy

  • Physical Therapist
  • Kirkland, WA
  • NPI 1356920946
  NPD
• Sea Mar Community Health Centers

  • Federally Qualified Health Center (FQHC)
  • Spanaway, WA
  • NPI 1922624642
  NPD
• Sea-Mar Community Health Center

  • Federally Qualified Health Center (FQHC)
  • Mount Vernon, WA
  • NPI 1881742724

  Obstetrics & Gynecology

  NPD
• Franciscan Medical Group

  • Family Medicine Physician
  • Tacoma, WA
  • NPI 1366539421

  Hospitalist

  NPD (past)
• Public Hospital Dist No 1 Skagit

  dba Skagit Valley Hospital

  • General Acute Care Hospital
  • Mount Vernon, WA
  • NPI 1053357244
  NPD (past)
• Public Hospital District 1 of King County

  dba Valley Medical Center

  • General Acute Care Hospital
  • Renton, WA
  • NPI 1649209230
  NPD (past)

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

• Public Hospital Dist No 1 Skagit

  dba Skagit Valley Hospital

  • General Acute Care Hospital
  • Mount Vernon, WA
  • NPI 1053357244
  Care Compare affiliation

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

{
    "created_epoch": "1153526400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771372800000",
    "number": "1861413965",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 34703",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981241703",
            "telephone_number": "253-681-6626"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "125 N 18TH ST STE A",
            "city": "MOUNT VERNON",
            "state": "WA",
            "postal_code": "982733902",
            "telephone_number": "605-885-5703",
            "fax_number": "360-588-5562"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "400 S 43rd St",
            "address_purpose": "LOCATION",
            "city": "Renton",
            "state": "WA",
            "postal_code": "980555714",
            "country_code": "US",
            "telephone_number": "425-228-3440",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "191 N Sunrise Way",
            "address_purpose": "LOCATION",
            "city": "Palm Springs",
            "state": "CA",
            "postal_code": "922625201",
            "country_code": "US",
            "telephone_number": "760-778-2210",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "903 Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Arlington",
            "state": "WA",
            "postal_code": "982231697",
            "country_code": "US",
            "telephone_number": "360-329-7897",
            "fax_number": "360-925-2898",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SILVA",
        "first_name": "WILLIAM",
        "middle_name": "ANDRE",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-22",
        "last_updated": "2026-02-18",
        "certification_date": "2026-02-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "WA",
            "license": "MD00044925",
            "primary": true
        },
        {
            "code": "207VG0400X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecology",
            "state": "WA",
            "license": "MD00044925",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "WA",
            "license": "MD00044925",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WA",
            "license": "MD00044925",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN FOR GROUP (ARLINGTON, WA)",
            "identifier": "G8917673",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1020741",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TYPE 2 (GROUP/ORGANIZATIONAL) NPI",
            "identifier": "1205015112",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PROVIDER ONE # (LINKED TO TYPE 2 NPI)",
            "identifier": "2025944",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN FOR INDIVIDUAL (ARLINGTON, WA)",
            "identifier": "G8917674",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAID BILLING PROVIDER #",
            "identifier": "1205015112",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAID RENDERING PROVIDER #",
            "identifier": "1861413965",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "L&I",
            "identifier": "0307100",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TYPE 1 (INDIVIDUAL) NPI",
            "identifier": "1861413965",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Benjamin E Siapco, CRNA
• Kelly Ann Siebecke, SLPA-C
• Sight Partners Physicians, P.C.
• Teresa Joy Signer
• Brittany Silva, LSWAIC
• Lisa A Simmons, LMP
• Samantha Leah Simon, MA-C
• Janet Hargis Simpson, MED.
• Annette M Sisson, OTR/L
• Dennis Hartley Skaggs, MA, MS, LMCHA, MHP

• Obstetrics & Gynecology Physician in Mount Vernon, WA
• Providers in Mount Vernon, WA by specialty
• Obstetrics & Gynecology Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.