Weston John Lagrandeur, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A194474 Issued in CA

Practice address

455 Oconnor Dr Ste 210
San Jose, CA 95128-1632

Phone

(408) 995-5453

Fax

(206) 812-6176

NPI assigned

May 24, 2018

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in WA, CA2 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 2

Specialty

Family Practice

Education

University of Arizona College of Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

University Healthcare AllianceGroup PAC ID 6305748799, 334 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Santa Clara Valley Medical Center Hospital, San Jose, CA, CCN 050038
• Stanford Health Care Hospital, Stanford, CA, CCN 050441
• El Camino Health Hospital, Mountain View, CA, CCN 050308

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: wlagrandeur590019@direct.multicare.org
• Direct secure messaging: wlagrandeur453441@direct.stanfordhealthcare.org

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.

• University Healthcare Alliance

  • Internal Medicine Physician
  • Newark, CA
  • NPI 1760531198
  Medicare reassignment Care Compare group NPD
• Indian Health Center of Santa Clara Valley

  • Federally Qualified Health Center (FQHC)
  • San Jose, CA
  • NPI 1881997963
  Medicare reassignment NPD
• LPCH Medical Group Div of Lucile

  • Children's Hospital
  • Palo Alto, CA
  • NPI 1417907940
  Medicare reassignment NPD
• Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1437292927
  Medicare reassignment NPD
• Sea Mar Community Health Centers

  • Federally Qualified Health Center (FQHC)
  • Aberdeen, WA
  • NPI 1811051170

  Family Medicine

  Medicare reassignment NPD
• Indian Health Center of Santa Clara Valley

  • Federally Qualified Health Center (FQHC)
  • San Jose, CA
  • NPI 1275964488
  NPD
• Stanford Health Care

  • General Acute Care Hospital
  • Emeryville, CA
  • NPI 1275076325
  NPD
• Stanford Health Care

  • Specialty Pharmacy
  • Mountain View, CA
  • NPI 1760366132
  NPD
• Sea Mar Community Health Centers

  • Federally Qualified Health Center (FQHC)
  • Mount Vernon, WA
  • NPI 1528115870

  Family Medicine

  NPD
• Sea Mar Community Health Centers

  • Federally Qualified Health Center (FQHC)
  • Spanaway, WA
  • NPI 1922624642
  NPD
• Affinity Medical Group

  • Case Manager/Care Coordinator
  • Foster City, CA
  • NPI 1689708042
  NPD (past)
• County of Santa Clara

  • Anesthesiology Physician
  • San Jose, CA
  • NPI 1588721500

  Family Medicine

  NPD (past)

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

• County of Santa Clara

  • General Acute Care Hospital
  • San Jose, CA
  • NPI 1063406551
  Care Compare affiliation
• El Camino Hospital

  • General Acute Care Hospital
  • Mountain View, CA
  • NPI 1093712374
  Care Compare affiliation
• El Camino Hospital

  • General Acute Care Hospital
  • Los Gatos, CA
  • NPI 1417199340
  Care Compare affiliation
• El Camino Hospital

  • General Acute Care Hospital
  • Los Gatos, CA
  • NPI 1457594087
  Care Compare affiliation
• Stanford Health Care

  • Radiation Oncology Physician
  • Pleasanton, CA
  • NPI 1124561758

  Hospital

  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Emeryville, CA
  • NPI 1275076325
  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Emeryville, CA
  • NPI 1285177337
  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1437292927
  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Pleasanton, CA
  • NPI 1467990465
  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1871543215
  Care Compare affiliation
• Stanford Life Flight

  • Air Ambulance
  • Stanford, CA
  • NPI 1114063203

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1527120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749081600000",
    "number": "1841781812",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "455 OCONNOR DR STE 210",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951281632",
            "telephone_number": "408-995-5453"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "455 OCONNOR DR STE 210",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951281632",
            "telephone_number": "408-995-5453",
            "fax_number": "206-812-6176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1333 Meridian Ave",
            "address_purpose": "LOCATION",
            "city": "San Jose",
            "state": "CA",
            "postal_code": "951255212",
            "country_code": "US",
            "telephone_number": "408-445-3400",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1642 E Capitol Expy",
            "address_purpose": "LOCATION",
            "city": "San Jose",
            "state": "CA",
            "postal_code": "951211800",
            "country_code": "US",
            "telephone_number": "408-445-3431",
            "fax_number": "408-238-3874",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2039 Forest Ave Ste 105",
            "address_purpose": "LOCATION",
            "city": "San Jose",
            "state": "CA",
            "postal_code": "951284815",
            "country_code": "US",
            "telephone_number": "408-947-2929",
            "fax_number": "408-283-7720",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LAGRANDEUR",
        "first_name": "WESTON",
        "middle_name": "JOHN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-05-24",
        "last_updated": "2025-06-05",
        "certification_date": "2025-06-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WA",
            "license": "MD61142151",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A194474",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1841781812",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2194638",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Scott David Lafranconi, M.A.
• Kathryn Lagdamen, RN
• Joseph D. Lago, MD
• Christy Lynn Lagorio
• Julian Lagoy, MD
• Miles Lagunas
• Meronea Janine Lahann-Chivers, D.C.
• Scott Lahde
• Lai and Wu Dental Corp
• Lai Nguyen Chiropractic Inc.

• Family Medicine Physician in San Jose, CA
• Providers in San Jose, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 5, 2025; 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.