Alexander Lee Werne, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

A160064 Issued in CA

Practice address

701 E El Camino Real
Mountain View, CA 94040-2833

Phone

(650) 934-7850

NPI assigned

Mar 24, 2017

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

Enrolled in CA

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 (25 of 26)

Interoperability endpoints

• Direct secure messaging: awerne467462@hisp.ehr.sutterhealth.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.

• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Palo Alto, CA
  • NPI 1013950807
  Medicare reassignment NPD
• UCSF Health Medical Foundation

  • Multi-Specialty Clinic/Center
  • Oakland, CA
  • NPI 1922124866
  Medicare reassignment NPD
• UCSF Medical Group Business Services

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1477624104
  Medicare reassignment NPD
• UCSF Pediatrics Associates

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1376614016
  Medicare reassignment NPD
• University of California San Francisco

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment NPD
• University of California SFGH Medical Group

  • Otolaryngology Physician
  • San Francisco, CA
  • NPI 1154396208
  Medicare reassignment NPD
• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Sacramento, CA
  • NPI 1003267196

  Pediatrics

  NPD
• Sutter Bay Medical Foundation

  • Clinical Medical Laboratory
  • Santa Clara, CA
  • NPI 1669287033
  NPD
• UCSF Medical Group Business Services

  • Health Service Clinic/Center
  • San Francisco, CA
  • NPI 1194115246
  NPD
• University of California San Francisco

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1164512851

  Pediatrics

  NPD
• University of California San Francisco

  • Community/Retail Pharmacy
  • San Francisco, CA
  • NPI 1659141711
  NPD
• University of California SFGH Medical Group

  • Vascular Surgery Physician
  • San Francisco, CA
  • NPI 1033913959
  NPD

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

{
    "created_epoch": "1490313600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749168000000",
    "number": "1669903126",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 276950",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958276950",
            "telephone_number": "650-934-7850"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "701 E EL CAMINO REAL",
            "city": "MOUNTAIN VIEW",
            "state": "CA",
            "postal_code": "940402833",
            "telephone_number": "650-934-7850"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1101 Van Ness Ave",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941096919",
            "country_code": "US",
            "telephone_number": "415-600-2722",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "725 Welch Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041601",
            "country_code": "US",
            "telephone_number": "650-497-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WERNE",
        "first_name": "ALEXANDER",
        "middle_name": "LEE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-24",
        "last_updated": "2025-06-06",
        "certification_date": "2025-06-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A160064",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kristin Welter, MD
• Jianhong Wen, L. AC.
• Modern Weng, D.O.
• Timothy Weng, PA-C
• Annelies Wentzel, DC
• Dylan Werth
• Nancy Sue Wesson, PH.D.
• Annette E West, PA-C
• Joan M West, PA-C
• Tenaya West, DPM

• Pediatrics Physician in Mountain View, CA
• Providers in Mountain View, CA by specialty
• Pediatrics Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 6, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.