Aren Vierra, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

A182053 Issued in CA

Practice address

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

Phone

(650) 934-7700

NPI assigned

Sep 14, 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

Specialty

Diagnostic Radiology

Education

University of California, Davis School of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

University of California San FranciscoGroup PAC ID 4486567229, 1,780 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• El Camino Health Hospital, Mountain View, CA, CCN 050308
• UCSF Medical Center Hospital, San Francisco, CA, CCN 050454

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: avierra457338@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 Care Compare group NPD
• University of California San Francisco

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment Care Compare group NPD
• UCSF Medical Group Business Services

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1477624104
  Medicare reassignment NPD
• University of California SFGH Medical Group

  • Diagnostic Radiology Physician
  • San Francisco, CA
  • NPI 1063487122
  Medicare reassignment 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

  • Surgery Physician
  • San Francisco, CA
  • NPI 1346329380
  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

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

• 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
• University of California, San Francisco

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1689772592
  Care Compare affiliation

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

{
    "created_epoch": "1505347200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752451200000",
    "number": "1528587185",
    "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"
        },
        {
            "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": "650-934-7700"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1600 Divisadero St Rm C250",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941433010",
            "country_code": "US",
            "telephone_number": "415-885-7464",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1001 Potrero Avenue Bld5 1st FL",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "94110",
            "country_code": "US",
            "telephone_number": "628-206-8020",
            "fax_number": "628-206-4004",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4610 X St",
            "address_purpose": "LOCATION",
            "city": "Sacramento",
            "state": "CA",
            "postal_code": "958172200",
            "country_code": "US",
            "telephone_number": "916-816-7164",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VIERRA",
        "first_name": "AREN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-09-14",
        "last_updated": "2025-07-14",
        "certification_date": "2025-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A182053",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Susie Ver, FNP
• Mark Verber
• Miguel Angel IX Verduzco, MHT
• Neha Vibhakar, MD
• Stephanie Vidal
• Cassandra Vierra
• Pooja Vijayendra
• Vik Chiropractic, Inc
• Elizabeth Vilardo, MD
• Villa

• Diagnostic Radiology Physician in Mountain View, CA
• Providers in Mountain View, CA by specialty
• Diagnostic Radiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 14, 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.