Janelle Nicole Ruiz, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

A-189427 Issued in CA

Practice address

300 Pasteur Dr
Stanford, CA 94305-2200

Phone

(650) 723-4000

NPI assigned

Mar 24, 2021

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CA, MO2 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

Psychiatry

Education

Stanford University School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

County of Santa ClaraGroup PAC ID 1254244973, 1,000 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Santa Clara Valley Medical Center Hospital, San Jose, CA, CCN 050038

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jruiz50005@santaclaravalley.direct-ci.net
• Direct secure messaging: jruiz20058@smch.direct-ci.com

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.

• County of Santa Clara

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • San Jose, CA
  • NPI 1699885079
  Medicare reassignment Care Compare group 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
• The Huntington Medical Foundation

  • Internal Medicine Physician
  • Pasadena, CA
  • NPI 1154467181

  Psychiatry

  Medicare reassignment NPD
• SSM Health Care St Louis

  • Emergency Medicine Physician
  • Fenton, MO
  • NPI 1275586174
  Medicare reassignment NPD
• Darin Rentz DO PC

  • Anesthesiology Physician
  • Redlands, CA
  • NPI 1689321747
  Medicare reassignment
• Martin Luther King Jr Community Medical Foundation

  • Multi-Specialty Clinic/Center
  • Los Angeles, CA
  • NPI 1356899777
  Medicare reassignment
• County of Santa Clara

  • Federally Qualified Health Center (FQHC)
  • San Jose, CA
  • NPI 1376538991
  NPD
• County of Santa Clara

  • Pharmacy
  • San Jose, CA
  • NPI 1891871919
  NPD
• Martin Luther King Jr Community Medical Foundation

  • Radiology Clinic/Center
  • Los Angeles, CA
  • NPI 1346082294
  NPD
• Martin Luther King Jr Community Medical Foundation

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1639704323
  NPD
• Stanford Health Care

  • Radiation Oncology Physician
  • Pleasanton, CA
  • NPI 1124561758
  NPD

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

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

{
    "created_epoch": "1616544000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775606400000",
    "number": "1609452002",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "401 Quarry Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041419",
            "country_code": "US",
            "telephone_number": "650-725-5591",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RUIZ",
        "first_name": "JANELLE",
        "middle_name": "NICOLE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-03-24",
        "last_updated": "2026-04-08",
        "certification_date": "2026-04-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "A-189427",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "2026000956",
            "state": "MO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jennifer Leigh Ruffing
• Laura Jane Ruffo, NP
• Susi Inez Rugama, NP
• Joanne Rugen, M.D.
• Brian Christopher Ruhle, M.D.
• Shann Mika Baris Ruiz, NP
• Sara Rummelhoff, NP
• Cristin Dianne Runfola, PHD
• Stephen Ruoss, M.D.
• Allison Rupp, OTR/L

• Psychiatry Physician in Stanford, CA
• Providers in Stanford, CA by specialty
• Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 8, 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.