Kun Xiao, MD MPH

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

C203998 Issued in CA

Practice address

20130 Lake Chabot Rd Ste 307
Castro Valley, CA 94546-5340

Phone

(510) 204-8383

Fax

(510) 506-7729

NPI assigned

Jun 21, 2013

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

Medicare fee-for-service enrollment

Enrolled in WI, 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

Hematology/OncologyAlso: Internal Medicine

Education

Other, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Aurora Health Care Central, Inc.Group PAC ID 4688583677, 10 clinicians

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Aurora at Home Home health agency, Green Bay, WI, CCN 527302
• Aurora Medical Center Sheboygan County Hospital, Sheboygan, WI, CCN 520035
• Eden Medical Center Hospital, Castro Valley, CA, CCN 050488
• Aurora Medical Center Hospital, Grafton, WI, CCN 520207

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kxiao768878@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

  dba Palo Alto Medial Foundation

  • Multi-Specialty Clinic/Center
  • Palo Alto, CA
  • NPI 1013950807
  Medicare reassignment Care Compare group NPD
• Aurora Health Care Central, Inc.

  dba Aurora Medical Center Sheboygan County

  • General Acute Care Hospital
  • Sheboygan, WI
  • NPI 1922053107
  Medicare reassignment Care Compare group NPD
• Sutter Bay Medical Foundation

  dba Sutter Pacific Medical Foundation

  • Multi-Specialty Clinic/Center
  • Sacramento, CA
  • NPI 1003267196
  NPD
• Sutter Bay Medical Foundation

  dba Palo Alto Medical Foundation

  • Clinical Medical Laboratory
  • Santa Clara, CA
  • NPI 1669287033
  NPD
• Aurora Health Care Central, Inc.

  dba Aurora Pharmacy #1224

  • Clinic Pharmacy
  • Sheboygan, WI
  • NPI 1982348124
  NPD
• Sutter East Bay Medical Foundation

  • Clinical Medical Laboratory
  • Berkeley, CA
  • NPI 1831381623
  NPD (past)
• Sutter East Bay Medical Foundation

  • Family Medicine Physician
  • Orinda, CA
  • NPI 1871538769
  NPD (past)

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

• Sutter Bay Hospitals

  dba Eden Medical Center

  • General Acute Care Hospital
  • Castro Valley, CA
  • NPI 1063812907
  Care Compare affiliation
• Aurora Health Care Central, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Sheboygan, WI
  • NPI 1902023955

  Hospital

  Care Compare affiliation
• Aurora Health Care Central, Inc.

  dba Aurora Medical Center Sheboygan County

  • General Acute Care Hospital
  • Sheboygan, WI
  • NPI 1922053107
  Care Compare affiliation
• Aurora Medical Center Grafton, LLC

  • General Acute Care Hospital
  • Grafton, WI
  • NPI 1265740195
  Care Compare affiliation
• Visiting Nurse Association of Wisconsin, Inc

  dba Aurora at Home

  • Home Health Agency
  • Green Bay, WI
  • NPI 1932361763
  Care Compare affiliation

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

{
    "created_epoch": "1371772800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784678400000",
    "number": "1710326889",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20130 LAKE CHABOT RD STE 307",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945465340",
            "telephone_number": "510-204-8383"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20130 LAKE CHABOT RD STE 307",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945465340",
            "telephone_number": "510-204-8383",
            "fax_number": "510-506-7729"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "XIAO",
        "first_name": "KUN",
        "credential": "MD MPH",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-21",
        "last_updated": "2026-07-22",
        "certification_date": "2026-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "C203998",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "WI",
            "license": "70244",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• William Garin Wood, M.D., M.S.
• Lily Woodruff
• Bryan Worthy, D.C.
• L. Stephanie Wu, O.D.
• Annika Wurm
• Ling Xu, M.D.
• Weiwei Xu, MD
• Helen Woohee Yang, MD
• Jiaqi Yang, R.D.
• Shervin K Yazdi IX, D.D.S.

• Hematology & Oncology Physician in Castro Valley, CA
• Providers in Castro Valley, CA by specialty
• Hematology & Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 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.