Charles Tandler, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

A195125 Issued in CA

Practice address

710 Lawrence Expy
Santa Clara, CA 95051-5173

Phone

(408) 851-4164

NPI assigned

Apr 4, 2019

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

Electronic endpoints 1

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

Georgetown University School of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sutter Valley Medical FoundationGroup PAC ID 9830094515, 2,473 clinicians

Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Permanente Medical Group IncGroup PAC ID 8921910225, shared by 2 NPIs, 10,928 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Stanford Health Care Hospital, Stanford, CA, CCN 050441

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ctandler691872@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.

• Stanford Health Care

  dba Stanford Medical Center A Trade Name for Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1437292927

  Diagnostic Radiology

  Medicare reassignment Care Compare group NPD
• Sutter Valley Medical Foundation

  dba Sutter Gould Medical Foundation

  • Multi-Specialty Clinic/Center
  • Modesto, CA
  • NPI 1669846986

  Diagnostic Radiology

  Medicare reassignment Care Compare group NPD
• LPCH Medical Group Div of Lucile

  dba Lucile Salter Packard Children's Hospital at Stanford

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

  dba Stanford Health Care Specialty Pharmacy

  • Specialty Pharmacy
  • Mountain View, CA
  • NPI 1760366132
  NPD
• Sutter Valley Medical Foundation

  • Durable Medical Equipment & Medical Supplies
  • Tracy, CA
  • NPI 1720930712
  NPD

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

• Stanford Health Care

  dba SHC Radiation Oncology

  • Radiation Oncology Physician
  • Pleasanton, CA
  • NPI 1124561758

  Hospital

  Care Compare affiliation
• Stanford Health Care

  dba Stanford Health Care Emeryville 5800

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

  dba Stanford Health Care Emeryville 6121

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

  dba Stanford Medical Center A Trade Name for Stanford Health Care

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

  dba Stanford Health Care Pleasanton 5565

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

  dba Stanford Medical Center A Trade Name for 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": "1554336000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784505600000",
    "number": "1346702602",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "710 LAWRENCE EXPY",
            "city": "SANTA CLARA",
            "state": "CA",
            "postal_code": "950515173"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "710 LAWRENCE EXPY",
            "city": "SANTA CLARA",
            "state": "CA",
            "postal_code": "950515173",
            "telephone_number": "408-851-4164"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TANDLER",
        "first_name": "CHARLES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-04",
        "last_updated": "2026-07-20",
        "certification_date": "2026-07-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A195125",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "710 Lawrence Expy",
            "city": "Santa Clara",
            "state": "CA",
            "country_code": "US",
            "postal_code": "950515173",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• James Chung-Ming Tang, M.D.
• Jessica Tang

• Diagnostic Radiology Physician in Santa Clara, CA
• Providers in Santa Clara, 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 20, 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.