Xishi Tan, M.D.

Primary specialty

Urology PhysicianTaxonomy code 208800000X

License

Q5578 Issued in TX

Practice address

18220 State Highway 249 Ste 365
Houston, TX 77070-4377

Phone

(281) 737-0930

NPI assigned

Jun 21, 2010

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

Other identifiers 1

Other names 1

• James Tan Other name

Medicare fee-for-service enrollment

Enrolled in TX

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

Urology

Education

University of Texas Medical School at San Antonio, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

TMH Physician Associates PLLCGroup PAC ID 4486711744, 1,881 clinicians

Houston Methodist Specialty PhysiciansGroup PAC ID 5193239796, 1,498 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Houston Methodist Willowbrook Hospital Hospital, Houston, TX, CCN 450844
• Houston Methodist the Woodlands Hospital Hospital, The Woodlands, TX, CCN 670122
• Houston Methodist Cypress Hospital Hospital, Cypress, TX, CCN 670342
• Houston Methodist West Hospital Hospital, Houston, TX, CCN 670077

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: xtan43850@directhoustonmethodist.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.

• Houston Methodist Specialty Physicians

  • Otolaryngology Physician
  • Houston, TX
  • NPI 1902614332

  Surgery

  Medicare reassignment Care Compare group NPD
• TMH Physician Associates PLLC

  • Ophthalmology Physician
  • Houston, TX
  • NPI 1275779225
  Medicare reassignment Care Compare group NPD
• TMH Physician Associates PLLC

  • Orthopaedic Surgery Physician
  • Spring, TX
  • NPI 1043061351
  NPD

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

• Methodist Health Centers

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1083937593
  Care Compare affiliation
• Methodist Health Centers

  • General Acute Care Hospital
  • The Woodlands, TX
  • NPI 1184179194
  Care Compare affiliation
• Methodist Health Centers

  • General Acute Care Hospital
  • Cypress, TX
  • NPI 1629828405
  Care Compare affiliation
• Methodist Health Centers

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1871619254
  Care Compare affiliation

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

{
    "created_epoch": "1277078400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1285955591",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18220 STATE HIGHWAY 249 STE 400",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770704349",
            "telephone_number": "281-737-0930"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18220 STATE HIGHWAY 249 STE 365",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770704377",
            "telephone_number": "281-737-0930"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAN",
        "first_name": "XISHI",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-06-21",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "TX",
            "license": "BP10036870",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "TX",
            "license": "Q5578",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "361617901",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "JAMES",
            "last_name": "TAN",
            "credential": "M.D.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Raymond Tan, PTA
• Robert S Tan, M.D.
• Stephen Lon Tan, DMD
• Thomas Chang Tan, M.D.
• Wan Ling Tan, DDS
• Xue Li Samantha Tan, MED
• Christopher Tanabe, MD
• Akiko Tanaka, M.D., PH.D.
• Rachel Mary Tanas, DO
• Nasir A Tanauli, MD

• Urology Physician in Houston, TX
• Providers in Houston, TX by specialty
• Urology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 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.