Jian Guan, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

T1083 Issued in TX

Practice address

6445 Main St FL 24
Houston, TX 77030-1502

Phone

(713) 441-9948

Fax

(713) 441-8791

NPI assigned

May 7, 2015

Last updated

Sep 22, 2025By the provider in NPPES

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 FL, TX2 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/Oncology

Education

Other, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

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 Hospital Hospital, Houston, TX, CCN 450358
• Houston Methodist Willowbrook Hospital Hospital, Houston, TX, CCN 450844
• Houston Methodist Sugarland Hospital Hospital, Sugar Land, TX, CCN 450820
• Houston Methodist the Woodlands Hospital Hospital, The Woodlands, TX, CCN 670122
• Houston Methodist Baytown Hospital Hospital, Baytown, TX, CCN 450424

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jguan374255@directhoustonmethodist.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Houston Methodist Specialty Physicians

  • Otolaryngology Physician
  • Houston, TX
  • NPI 1902614332
  Medicare reassignment Care Compare group NPD
• TMH Physician Associates PLLC

  • Ophthalmology Physician
  • Houston, TX
  • NPI 1275779225

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Central Florida Hospitalist Partners PA

  • Hospitalist Physician
  • Orlando, FL
  • NPI 1558381921
  Medicare reassignment NPD
• Florida Hospital Medical Group Inc

  dba AdventHealth Medical Group

  • Family Medicine Physician
  • Orlando, FL
  • NPI 1225034234

  Internal Medicine

  Medicare reassignment NPD
• TMH Physician Associates PLLC

  • Orthopaedic Surgery Physician
  • Spring, TX
  • NPI 1043061351
  NPD
• Florida Hospital Medical Group Inc

  dba Rothman Orthopaedics AdventHealth Medical Group at Minneola

  • Prosthetic/Orthotic Supplier
  • Minneola, FL
  • NPI 1285591545
  NPD

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

• Methodist Health Centers

  dba Houston Methodist The Woodlands Hospital

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

  dba Houston Methodist Sugar Land Hospital

  • General Acute Care Hospital
  • Sugar Land, TX
  • NPI 1497871628
  Care Compare affiliation
• Methodist Health Centers

  dba Houston Methodist Willowbrook Hospital

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

  dba Houston Methodist Baytown Hospital

  • General Acute Care Hospital
  • Baytown, TX
  • NPI 1891789772
  Care Compare affiliation
• The Methodist Hospital

  dba Houston Methodist Hospital

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1548387418
  Care Compare affiliation

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

{
    "created_epoch": "1430956800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758499200000",
    "number": "1053799304",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6445 MAIN ST FL 24",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301502",
            "telephone_number": "713-441-9948",
            "fax_number": "713-441-8791"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6445 MAIN ST FL 24",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301502",
            "telephone_number": "713-441-9948",
            "fax_number": "713-441-8791"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUAN",
        "first_name": "JIAN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-05-07",
        "last_updated": "2025-09-22",
        "certification_date": "2025-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "TX",
            "license": "T1083",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Leticia Guajardo, D.D.S
• Rebeca Guajardo, CPO, LPO
• Santiago Guajardo, DC
• Taide Vianey Guajardo
• Anthony Powell Gualtieri, M.D
• Lin Feng Guan, PHARMD
• Xiaoming Guan, MD
• Rodrigo C Guanlao Jr., MD
• Ashley Henry Guardado
• Guardian Anesthesia Services PLLC

• Hematology & Oncology Physician in Houston, TX
• Providers in Houston, TX by specialty
• Hematology & Oncology Physician in Texas

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