Jon-Cecil Martin Walkes, MD

Primary specialty

Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X

License

L0955 Issued in TX

Practice address

1900 North Loop W Ste 180
Houston, TX 77018-8151

Phone

(281) 888-0809

Fax

(877) 559-7682

NPI assigned

Jul 26, 2005

Last updated

Dec 10, 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 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

Thoracic Surgery

Education

Un of California, Irvine, College of Medicine, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Houston Cardiothoracic and Vein Surgeons, PLLCGroup PAC ID 7517393408, 3 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Joseph Medical Center Hospital, Houston, TX, CCN 450035
• Memorial Hermann Hospital System Hospital, Houston, TX, CCN 450184

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/AHCBCD/Endpoint/AHCBCD
• Direct secure messaging: jon-cecil.walkes.1@13131.direct.athenahealth.com
• Direct secure messaging: jon-cecil.walkes.2@11939.direct.athenahealth.com

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 Cardiothoracic and Vein Surgeons, PLLC

  dba Texas Heart and Vein Multispecialty Group

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Houston, TX
  • NPI 1275173379
  Medicare reassignment Care Compare group NPD Authorized official
• Cardiovascular, Thoracic, and Vein Surgeons of Texas PLLC

  dba Texas Heart and Vein

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Spring, TX
  • NPI 1871946988
  Medicare reassignment NPD
• Q-Health Partners, PLLC

  • Specialist
  • Houston, TX
  • NPI 1346647260
  Medicare reassignment NPD
• Vascular and Interventional Radiology of America

  dba Alate Health

  • Vascular & Interventional Radiology Physician
  • Houston, TX
  • NPI 1932459476

  Thoracic Surgery (Cardiothoracic Vascular Surgery)

  Medicare reassignment NPD
• Texas Thoracic and Vascular Surgeons PLLC

  dba Texas Heart and Vein Multispecialty Group

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Houston, TX
  • NPI 1053268177
  NPD Authorized official
• Arrhythmia Care Center

  • Clinical Cardiac Electrophysiology Physician
  • Houston, TX
  • NPI 1154949113
  NPD
• Haus Medical Group PLLC

  • Nephrology Physician
  • Houston, TX
  • NPI 1437781960
  NPD
• Cardiovascular Care Providers, Inc.

  • Specialist
  • Houston, TX
  • NPI 1437242617
  NPD (past)

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

• Hsa St. Joseph, LLC

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1639992514
  Care Compare affiliation
• Memorial Hermann Health System

  dba MHHS NW Radiation Therapy

  • Radiology Clinic/Center
  • Houston, TX
  • NPI 1013948553

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  dba MHHS Woodlands Outpatient Imaging System

  • Radiology Clinic/Center
  • The Woodlands, TX
  • NPI 1275564858

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  dba Memorial Hermann Outpatient Imaging-Southwest

  • Radiology Clinic/Center
  • Houston, TX
  • NPI 1407959448

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  dba MHHS Friendswood Imaging

  • Radiology Clinic/Center
  • Friendswood, TX
  • NPI 1508896267

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  dba MHHS Pearland Outpatient Imaging Center

  • Radiology Clinic/Center
  • Pearland, TX
  • NPI 1669402335

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1730132234
  Care Compare affiliation

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

{
    "created_epoch": "1122336000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765324800000",
    "number": "1669472288",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25511 BUDDE RD STE 2502",
            "city": "THE WOODLANDS",
            "state": "TX",
            "postal_code": "773802388",
            "telephone_number": "281-888-0809",
            "fax_number": "877-559-7682"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1900 NORTH LOOP W STE 180",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770188151",
            "telephone_number": "281-888-0809",
            "fax_number": "877-559-7682"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7015 Almeda Rd Ste 3",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770542101",
            "country_code": "US",
            "telephone_number": "281-888-0809",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1315 St Joseph Pkwy Ste 1107",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770028235",
            "country_code": "US",
            "telephone_number": "281-888-0809",
            "fax_number": "877-559-7682",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALKES",
        "first_name": "JON-CECIL",
        "middle_name": "MARTIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-26",
        "last_updated": "2025-12-10",
        "certification_date": "2025-12-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "TX",
            "license": "L0955",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• William A. Walker III, D.D.S.
• William Easton Walker, M.D.
• Yaneka NA'Shay Walker
• Yesenia Walker
• Aliesha Walkes
• Autumn Aspen Leigh Wall, PHARM.D.
• Carla Wall, M.ED., LPC-A
• Celani Wall, LPC
• Deena Louise Wall, M.D.
• Gemma Sicam Wall, AU.D.

• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Houston, TX
• Providers in Houston, TX by specialty
• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 10, 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.