Leo Simpson, MD

Primary specialty

Advanced Heart Failure and Transplant Cardiology PhysicianTaxonomy code 207RA0001X

License

M2810 Issued in TX

Practice address

7200 Cambridge St FL 6
Houston, TX 77030-4202

Phone

(713) 798-2545

NPI assigned

Aug 11, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in TX, CO, WY3 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 3

Specialty

Advanced Heart Failure and Transplant Cardiology

Education

Other, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Valley View Hospital AssociationGroup PAC ID 1850294778, 205 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Valley View Hospital Association Hospital, Glenwood Springs, CO, CCN 060075
• Aspen Valley Hospital District Hospital, Aspen, CO, CCN 061324
• Grand River Hospital District Hospital, Rifle, CO, CCN 061317
• Baylor St Lukes Medical Center Hospital, Houston, TX, CCN 450193
• Eastern Rio Blanco County Health Service District Hospital, Meeker, CO, CCN 061325

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: leo.simpson.1@9028.direct.athenahealth.com
• Direct secure messaging: lsimpson395701@directhoustonmethodist.org
• Direct secure messaging: lsimpson4616@direct.stlukeshealth.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.

• Valley View Hospital Association

  • Cardiovascular Disease Physician
  • Glenwood Springs, CO
  • NPI 1437271285
  Medicare reassignment Care Compare group NPD
• Baylor College of Medicine

  • Ph.D. Medical Genetics
  • Houston, TX
  • NPI 1881026664

  Internal Medicine

  Medicare reassignment NPD
• The Memorial Hospital

  • Critical Access Hospital
  • Craig, CO
  • NPI 1063418424
  Medicare reassignment NPD
• Memorial Hospital of Carbon County

  • Family Medicine Physician
  • Rawlins, WY
  • NPI 1508900341
  Medicare reassignment
• Memorial Hospital of Carbon County

  • Critical Access Hospital
  • Rawlins, WY
  • NPI 1710298757
  Medicare reassignment
• Baylor College of Medicine

  • Orthopaedic Surgery Physician
  • Sugar Land, TX
  • NPI 1700683844
  NPD
• The Memorial Hospital

  • Land Ambulance
  • Craig, CO
  • NPI 1669288809
  NPD
• Valley View Hospital Association

  • Hospice and Palliative Medicine (Internal Medicine) Physician
  • Carbondale, CO
  • NPI 1457235202
  NPD
• Valley View Hospital Association

  • Cardiovascular Disease Physician
  • Eagle, CO
  • NPI 1750926754
  NPD

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

• CHI St. Luke'S Health Baylor College of Medicine Medical Center

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1184622847
  Care Compare affiliation
• Aspen Valley Hospital District

  • Urgent Care Clinic/Center
  • Basalt, CO
  • NPI 1396986261

  Hospital

  Care Compare affiliation
• Aspen Valley Hospital District

  • Critical Access Hospital
  • Aspen, CO
  • NPI 1518960814
  Care Compare affiliation
• Aspen Valley Hospital District

  • Clinic/Center
  • Snowmass Village, CO
  • NPI 1710942495

  Hospital

  Care Compare affiliation
• Aspen Valley Hospital District

  • Durable Medical Equipment & Medical Supplies
  • Aspen, CO
  • NPI 1942357363

  Hospital

  Care Compare affiliation
• Eastern Rio Blanco County Health Service District

  • Critical Access Hospital
  • Meeker, CO
  • NPI 1801874771
  Care Compare affiliation
• Grand River Hospital District

  • Critical Access Hospital
  • Rifle, CO
  • NPI 1649218991
  Care Compare affiliation
• Valley View Hospital Association

  • Ambulatory Surgical Clinic/Center
  • Basalt, CO
  • NPI 1649885849

  Hospital

  Care Compare affiliation
• Valley View Hospital Association

  • General Acute Care Hospital
  • Glenwood Springs, CO
  • NPI 1982668133
  Care Compare affiliation

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

{
    "created_epoch": "1155254400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763596800000",
    "number": "1922019967",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6620 MAIN ST STE 1225",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302331",
            "telephone_number": "713-798-0280"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7200 CAMBRIDGE ST FL 6",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770304202",
            "telephone_number": "713-798-2545"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "750 Hospital Loop",
            "address_purpose": "LOCATION",
            "city": "Craig",
            "state": "CO",
            "postal_code": "816258750",
            "country_code": "US",
            "telephone_number": "970-824-9411",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7200 Cambridge St Fl 10",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770304202",
            "country_code": "US",
            "telephone_number": "713-798-1750 x2",
            "fax_number": "713-798-4693",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIMPSON",
        "first_name": "LEO",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-11",
        "last_updated": "2025-11-20",
        "certification_date": "2025-11-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "TX",
            "license": "M2810",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "TX",
            "license": "M2810",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "M2810",
            "primary": false
        },
        {
            "code": "207RA0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Advanced Heart Failure and Transplant Cardiology",
            "state": "TX",
            "license": "M2810",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "8CH263",
            "state": "TX"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "lsimpson13862@bcm.ghhdirect.net",
            "affiliation": "N",
            "address_1": "7200 Cambridge St Fl 6",
            "city": "Houston",
            "state": "TX",
            "country_code": "US",
            "postal_code": "770304202",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jennifer Obelgoner Simpson, MSN, RN, NP-C
• Jeremy Simpson, LMT
• Joann Wilson Simpson, LMSW
• Julia Rose Simpson, PA-C
• Lashirah Dashay Simpson
• Melanie Simpson, MS, RD, LD
• Melanie Walden Simpson
• Nancy Simpson, PHD
• Oliver Simpson
• Pamela Simpson

• Advanced Heart Failure and Transplant Cardiology Physician in Houston, TX
• Providers in Houston, TX by specialty
• Advanced Heart Failure and Transplant Cardiology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 20, 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.