Individual provider Active NPI

Kelvin Cory Allenson, M.D.

  • Surgery Physician
  • Houston, TX
National Provider Identifier
1609124775
Registry record updated Aug 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
Q4011 Issued in TX
Practice address
6550 Fannin St Ste 1501
Houston, TX 77030-2743
Phone
(713) 441-5141
NPI assigned
Aug 21, 2012
Last updated
Aug 11, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 11, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X Q4011 TX Primary

Addresses

Primary practice location

6550 Fannin St Ste 1501
Houston, TX 77030-2743

Mailing address

6550 Fannin St Ste 1501
Houston, TX 77030-2743
Phone (713) 441-5141

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20210706001117 TX Practitioner - General Surgery 6901208537 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
University of Miami, LM Miller School of Medicine, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Houston Methodist Specialty PhysiciansGroup PAC ID 5193239796, 1,498 clinicians
TMH Physician Associates PLLCGroup PAC ID 4486711744, 1,881 clinicians

Practice addresses (Care Compare)

6445 Main St
Suite 2500
Houston, TX 77030-1502
Phone (713) 441-3150

6550 Fannin St
Suite 1501
Houston, TX 77030-2743
Phone (713) 441-5141

6565 Fannin St
Houston, TX 77030-2703

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Melanoma (skin cancer) excision11
Removal of tissue1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
TMH Physician Associates PLLC CurrentSince Aug 1, 2021 Accepting new patients
TMH Physician Associates PLLC CurrentSince Aug 1, 2021 Accepting new patients
Houston Methodist Specialty Physicians Surgery CurrentSince Jan 1, 2026 Accepting new patients
Houston Methodist Past Accepting new patients

Locations

6445 Main St
Ste 2500
Houston, TX 77030
Phone (713) 441-3150

6550 Fannin St
Ste 1501
Houston, TX 77030
Phone (713) 441-5141

6565 Fannin St
#623
Houston, TX 77030
Phone (713) 363-8584

7575 San Felipe St
Ste 155
Houston, TX 77063
Phone (713) 266-9955

16605 Southwest Fwy
Ste 400
Sugar Land, TX 77479
Phone (281) 275-0800

Interoperability endpoints

  • Direct secure messaging: kallenson377759@directhoustonmethodist.org

Organizations & group practices 4

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.

Hospital & facility affiliations 5

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

NPI Registry JSON

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

{
    "created_epoch": "1345507200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1609124775",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6550 FANNIN ST STE 1501",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302743",
            "telephone_number": "713-441-5141"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6550 FANNIN ST STE 1501",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302743",
            "telephone_number": "713-441-5141"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALLENSON",
        "first_name": "KELVIN",
        "middle_name": "CORY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-08-21",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "TX",
            "license": "Q4011",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.