NPIMap

Individual provider Active NPI

Keith Garrison, MD

  • Gastroenterology Physician
  • Denver, CO
National Provider Identifier
1245868637
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
DR.0076997 Issued in CO
Practice address
2535 S Downing St Ste 410
Denver, CO 80210-5851
Phone
(303) 260-2740
Fax
(303) 260-2741
NPI assigned
Mar 31, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X T7562 TX
Student in an Organized Health Care Education/Training Program 390200000X
Gastroenterology Physician 207RG0100X DR.0076997 CO Primary

Addresses

Primary practice location

2535 S Downing St Ste 410
Denver, CO 80210-5851

Mailing address

2535 S Downing St Ste 410
Denver, CO 80210-5851
Phone (303) 260-2740

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240814004520 TX Practitioner - Internal Medicine 7214475771 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sunset Heights Physician Services PAGroup PAC ID 9830683705, 61 clinicians
Hospitalist Medicine Physicians of Texas PLLCGroup PAC ID 3476688318, 685 clinicians

Practice addresses (Care Compare)

1625 Medical Ctr Dr
El Paso, TX 79902-5005
Phone (915) 747-4000

2001 N Oregon St
Providence Memorial Hospital
El Paso, TX 79902-3320
Phone (915) 577-6011

Hospital & facility affiliations

  • The Hospitals of Providence - Memorial Campus Hospital, El Paso, TX, CCN 450002
  • Sierra Medical Center Hospital, El Paso, TX, CCN 450668
  • The Hospitals of Providence - East Campus Hospital, El Paso, TX, CCN 670047
  • University Medical Center of El Paso Hospital, El Paso, TX, CCN 450024
  • Christus Southern New Mexico Hospital, Alamogordo, NM, CCN 320004

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Sunset Heights Physician Services PA Internal Medicine CurrentSince Jan 26, 2026 Accepting new patients
Hospitalist Medicine Physicians of Texas, PLLC Internal Medicine CurrentSince Jul 1, 2024 Accepting new patients

Locations

120 Brentwood Commons Way
Ste 510
Brentwood, TN 37027
Phone (253) 682-6040

1625 Medical Center Dr
El Paso, TX 79902
Phone (915) 577-7746

2001 N Oregon St
El Paso, TX 79902
Phone (915) 577-6011

3280 Joe Battle Blvd
El Paso, TX 79938
Phone (915) 577-6000

18951 N Memorial Dr
Humble, TX 77338
Phone (281) 319-8409

2600 Saint Michael Dr
Texarkana, TX 75503
Phone (903) 614-1000

Organizations & group practices 2

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.

Hospital & facility affiliations 8

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": "1585612800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1245868637",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2535 S DOWNING ST STE 410",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802105851",
            "telephone_number": "303-260-2740",
            "fax_number": "303-260-2741"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2535 S DOWNING ST STE 410",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802105851",
            "telephone_number": "303-260-2740",
            "fax_number": "303-260-2741"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GARRISON",
        "first_name": "KEITH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-31",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "T7562",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CO",
            "license": "DR.0076997",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

Verify at the official NPI Registry.