Robert Leo Garrison II, MD

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

E-4593 Issued in AR

Practice address

6400 Fannin St Ste 1700
Houston, TX 77030-1526

Phone

(713) 486-5527

NPI assigned

Mar 23, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in AR

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

Orthopedic Surgery

Education

University of Missouri, Kansas City, School of Medicine, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Arkansas for Medical SciencesGroup PAC ID 4082528955, 1,159 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Arkansas Medical Sciences Hospital, Little Rock, AR, CCN 040016

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• University of Arkansas for Medical Sciences

  • Internal Medicine Physician
  • Little Rock, AR
  • NPI 1588654016

  Orthopaedic Surgery

  Medicare reassignment Care Compare group NPD
• University of Arkansas for Medical Sciences

  • Family Medicine Physician
  • El Dorado, AR
  • NPI 1023795051
  NPD
• Rockhill Orthopaedics Inc

  • Orthopaedic Surgery Physician
  • Lees Summit, MO
  • NPI 1851352140
  NPD (past)

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

• University of Arkansas for Medical Sciences

  • General Acute Care Hospital
  • Little Rock, AR
  • NPI 1477549756
  Care Compare affiliation

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

{
    "created_epoch": "1143072000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783123200000",
    "number": "1790745099",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6400 FANNIN ST STE 1700",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301526",
            "telephone_number": "713-486-5527"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6400 FANNIN ST STE 1700",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301526",
            "telephone_number": "713-486-5527"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4301 W Markham St",
            "address_purpose": "LOCATION",
            "city": "Little Rock",
            "state": "AR",
            "postal_code": "722057101",
            "country_code": "US",
            "telephone_number": "501-604-6900",
            "fax_number": "501-604-3220",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GARRISON",
        "first_name": "ROBERT",
        "middle_name": "LEO",
        "name_prefix": "Dr.",
        "name_suffix": "II",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-23",
        "last_updated": "2026-07-04",
        "certification_date": "2026-07-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "OK",
            "license": "26719",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "AR",
            "license": "E-4593",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "158707001",
            "state": "AR"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PALMETTO MEDICARE RAILROAD",
            "identifier": "P00256786",
            "state": "AR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Brandy Ann Garrison, COTA
• Brianna Garrison, MSW, LCSW
• Kayla Garrison, OTR/L
• Kimberly Garrison, PSYD
• Paige Allison Garrison, M.D.
• Sheridan Riles Garrison
• Susan J Garrison, M.D.
• Thomas Sherwood Garrison, DPM
• Maria Amelia Garrone, DDS
• Andrea Gartman, MOT, OTR

• Orthopaedic Surgery Physician in Houston, TX
• Providers in Houston, TX by specialty
• Orthopaedic Surgery Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 4, 2026; 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.