Luis James Ruiz, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

U4325 Issued in TX

Practice address

5616 Lawndale St Ste A108
Houston, TX 77023-3821

Phone

(832) 548-5000

Fax

(713) 921-0075

NPI assigned

Mar 20, 2019

Last updated

Aug 18, 2026By 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

Obstetrics/Gynecology

Education

Texas Tech University Health Science Center School of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Big Bend Hospital CorporationGroup PAC ID 7214918036, 6 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Big Bend Regional Medical Center Hospital, Alpine, TX, CCN 451378
• Midland Memorial Hospital Hospital, Midland, TX, CCN 450133

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: lruiz03@yourcarecommunity.org
• Direct secure messaging: luis.ruiz.1@12292.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.

• Big Bend Hospital Corporation

  dba Big Bend Regional Medical Center

  • Certified Registered Nurse Anesthetist
  • Alpine, TX
  • NPI 1629271630
  Medicare reassignment Care Compare group NPD
• Big Bend Hospital Corporation

  • General Practice Physician
  • Alpine, TX
  • NPI 1770024259
  NPD
• Big Bend Hospital Corporation

  dba Big Bend Regional Medical Center

  • Critical Access Hospital
  • Alpine, TX
  • NPI 1356312243
  NPD (past)

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

• Big Bend Hospital Corporation

  dba Big Bend Regional Medical Center

  • Critical Access Hospital
  • Alpine, TX
  • NPI 1356312243
  Care Compare affiliation
• Midland County Hospital District

  dba Midland Memorial Hospital

  • General Acute Care Hospital
  • Midland, TX
  • NPI 1255325817
  Care Compare affiliation

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

{
    "created_epoch": "1553040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1922568559",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5616 LAWNDALE ST STE A108",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770233821",
            "telephone_number": "832-548-5000",
            "fax_number": "713-921-0075"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5616 LAWNDALE ST STE A108",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770233821",
            "telephone_number": "832-548-5000",
            "fax_number": "713-921-0075"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RUIZ",
        "first_name": "LUIS",
        "middle_name": "JAMES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-20",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TX",
            "license": "U4325",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jennifer Ruiz, FNP
• Jorge I Ruiz, LMSW
• Joseph R. Ruiz, M.D.
• Juan Pablo Ruiz, MD
• Kathya Ruiz
• Maritza Calderon Ruiz, NP-C
• Phoebe A Ruiz
• Sonia Ruiz
• Veronica R Ruiz
• Yesenia Guadalupe Ruiz

• Obstetrics & Gynecology Physician in Houston, TX
• Providers in Houston, TX by specialty
• Obstetrics & Gynecology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 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.