Joseph John Martinez-O'Hara, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

F7833 Issued in TX

Practice address

120 Uptown Ave
Brownsville, TX 78520-7559

Phone

(956) 982-0909

Fax

(956) 982-0921

NPI assigned

Jun 14, 2006

Last updated

Mar 2, 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 3

Addresses

Other identifiers 3

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-api.fhirprod.aws.greenwayhealth.com/fhir/R4/2.16.840.1.113883.3.441.991

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.

• Yasmin S Maldonado MD PA

  • Internal Medicine Physician
  • Brownsville, TX
  • NPI 1558494765
  Medicare reassignment NPD
• C.L. Anderson, Jr., M.D., PLLC

  • Family Medicine Physician
  • Brownsville, TX
  • NPI 1396967659
  NPD
• Isaac Ornelas

  • Physical Therapist
  • Brownsville, TX
  • NPI 1669855870
  NPD (past)
• Oncology Pharmacy Services, Inc

  dba Texas Oncology Pharmacy - Keller

  • Community/Retail Pharmacy
  • Fort Worth, TX
  • NPI 1356064513
  NPD (past)
• Oncology Pharmacy Services, Inc

  dba Texas Oncology Pharmacy Brownsville

  • Specialty Pharmacy
  • Brownsville, TX
  • NPI 1457373748
  NPD (past)

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

{
    "created_epoch": "1150243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1710920624",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "120 UPTOWN AVE",
            "city": "BROWNSVILLE",
            "state": "TX",
            "postal_code": "785207559",
            "telephone_number": "956-982-0909",
            "fax_number": "956-982-0921"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "120 UPTOWN AVE",
            "city": "BROWNSVILLE",
            "state": "TX",
            "postal_code": "785207559",
            "telephone_number": "956-982-0909",
            "fax_number": "956-982-0921"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3302 Boca Chica Blvd",
            "address_purpose": "LOCATION",
            "city": "Brownsville",
            "state": "TX",
            "postal_code": "785215193",
            "country_code": "US",
            "telephone_number": "956-982-1001",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2150 N Expressway",
            "address_2": "#83",
            "address_purpose": "LOCATION",
            "city": "Brownsville",
            "state": "TX",
            "postal_code": "785211561",
            "country_code": "US",
            "telephone_number": "956-548-0810",
            "fax_number": "956-548-2198",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARTINEZ-O'HARA",
        "first_name": "JOSEPH",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-14",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "F7833",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "TX",
            "license": "F7833",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "TX",
            "license": "F7833",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS OF TX",
            "identifier": "8U1534",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "99937704",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "99937705",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Juan Manuel Marroquin, OPTICIAN
• Martha Leticia Garcia (Unique Home Health)
• Susana Martin-Burgos, SLP-CCC
• Nicole Martin
• Rafael A Martin, M.D.
• Alejandra Martinez, NP-C
• Carlos Martinez, M.ED., LPC
• Cindy Monica Martinez, LPC-A
• Claudia Martinez
• Dagoberto Martinez, M.D.FACOG,FASC

• Internal Medicine Physician in Brownsville, TX
• Providers in Brownsville, TX by specialty
• Internal Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 2, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.