Individual provider Active NPI

Osama B Nahas, M.D.

  • Internal Medicine Physician
  • Edinburg, TX
National Provider Identifier
1477540953
Registry record updated Dec 9, 2019
On this page

OIG exclusion record

The HHS Office of Inspector General’s List of Excluded Individuals/Entities (LEIE) contains a record with this NPI:

  • Section 1128a(1) exclusion effective Jul 20, 2026.

Matched on NPI only. Confirm current status with the OIG exclusions search before relying on it.

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
J9233 Issued in TX
Practice address
2505 W Trenton Rd
Edinburg, TX 78539-5070
Phone
(956) 683-7473
Fax
(956) 683-1900
NPI assigned
Sep 30, 2005
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 9, 2019

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X J9233 TX Primary

Addresses

Primary practice location

2505 W Trenton Rd
Edinburg, TX 78539-5070

Mailing address

2505 W Trenton Rd
Edinburg, TX 78539-5070
Phone (956) 683-7473

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Osama B. Nahas M.D. P.a. Current Accepting new patients
Monzer H Yazji MD & Associates PLLC Internal Medicine Past Accepting new patients
South Texas Physician Partners PLLC Internal Medicine PastSince Feb 15, 2026 Accepting new patients

Locations

2505 W Trenton Rd
Edinburg, TX 78539
Phone (956) 683-7473

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1128038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1575849600000",
    "number": "1477540953",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2505 W TRENTON RD",
            "city": "EDINBURG",
            "state": "TX",
            "postal_code": "785395070",
            "telephone_number": "956-683-7473",
            "fax_number": "956-683-1900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2505 W TRENTON RD",
            "city": "EDINBURG",
            "state": "TX",
            "postal_code": "785395070",
            "telephone_number": "956-683-7473",
            "fax_number": "956-683-1900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NAHAS",
        "first_name": "OSAMA",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-09-30",
        "last_updated": "2019-12-09",
        "certification_date": "2019-12-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "J9233",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Edinburg, TX

Sources for this page

Verify at the official NPI Registry.