MDS First Assistants, LLC

Primary specialty

Electrodiagnostic Medicine PhysicianTaxonomy code 204R00000X

Legal business name

MDS FIRST ASSISTANTS, LLC

Practice address

63 Haven Shore LN
Sugar Land, TX 77479-3748

Phone

(832) 334-1436

NPI assigned

Nov 19, 2014

Last updated

Sep 21, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Mr. Erika Brown

Title

Manager

Phone

(832) 507-1690

Specialties & licenses 2

Addresses

Other names 1

• Vanguard Surgical Assist, LLC Former legal business name

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Mariano D Delos Santos Jr., RNFA

  • Registered Nurse First Assistant
  • Sugar Land, TX
  • NPI 1740226604
  NPD (past)

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

{
    "created_epoch": "1416355200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1789948800000",
    "number": "1649676677",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5680 HIGHWAY 6 # 327",
            "city": "MISSOURI CITY",
            "state": "TX",
            "postal_code": "774594188"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "63 HAVEN SHORE LN",
            "city": "SUGAR LAND",
            "state": "TX",
            "postal_code": "774793748",
            "telephone_number": "832-334-1436"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MDS FIRST ASSISTANTS, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2014-11-19",
        "last_updated": "2026-09-21",
        "certification_date": "2026-09-21",
        "status": "A",
        "authorized_official_last_name": "BROWN",
        "authorized_official_first_name": "ERIKA",
        "authorized_official_title_or_position": "MANAGER",
        "authorized_official_telephone_number": "832-507-1690",
        "authorized_official_name_prefix": "Mr."
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "TX",
            "license": "624425",
            "primary": false
        },
        {
            "code": "204R00000X",
            "taxonomy_group": "",
            "desc": "Electrodiagnostic Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Vanguard Surgical Assist, LLC",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

• Matthew Gray McMenemy, MD
• Scott David McMenemy, M.D.
• Tammie Valtina McNeal-Ibikunle, FNP-C
• Timothy McNiel, CSFA
• Shannon Rene' McWhorter, CSFA, LSA
• Denise Meacham-Cannon, CNIM, CRET, R.EP.T
• Med Scripts Homecare Corporation
• Med-Source Healthcare Services, Inc
• Med-Source Homecare Services
• Medbridgeax Billing Services LLC

• Electrodiagnostic Medicine Physician in Sugar Land, TX
• Providers in Sugar Land, TX by specialty
• Electrodiagnostic Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.