McAllen Primary Care Clinic PLLC

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

Legal business name

MCALLEN PRIMARY CARE CLINIC PLLC

Practice address

110 E Savannah Ave BLDG A203
McAllen, TX 78503-1239

Phone

(956) 686-4040

Fax

(956) 686-2936

NPI assigned

Mar 4, 2026

Organization subpart

No

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

Authorized official

Name

Sergio Diaz, PANPI 1740423474

Title

Owner

Phone

(956) 686-4040

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in TX

Enrollment records 1

Locations

Practitioners 6

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Sergio Diaz, PHYSICIAN ASSISTANT

  • Family Medicine Physician
  • McAllen, TX
  • NPI 1740423474
  Medicare reassignment NPD Authorized official
• Fernando Arzola, MD

  • Internal Medicine Physician
  • McAllen, TX
  • NPI 1841289030
  Medicare reassignment
• Cesar Garcia, PA-C

  • Physician Assistant
  • McAllen, TX
  • NPI 1912534819
  Medicare reassignment
• Raul Garcia, PA-C

  • Medical Physician Assistant
  • Mission, TX
  • NPI 1104411966
  Medicare reassignment
• John Steven Hanley, M.D.

  • Family Medicine Physician
  • McAllen, TX
  • NPI 1043533664
  Medicare reassignment
• Michael Songcayauon, PA

  • Medical Physician Assistant
  • McAllen, TX
  • NPI 1578155487
  Medicare reassignment

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

{
    "created_epoch": "1772582400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772582400000",
    "number": "1396690301",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "110 E SAVANNAH AVE BLDG A203",
            "city": "MCALLEN",
            "state": "TX",
            "postal_code": "785031239",
            "telephone_number": "956-686-4040",
            "fax_number": "956-686-2936"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 E SAVANNAH AVE BLDG A203",
            "city": "MCALLEN",
            "state": "TX",
            "postal_code": "785031239",
            "telephone_number": "956-686-4040",
            "fax_number": "956-686-2936"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MCALLEN PRIMARY CARE CLINIC PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-04",
        "last_updated": "2026-03-04",
        "certification_date": "2026-03-04",
        "status": "A",
        "authorized_official_last_name": "DIAZ",
        "authorized_official_first_name": "SERGIO",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "956-686-4040",
        "authorized_official_credential": "PA"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• McAllen Pediatric Clinic (Juan Aguilera and Associates)
• McAllen Pediatric Clinic, P.a.
• McAllen Pharmacy LLC
• McAllen Preventive Care Institute
• McAllen Primary Care Clinic
• McAllen Psychological Center
• McAllen Regional Imaging LLC
• McAllen South Open MRI LP
• McAllen Surgical Specialty Center LTD
• McAllen Surgicenter, LLC (McAllen Surgery Center)

• Family Medicine Physician in McAllen, TX
• Providers in McAllen, TX by specialty
• Family Medicine Physician in Texas

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

Verify at the official NPI Registry.