Guillermo Marquez Macias Sr.

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

AP144288 Issued in TX

Practice address

908 Southmore Ave Ste 100
Pasadena, TX 77502-1120

Phone

(713) 554-1091

NPI assigned

Jan 16, 2020

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

Electronic endpoints 1

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Centerwell Senior Primary Care TX PAGroup PAC ID 4789950247, 111 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: guillermo.macias.1@29601.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 and National Provider Directory roles.

• Centerwell Senior Primary Care (TX) PA

  • Internal Medicine Physician
  • Pasadena, TX
  • NPI 1861959298
  Medicare reassignment Care Compare group
• Doctors Express of the Beaumont Area PA

  • Urgent Care Clinic/Center
  • Beaumont, TX
  • NPI 1841525235
  Medicare reassignment NPD
• IV Drip Rejuvenation and Health Mobile Care

  • Family Nurse Practitioner
  • Pasadena, TX
  • NPI 1154170058
  NPD Authorized official
• Centerwell Senior Primary Care (TX) PA

  • Internal Medicine Physician
  • Houston, TX
  • NPI 1023640174
  NPD
• Centerwell Senior Primary Care (TX) PA

  • Internal Medicine Physician
  • Desoto, TX
  • NPI 1689491581
  NPD
• Southlake Doctors Express, PA PSC

  • Urgent Care Clinic/Center
  • Southlake, TX
  • NPI 1942519335
  NPD
• Centerwell Senior Primary Care (TX) PA

  • Internal Medicine Physician
  • Houston, TX
  • NPI 1447717871
  NPD (past)
• Doctors Express of the Temple Area, PA

  • Urgent Care Clinic/Center
  • Temple, TX
  • NPI 1568696227
  NPD (past)
• Neumed, PLLC

  • Urgent Care Clinic/Center
  • Houston, TX
  • NPI 1124658679
  NPD (past)

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

{
    "created_epoch": "1579132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773619200000",
    "number": "1013547231",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4700 W SAM HOUSTON PKWY N",
            "address_2": "STE 200",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770418224",
            "telephone_number": "713-402-7824",
            "fax_number": "713-570-0196"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "908 SOUTHMORE AVE STE 100",
            "city": "PASADENA",
            "state": "TX",
            "postal_code": "775021120",
            "telephone_number": "713-554-1091"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "545 Gulfgate Center Mall",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770873023",
            "country_code": "US",
            "telephone_number": "832-664-7429",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MACIAS",
        "first_name": "GUILLERMO",
        "middle_name": "MARQUEZ",
        "name_suffix": "Sr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-01-16",
        "last_updated": "2026-03-16",
        "certification_date": "2026-03-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TX",
            "license": "AP144288",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "guillermo.macias.1@29601.direct.athenahealth.com",
            "affiliation": "N",
            "address_1": "545 Gulfgate Center Mall",
            "city": "Houston",
            "state": "TX",
            "country_code": "US",
            "postal_code": "770873023",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Lung Center Associates
• Hien Kevin Luong, DDS
• Luxottica of America Inc.
• James Lynch
• Adetayo S Mabadeje, M.D.
• Wendy C Magee, M.D.
• Magic Touch Dental PLLC
• Jaishree Ramesh Mahbubani, PHARM D
• Kayla Tran Mai
• Karen Malveaux, M.D.

• Family Nurse Practitioner in Pasadena, TX
• Providers in Pasadena, TX by specialty
• Family Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 16, 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.