NPIMap

Individual provider Active NPI

Guillermo Arturo Obregon Jr., MD

  • Family Medicine Physician
  • Brownsville, TX
National Provider Identifier
1033732227
Registry record updated Nov 20, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
U7734 Issued in TX
Practice address
100 E Alton Gloor Blvd
Brownsville, TX 78526-3328
Phone
(956) 350-7000
NPI assigned
May 21, 2020
Last updated
Nov 20, 2024By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 20, 2024

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NH
Family Medicine Physician 207Q00000X 24858 NH
Family Medicine Physician 207Q00000X U7734 TX Primary
Internal Medicine Physician 207R00000X 0101279888 VA
Hospitalist Physician 208M00000X U7734 TX

Addresses

Primary practice location

100 E Alton Gloor Blvd
Brownsville, TX 78526-3328

Mailing address

10006 Apparitions Dr
Laredo, TX 78045-4262
Phone (603) 957-8855

Other practice location 1

311 Route 108
Somersworth, NH 03878-1522
Phone (603) 749-2346

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, NH2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20240202003882 TX Practitioner - Internal Medicine 2466895792 Reassigns benefits to 3 organizations
I20240813000099 NH Practitioner - Family Practice 2466895792 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hni Physician Services of Texas IncGroup PAC ID 5092128710, 14 clinicians
Hni Medical ServicesGroup PAC ID 6406028810, 35 clinicians

Practice addresses (Care Compare)

10700 McPherson Rd
Laredo, TX 78045-6268
Phone (512) 730-3056

512 Victoria LN
Suite 12
Harlingen, TX 78550-3228
Phone (956) 440-6300

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
24858NHMDFamily Medicine Physician
U7734TXMDFamily Medicine Physician
0101279888VAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Hni Hospital Services of Texas, Inc Family Medicine CurrentSince Apr 15, 2024 Accepting new patients
Greater Seacoast Community Health CurrentSince May 16, 2024 Accepting new patients
Hni Medical Services Family Medicine CurrentSince Jan 1, 2024 Accepting new patients
Hni Physician Services of Texas, Inc Family Medicine CurrentSince Aug 18, 2025 Accepting new patients
Greater Seacoast Community Health Current Accepting new patients
Greater Seacoast Community Health CurrentSince May 16, 2024 Accepting new patients
Empire Spanish Meadows LTD Past Accepting new patients
Columbia Valley Healthcare System, L.P. Past Accepting new patients
Val Verde County Hospital District Past Accepting new patients
Val Verde County Hospital District Past Accepting new patients
Heritage Brownsville Health Development, LLC Past Accepting new patients
Uvalde County Hospital Authority Past Accepting new patients

Locations

8 Greenleaf Woods Dr
Portsmouth, NH 03801
Phone (603) 422-8208

311 Route 108
Somersworth, NH 03878
Phone (603) 422-8208

7500 Rialto Blvd
Ste 1-140
Austin, TX 78735

901 Wildrose Ln
Brownsville, TX 78520
Phone (956) 356-9738

512 Victoria Ln
Ste 12
Harlingen, TX 78550
Phone (956) 440-6322

1401 St Joseph Pkwy
Houston, TX 77002
Phone (713) 575-1000

7514 Kingsley St
Houston, TX 77087
Phone (713) 644-8393

10700 McPherson Rd
Laredo, TX 78045
Phone (956) 523-2190

101 E Ridge Rd
McAllen, TX 78503
Phone (956) 632-6000

2555 Jimmy Johnson Blvd
Port Arthur, TX 77640
Phone (409) 724-7389

422 E 18th St
Weslaco, TX 78596
Phone (956) 973-8451

Interoperability endpoints

  • Direct secure messaging: guillermo.obregon.1@28518.direct.athenahealth.com

Organizations & group practices 12

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.

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1590019200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1732060800000",
    "number": "1033732227",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10006 APPARITIONS DR",
            "city": "LAREDO",
            "state": "TX",
            "postal_code": "780454262",
            "telephone_number": "603-957-8855"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 E ALTON GLOOR BLVD",
            "city": "BROWNSVILLE",
            "state": "TX",
            "postal_code": "785263328",
            "telephone_number": "956-350-7000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "311 Route 108",
            "address_purpose": "LOCATION",
            "city": "Somersworth",
            "state": "NH",
            "postal_code": "038781522",
            "country_code": "US",
            "telephone_number": "603-749-2346",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OBREGON",
        "first_name": "GUILLERMO",
        "middle_name": "ARTURO",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-05-21",
        "last_updated": "2024-11-20",
        "certification_date": "2024-11-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NH",
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NH",
            "license": "24858",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "TX",
            "license": "U7734",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0101279888",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "U7734",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Brownsville, TX

Sources for this page

Verify at the official NPI Registry.