Individual provider Active NPI

June Yowtak Guillet, M.D., PH.D.

  • Neurological Surgery Physician
  • Galveston, TX
National Provider Identifier
1770894586
Registry record updated Nov 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurological Surgery PhysicianTaxonomy code 207T00000X
License
R9360 Issued in TX
Practice address
301 University Blvd
Dept of Surgery, Division Neurosurgery Jsa 9.208
Galveston, TX 77555-0517
Phone
(409) 772-1500
NPI assigned
Jun 25, 2010
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 26, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neurological Surgery Physician 207T00000X 4220 GA
Neurological Surgery Physician 207T00000X R9360 TX Primary

Addresses

Primary practice location

301 University Blvd
Dept of Surgery, Division Neurosurgery Jsa 9.208
Galveston, TX 77555-0517

Mailing address

301 University Blvd
Dept of Surgery, Division Neurosurgery Jsa 9.208
Galveston, TX 77555-0517
Phone (409) 772-1500

Other practice location 1

613 Elizabeth St Ste 809
Corpus Christi, TX 78404-2232
Phone (361) 881-3455

Other practice location 2

20 York Street
YNHH Neurosurgery
New Haven, CT 06510-3220
Phone (203) 688-4242

Other practice location 3

1120 15th St
Augusta, GA 30912-0004
Phone (706) 721-3071

Medicare participation

Medicare enrollment files
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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20181011001086 TX Practitioner - Neurosurgery 9234379066 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurosurgery
Education
University of Texas Medical Branch at Galveston, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Neurosurgical Affiliates of Texas PAGroup PAC ID 1153779137, 5 clinicians
Christus Trinity Clinic TexasGroup PAC ID 3072426741, 1,540 clinicians
Acute Care Surgical Affiliates of Texas PAGroup PAC ID 9931446481, 44 clinicians

Practice addresses (Care Compare)

600 Elizabeth St
Corpus Christi, TX 78404-2235
Phone (361) 881-3000

613 Elizabeth St
Suite 200
Corpus Christi, TX 78404-2221
Phone (361) 434-0966

613 Elizabeth St
Suite 411
Corpus Christi, TX 78404-2223
Phone (361) 888-5524

620 S Fleishel Ave
Christus Trinity Clinic
Tyler, TX 75701-2041
Phone (903) 606-4900

630 S Fleishel Ave
Tyler, TX 75701-2041
Phone (903) 606-5560

Hospital & facility affiliations

  • Christus Spohn Hospital Corpus Christi Hospital, Corpus Christi, TX, CCN 450046

Merit-based Incentive Payment System (MIPS)

Final score
92 of 100Reported as group
Quality
90.22
Promoting interoperability
95
Improvement activities
40
Cost
75.52

Procedures performed for Medicare patients

ProcedureNumber of procedures
Spinal fusion1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4220GAMDProfessional Counselor
R9360TXMDNeurological Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Utmb Faculty Group Practice CurrentSince Sep 18, 2018 Accepting new patients
Neurosurgical Affiliates of Texas, PA Neurological Surgery CurrentSince Jan 1, 2025 Accepting new patients
Umc El Paso Healthcare Inc Neurological Surgery CurrentSince Nov 13, 2023 Accepting new patients
El Paso County Hospital District CurrentSince Jan 31, 2023 Accepting new patients
Acute Care Surgical Affiliates of Texas PA CurrentSince Jan 1, 2025 Accepting new patients
Christus Trinity Clinic Texas CurrentSince Jan 25, 2026 Accepting new patients
Christus Trinity Clinic Texas Neurological Surgery CurrentSince Jan 25, 2026 Accepting new patients
El Paso County Hospital District CurrentSince Jan 31, 2023 Accepting new patients
Trinity Clinic Past Accepting new patients

Locations

600 Elizabeth St
Corpus Christi, TX 78404
Phone (361) 325-2511

613 Elizabeth St
Ste 200
Corpus Christi, TX 78404
Phone (361) 434-0966

1416 George Dieter Dr
El Paso, TX 79936
Phone (877) 822-6281

4500 N Mesa St
El Paso, TX 79912
Phone (915) 532-9000

4815 Alameda Ave
El Paso, TX 79905
Phone (915) 215-6000

301 University Blvd
Galveston, TX 77555
Phone (409) 747-1883

511 Park Grove Dr
Katy, TX 77450
Phone (281) 398-7001

630 S Fleishel Ave
Tyler, TX 75701
Phone (903) 510-8888

Interoperability endpoints

  • Direct secure messaging: jguillett507186@christushealth.direct-ci.net
  • Direct secure messaging: jguilletmd8627@direct.utmb.edu
  • FHIR API: https://api.platform.athenahealth.com/24611/brand/1/csg/1/fhir/r4
  • Direct secure messaging: june.guillet.1@24611.direct.athenahealth.com

Organizations & group practices 9

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.

Hospital & facility affiliations 1

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": "1277424000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764115200000",
    "number": "1770894586",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301 UNIVERSITY BLVD",
            "address_2": "DEPT OF SURGERY, DIVISION NEUROSURGERY JSA 9.208",
            "city": "GALVESTON",
            "state": "TX",
            "postal_code": "775550517",
            "telephone_number": "409-772-1500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "301 UNIVERSITY BLVD",
            "address_2": "DEPT OF SURGERY, DIVISION NEUROSURGERY JSA 9.208",
            "city": "GALVESTON",
            "state": "TX",
            "postal_code": "775550517",
            "telephone_number": "409-772-1500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "613 Elizabeth St Ste 809",
            "address_purpose": "LOCATION",
            "city": "Corpus Christi",
            "state": "TX",
            "postal_code": "784042232",
            "country_code": "US",
            "telephone_number": "361-881-3455",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "20 York Street",
            "address_2": "YNHH Neurosurgery",
            "address_purpose": "LOCATION",
            "city": "New Haven",
            "state": "CT",
            "postal_code": "065103220",
            "country_code": "US",
            "telephone_number": "203-688-4242",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1120 15th St",
            "address_purpose": "LOCATION",
            "city": "Augusta",
            "state": "GA",
            "postal_code": "309120004",
            "country_code": "US",
            "telephone_number": "706-721-3071",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUILLET",
        "first_name": "JUNE",
        "middle_name": "YOWTAK",
        "name_prefix": "Dr.",
        "credential": "M.D., PH.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-06-25",
        "last_updated": "2025-11-26",
        "certification_date": "2025-11-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "GA",
            "license": "4220",
            "primary": false
        },
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "TX",
            "license": "R9360",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Galveston, TX

Sources for this page

Verify at the official NPI Registry.