Individual provider Active NPI

Justin Arunthamakun, M.D

  • Clinical Cardiac Electrophysiology Physician
  • McKinney, TX
National Provider Identifier
1679936074
Registry record updated Sep 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X
License
R4809 Issued in TX
Practice address
5236 W University Dr Ste 4900
McKinney, TX 75071-8185
Phone
(972) 860-8679
NPI assigned
Apr 1, 2016
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 8, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X BP10056212 TX
Clinical Cardiac Electrophysiology Physician 207RC0001X R4809 TX Primary
Internal Medicine Physician 207R00000X 01087599A IN

Addresses

Primary practice location

5236 W University Dr Ste 4900
McKinney, TX 75071-8185

Mailing address

8414 Naab Rd
Indianapolis, IN 46260-1972

Other practice location 1

1 Baylor Plz
Houston, TX 77030-3411
Phone (713) 798-5588

Other practice location 2

8414 Naab Rd
Indianapolis, IN 46260-1972
Phone (317) 338-7770

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
I20240913002643 TX Practitioner - Cardiac Electrophysiology 1951639582 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Cardiac Electrophysiology
Education
University of Tennessee, HSC, College of Medicine, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Healthtexas Provider NetworkGroup PAC ID 1355254210, 2,535 clinicians

Practice addresses (Care Compare)

5236 W University
4900 The Heart Group
McKinney, TX 75071-8185
Phone (469) 800-5350

Hospital & facility affiliations

  • Baylor Scott and White Medical Center McKinney Hospital, MC Kinney, TX, CCN 670082
  • Baylor Scott & White the Heart Hospital Plano Hospital, Plano, TX, CCN 670025
  • Baylor Scott and White the Heart Hospital Corinth Hospital, Denton, TX, CCN 670347
  • Baylor Scott and White Medical Center Frisco at PG Hospital, Frisco, TX, CCN 670346
  • Baylor Scott & White Medical Center Grapevine Hospital, Grapevine, TX, CCN 450563

Procedures performed for Medicare patients

ProcedureNumber of procedures
Pacemaker insertion or repair53

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
BP10056212TXMDInternal Medicine Physician
R4809TXMDClinical Cardiac Electrophysiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Healthtexas Provider Network Internal Medicine Current Accepting new patients
Healthtexas Provider Network CurrentSince Sep 23, 2024 Accepting new patients
Healthtexas Provider Network CurrentSince Sep 23, 2024 Accepting new patients
Healthtexas Provider Network Past Accepting new patients

Locations

4001 Worth St
#A
Dallas, TX 75246
Phone (214) 820-8665

301 N Washington Ave
Fl 5
Dallas, TX 75246
Phone (469) 800-8742

4001 Worth St
Dallas, TX 75246
Phone (214) 828-1745

7217 Telecom Pkwy
Ste 300
Garland, TX 75044
Phone (469) 800-2000

5236 W University Dr
Ste 4900
McKinney, TX 75071
Phone (469) 800-5350

821 N Coleman St
Ste 100
Prosper, TX 75078
Phone (469) 800-5200

Interoperability endpoints

  • Direct secure messaging: jarunthamakun91324@direct.phhs.org
  • Direct secure messaging: jarunthamakun483446@direct.sw.org

Ownership & related parties

All facility ownership & control disclosures 2

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Baylor Scott & White the Heart Hospital - PlanoPlano, TX, CCN 670025 Hospital General Partnership Interest Oct 15, 2024
Baylor Scott & White the Heart Hospital - DentonDenton, TX, CCN 450893 Hospital General Partnership Interest Oct 15, 2024

Owned or controlled facilities with NPI records 2

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 4

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 5

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": "1459468800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757289600000",
    "number": "1679936074",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8414 NAAB RD",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462601972"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5236 W UNIVERSITY DR STE 4900",
            "city": "MCKINNEY",
            "state": "TX",
            "postal_code": "750718185",
            "telephone_number": "972-860-8679"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Baylor Plz",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770303411",
            "country_code": "US",
            "telephone_number": "713-798-5588",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "8414 Naab Rd",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462601972",
            "country_code": "US",
            "telephone_number": "317-338-7770",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ARUNTHAMAKUN",
        "first_name": "JUSTIN",
        "name_prefix": "Dr.",
        "credential": "M.D",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-04-01",
        "last_updated": "2025-09-08",
        "certification_date": "2025-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "BP10056212",
            "primary": false
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "TX",
            "license": "R4809",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "01087599A",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in McKinney, TX

Sources for this page

Verify at the official NPI Registry.