Active NPI
Justin Arunthamakun, M.D
- Clinical Cardiac Electrophysiology Physician
- McKinney, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Cardiac Electrophysiology Physician
- License
- R4809
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
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
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
- Baylor Scott & White the Heart Hospital Plano
- Baylor Scott and White the Heart Hospital Corinth
- Baylor Scott and White Medical Center Frisco at PG
- Baylor Scott & White Medical Center Grapevine
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Pacemaker insertion or repair | 53 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| BP10056212 | TX | MD | Internal Medicine Physician |
| R4809 | TX | MD | Clinical Cardiac Electrophysiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Healthtexas Provider Network | Internal Medicine | Current | Accepting new patients |
| Healthtexas Provider Network | Current | Accepting new patients | |
| Healthtexas Provider Network | Current | 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
- jarunthamakun91324@direct.phhs.org
- 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.
| Facility | Type | Role | Since |
|---|---|---|---|
| Baylor Scott & White the Heart Hospital - Plano | Hospital | General Partnership Interest | Oct 15, 2024 |
| Baylor Scott & White the Heart Hospital - Denton | 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.
-
- General Acute Care Hospital
- Plano, TX
- NPI 1962504340
General Partnership Interest
-
- General Acute Care Hospital
- Denton, TX
- NPI 1194753590
General Partnership Interest
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.
-
- Anesthesiology Physician
- Lakeway, TX
- NPI 1104714583
-
- Family Medicine Physician
- Flower Mound, TX
- NPI 1427054402
-
- Family Medicine Physician
- Plano, TX
- NPI 1003811639
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Grapevine, TX
- NPI 1073511762
-
- General Acute Care Hospital
- McKinney, TX
- NPI 1124305065
-
- General Acute Care Hospital
- Frisco, TX
- NPI 1851108765
-
- General Acute Care Hospital
- Plano, TX
- NPI 1962504340
-
- General Acute Care Hospital
- Denton, TX
- NPI 1669213831
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 8, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; 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.