NPPES file of Aug 9, 2026

Hojin Sun

Internal Medicine Physician · Rowlett, TX

Hojin Sun is an internal medicine physician with a practice address in Rowlett, Texas, and NPI 1619530003, issued on Apr 21, 2019. Check the license (Texas T7054, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619530003
Name
Hojin Sun
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
T7054 TX
99689 GA
Self-reported in NPPES; status is on the state search
Practice location
6800 Scenic Dr, Rowlett, TX 75088
Phone
(972) 520-8000
Enumerated
Apr 21, 2019
Record last updated
Jan 5, 2026
Medicare enrollment
Enrolled (PECOS I20220919000749); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6800 Scenic Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Junaid Ahsan, DOHospitalist Physician1780978684
  2. Halli Carr, DNP, APRN, ACNP-BCAcute Care Nurse Practitioner1952585929
  3. Sadie ColeEmergency Medicine Physician1003252651
  4. Larry Dencklau, DOEmergency Medicine Physician1497736375
  5. Lin Du, D.O.Emergency Medicine Physician1154477016
  6. Derrick Dvorak, MDEmergency Medicine Physician1164607446

Verify Hojin Sun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license T7054
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% fewer Medicare Part D claims than the average internal medicine physician in 2024

641 Medicare Part D claims for 336 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 34 claims were for opioids.

  1. Hojin Sun641
  2. Specialty average3,176

Most prescribed

  1. Amoxicillin-Clavulanate Potass65 claims
  2. Prednisone37 claims
  3. Doxycycline Hyclate30 claims
  4. Methocarbamol24 claims
  5. Lisinopril23 claims
  6. Eliquis21 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Healthtexas Provider NetworkRowlett, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hojin Sun among 9,175 internal medicine physician records in Texas

Hojin Sun is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 82% of them.

  • NPI issued2019 · 82% of these records are older, 15% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2019 · median 2004 among the 6,088 with a school on file
  • Record last updated2026 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 internal medicine physician records list a practice address in Rowlett

They are 8 of the 734 NPPES records with a practice address in Rowlett, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ferit AcarRowlett, TX 750881841260304
  2. Larry Christopher, M.D.Rowlett, TX 750881477623551
  3. Thitina JimmaRowlett, TX 750881235496779
  4. Michael Kim, DORowlett, TX 750881609496702
  5. Roberto Lopez, D.O.Rowlett, TX 750881144279373
  6. Michael MixonRowlett, TX 750881386750461
  7. Rubin Thomas, MDRowlett, TX 750881750724001
  8. Michelle Rester, MDRockwall, TX 750871629396114

Common questions

What is Hojin Sun's NPI number?

Hojin Sun's National Provider Identifier (NPI) is 1619530003, issued on Apr 21, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Hojin Sun located?

The NPPES record lists a practice address at 6800 Scenic Dr, Rowlett, TX, 75088. Phone: (972) 520-8000. Providers update this record themselves, so call before visiting.

How can I verify Hojin Sun's license?

NPPES lists Texas license number T7054, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Hojin Sun prescribe under Medicare Part D?

In 2024, Hojin Sun had 641 Medicare Part D claims for 336 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.