Hojin Sun
NPI 1619530003 · Internal Medicine Physician · Rowlett, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hojin Sun is a Internal Medicine Physician provider in Rowlett, TX (NPI 1619530003).
Provider details
- NPI number
- 1619530003
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 99689 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
819 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 316 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 185 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 168 | $165 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 121 | $75 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 17 | $120 |
| Advance Care Planning, First 30 Minutes99497 | 12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 65 | 65 |
| Prednisone | 37 | 37 |
| Doxycycline Hyclate | 30 | 30 |
| Methocarbamol | 24 | 24 |
| Lisinopril | 23 | 11 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 21 | 21 |
| Apixaban |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-21
- Last updated
- 2026-01-05
- Certified
- 2026-01-05
Frequently asked questions
- What is Hojin Sun's NPI number?
- Hojin Sun's National Provider Identifier (NPI) is 1619530003, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hojin Sun's specialty?
- Hojin Sun is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hojin Sun located?
- Hojin Sun's practice location on file with NPPES is 6800 Scenic Dr, Rowlett, TX 75088-4552.
- What is Hojin Sun's phone number?
- The practice phone number listed in the NPPES registry for Hojin Sun is (972) 520-8000.
- Does Hojin Sun accept Medicare?
- Hojin Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hojin Sun's NPI active?
- Yes — Hojin Sun's NPI (1619530003) is active in the NPPES registry as of the last update on 2026-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.