HIEN THIEN-HAI TRAN (MD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1821208786
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,323 INTERNAL MEDICINE in TX
Provider Addresses for HIEN THIEN-HAI TRAN (MD)
110 DEER RIDGE DR
ROUND ROCK, TX 786815514
Phone: (512) 458-8400
Fax: (512) 458-8593
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 46 Open Payments records for all available years, with a total value of $2,251.
Total Amount is formed as General ($1,043) + Research ($1,208) + Ownership ($0) = $2,251.
Last reported payment date: 2024-10-24 • Largest payer in this snapshot: Eli Lilly and Company ($1,208).
Total Amount
$2,251
General + Research + Ownership
Payments
46
Total payment records
General Amount
$1,043
General payments
Research Amount
$1,208
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Eli Lilly and Company | $1,208 |
| Lilly USA, LLC | $163 |
| Dexcom, Inc. | $117 |
| Novo Nordisk Inc | $99 |
| Medtronic, Inc. | $77 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2009-08-12
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20090812000162 | I | Endocrinology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 999 | 716 | $0 |
| 95251 | Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 159 | 94 | $0 |
| 76536 | Ultrasound scan of head and neck soft tissue | 153 | 145 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 70 | 68 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 56 | 56 | $0 |
Insurance plans in this area (ZIP 78681)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ENDOCRINOLOGY | TX | 83036 | Hemoglobin A1C level | 372 | 200 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| E N D O C R I N O L O G Y | UT | |
| E N D O C R I N O L O G Y | TX | |
| Nurse Practitioner | TX | |
| Certified Clinical Nurse Specialist (Cns) | TX | |
| Certified Clinical Nurse Specialist (Cns) | TX | |
| Certified Clinical Nurse Specialist (Cns) | TX | |
| Endocrinology, Internal Medicine | TX | |
| - | TX | |
| E N D O C R I N O L O G Y | TX | |
| Nurse Practitioner | TX |
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