THOMAS THANH TRAN (MD) – Internal Medicine Physician, NPI 1710972997
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
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Provider Addresses for THOMAS THANH TRAN (MD)
PO BOX 77790
CORONA, CA 928770126
Phone: (951) 278-5590
Type: Mailing
Corona Regional Medical Center, 800, South Main Street, Corona, Riverside County, California, 92879, United States
CORONA, CA 928823420
Phone: (951) 278-5590
Fax: (951) 272-9924
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $117.
Total Amount is formed as General ($117) + Research ($0) + Ownership ($0) = $117.
Last reported payment date: 2023-04-17 • Largest payer in this snapshot: Dexcom, Inc. ($117).
Total Amount
$117
General + Research + Ownership
Payments
1
Total payment records
General Amount
$117
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-04-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Dexcom, Inc. | $117 |
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: 2005-01-24
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20050124000692 | I | Internal Medicine | CA | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 212 | 95 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 76 | 40 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 71 | 32 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 35 | 35 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 15 | 15 | $0 |
Insurance plans in this area (ZIP 92877)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Critical Care (Intensivists) | FL | |
| Internal Medicine, Critical Care (Intensivists) | CA | |
| Internal Medicine, Pediatric Medicine | CA | |
| - | CA | |
| - | CA | |
| Critical Care (Intensivists), Pulmonary Disease | CA | |
| - | CA | |
| Internal Medicine, Pulmonary Disease, Critical Care (Intensivists) | CA | |
| - | CA | |
| - | CA |
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