Doctor profile · Federal record

Dr. Thomas Tran, MD

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Corona, CA

  • NPI 1710972997
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 S Main St
Corona, CA 928823420
(951) 278-5590
fax (951) 272-9924
Mailing address
Po Box 77790
Corona, CA 928770126

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
December 8, 2021
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A85242

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710972997. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
409
Distinct HCPCS
5
Medicare allowed
$40,701
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 212 95 $121
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 76 40 $81
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 71 32 $50
99239 Hospital discharge day management, more than 30 minutes 35 35 $117
99238 Hospital discharge day management, 30 minutes or less 15 15 $83

In context: peer comparison

Among 14 peers in this city , average services per provider: 90. This provider delivers 4.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
26
Patients
26
Total drug cost
$137
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 14 $90
Prednisone Generic 12 12 $47

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Tran's medical specialty?
Dr. Thomas Tran practices Internal Medicine Physician in Corona, CA.
Where does Dr. Thomas Tran practice?
Dr. Thomas Tran practices at 800 S Main St, Corona, CA 928823420. Office phone: 9512785590.
What is Dr. Thomas Tran's NPI?
Dr. Thomas Tran's National Provider Identifier (NPI) is 1710972997, issued by NPPES.
Does Dr. Thomas Tran accept Medicare assignment?
Yes. Dr. Thomas Tran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Tran commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.