Doctor profile · Federal record

Dr. Timothy Tran, MD

Gastroenterology Physician (CMS: Gastroenterology) · Torrance, CA

  • NPI 1316164171
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
23451 Madison St Ste 290
Torrance, CA 905054737
(310) 375-1246
fax (310) 375-8790

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
September 26, 2024
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #A70702

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316164171. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
516
Distinct HCPCS
10
Medicare allowed
$75,338
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 109 54 $41
99214 Established patient office or other outpatient visit, 30-39 minutes 68 48 $112
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 57 57 $95
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 57 25 $125
99204 New patient office or other outpatient visit, 45-59 minutes 52 52 $158
45380 Biopsy of large bowel using a flexible endoscope 50 50 $126
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 41 41 $255
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 29 27 $182
91110 Imaging of digestive tract done from the inside of the digestive tract 15 14 $871
45378 Diagnostic exam of large bowel using a flexible endoscope 13 13 $192

In context: peer comparison

Among 19 peers in Torrance Gastroenterology Physician, average services per provider: 105. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$843
Transactions
35
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 13 $235.03
Madrigal Pharmaceuticals 2 $173.29
Pfizer INC. 5 $118.40
GlaxoSmithKline, LLC. 5 $113.82
Merck Sharp & Dohme LLC 3 $63.14
Phathom Pharmaceuticals, INC. 2 $41.93
Gilead Sciences, INC. 2 $34.90
Intercept Pharmaceuticals, INC. 1 $23.11
Ipsen Biopharmaceuticals, INC 1 $20.00
Celltrion USA INC. 1 $19.56

By nature of payment

Food and Beverage
$784
Education
$60

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
734
Patients
249
Total drug cost
$77,666
Drug Type Claims Patients Total cost
Omeprazole Generic 228 86 $5,361
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 117 116 $1,856
Pantoprazole Sodium Generic 111 34 $1,658
Amlodipine Besylate Generic 37 0 $198
Eliquis (Apixaban) Brand 27 0 $7,719
Famotidine Generic 26 13 $729
Memantine Hcl Generic 26 0 $1,129
Ursodiol Generic 26 0 $9,077
Fenofibrate Generic 23 0 $557
Linzess (Linaclotide) Brand 22 0 $23,281

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Tran's medical specialty?
Dr. Timothy Tran practices Gastroenterology Physician in Torrance, CA.
Where does Dr. Timothy Tran practice?
Dr. Timothy Tran practices at 23451 Madison St Ste 290, Torrance, CA 905054737. Office phone: 3103751246.
What is Dr. Timothy Tran's NPI?
Dr. Timothy Tran's National Provider Identifier (NPI) is 1316164171, issued by NPPES.
Does Dr. Timothy Tran accept Medicare assignment?
Yes. Dr. Timothy Tran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Tran commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.