Doctor profile · Federal record

Dr. Tu Tranvan, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Rosemead, CA

  • NPI 1376570184
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9143 Valley Blvd, 203
Rosemead, CA 917701991
(626) 285-7598
fax (626) 285-7698
Mailing address
1402 Oxford RD
San Marino, CA 911082009

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 18, 2015
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #A52994
Medicaid
CA #00A529942

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376570184. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
523
Distinct HCPCS
9
Medicare allowed
$69,674
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 223 155 $98
99203 New patient office or other outpatient visit, 30-44 minutes 110 110 $122
45380 Biopsy of large bowel using a flexible endoscope 66 66 $195
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 40 40 $134
45378 Diagnostic exam of large bowel using a flexible endoscope 21 21 $193
99214 Established patient office or other outpatient visit, 30-39 minutes 17 17 $139
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 17 17 $192
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 17 17 $192
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 12 12 $265

In context: peer comparison

Among 2 peers in this city , average services per provider: 54. This provider delivers 9.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$261
Transactions
22
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 18 $159.52
Phathom Pharmaceuticals, Inc. 4 $101.42

By nature of payment

Food and Beverage
$261

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,584
Patients
276
Total drug cost
$1,258,110
Drug Type Claims Patients Total cost
Vemlidy (Tenofovir Alafenamide) Brand 701 73 $1,046,779
Entecavir Generic 265 42 $79,170
Pantoprazole Sodium Generic 172 59 $2,286
Famotidine Generic 102 35 $1,694
Linzess (Linaclotide) Brand 99 29 $57,142
Omeprazole Generic 48 12 $647
Procto-Med Hc (Hydrocortisone) Brand 39 12 $1,010
Lansoprazole Generic 36 14 $1,263
Creon (Lipase/Protease/Amylase) Brand 26 0 $59,277
Tenofovir Disoproxil Fumarate Generic 26 0 $6,299

Frequently asked questions

Auto-generated from federal data
What is Dr. Tu Tranvan's medical specialty?
Dr. Tu Tranvan practices Gastroenterology Physician in Rosemead, CA.
Where does Dr. Tu Tranvan practice?
Dr. Tu Tranvan practices at 9143 Valley Blvd, Rosemead, CA 917701991. Office phone: 6262857598.
What is Dr. Tu Tranvan's NPI?
Dr. Tu Tranvan's National Provider Identifier (NPI) is 1376570184, issued by NPPES.
Does Dr. Tu Tranvan accept Medicare assignment?
Dr. Tu Tranvan does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Tu Tranvan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.