Physician Profile
Unclaimed ProfileAbout TRANVAN
No biography has been added yet. Is this you? Claim this profile to add one.
Education & Training
Areas of Expertise
Common questions
What is Dr. Tranvan's specialty?
Dr. Tranvan is a gastroenterology in Rosemead, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Tranvan?
Dr. Tranvan is listed at 9143 VALLEY BLVD 203, Rosemead, CA 91770. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Tranvan?
The number on file is (626) 285-7598. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Tranvan's NPI number?
Dr. Tranvan's National Provider Identifier is 1376570184. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Tranvan's medical education?
Dr. Tranvan attended Other, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Tranvan been practising?
Dr. Tranvan has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Tranvan known for?
According to Medicare billing data, Dr. Tranvan performs procedures including biopsy of large bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Tranvan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tranvan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (626) 285-7598
- Email not available
Practice Locations
9143 VALLEY BLVD 203
Rosemead, CA 91770
Procedures Most Often Billed to Medicare
611 services · 529 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
58 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
48 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
25 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
22 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
232 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
153 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
26 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
22 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
13 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.