Patrick Truong, M.D.
NPI 1326237819 · Gastroenterology Physician · West Covina, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Truong, M.D. is a Gastroenterology Physician provider in West Covina, CA (NPI 1326237819).
Provider details
- NPI number
- 1326237819
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A89158 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,244 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,003 | $81 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 233 | $179 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 217 | $38 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 205 | $129 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 138 | $6 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 382 | 207 |
| Omeprazole | 54 | 35 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 50 | 49 |
| Linaclotidebrand: Linzess | 38 | 17 |
| Colestipol Hcl | 31 | — |
| Mesalamine | 31 | — |
| Sulfasalazine | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,929 across 85 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-10-19
- Last updated
- 2014-03-12
Frequently asked questions
- What is Patrick Truong's NPI number?
- Patrick Truong's National Provider Identifier (NPI) is 1326237819, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Truong's specialty?
- Patrick Truong is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Truong located?
- Patrick Truong's practice location on file with NPPES is 1135 S Sunset Ave, West Covina, CA 91790-3937.
- What is Patrick Truong's phone number?
- The practice phone number listed in the NPPES registry for Patrick Truong is (626) 960-2326.
- Does Patrick Truong accept Medicare?
- Patrick Truong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Truong's NPI active?
- Yes — Patrick Truong's NPI (1326237819) is active in the NPPES registry as of the last update on 2014-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.