Patrick B. Truong, M.D.
Gastroenterology Physician · West Covina, CA
Patrick B. Truong, M.D. is a gastroenterology physician with a practice address in West Covina, California, and NPI 1326237819, issued on Oct 19, 2007. Check the license (California A89158, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Patrick B. Truong
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A89158 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1135 S Sunset Ave, West Covina, CA 91790
- Phone
- (626) 960-2326
- Enumerated
- Oct 19, 2007
- Record last updated
- Mar 12, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (626) 960-9796
- Medicare enrollment
- Enrolled (PECOS I20091216000319); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1135 S Sunset Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsay Arellano, PA-CMedical Physician Assistant1659623379
- Sartaj Arora, MDGastroenterology Physician1841258340
- Gabriel Bailey, DOStudent in an Organized Health Care Education/Training Program1003660788
- David Bode, M.D.Body Imaging Physician1306895990
- Amitabh Chauhan, M.D.Internal Medicine Physician1619925948
- Mark Curran, M.D.Maternal & Fetal Medicine Physician1306935689
Verify Patrick B. Truong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average gastroenterology physician in 2024
904 Medicare Part D claims for 368 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Pantoprazole Sodium382 claims
- Omeprazole54 claims
- Gavilyte-G50 claims
- Linzess38 claims
- Colestipol Hcl31 claims
- Mesalamine31 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 95.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,929.24
85 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Citrus Valley Gastroenterology A Medical CorporationCovina, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick B. Truong among 2,140 gastroenterology physician records in California
Patrick B. Truong, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 37% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2003 · median 2002 among the 1,538 with a school on file
- Record last updated2014 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in West Covina → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Mumtaz Akram, M.D.West Covina, CA 917901144325242
- Sartaj Arora, MDWest Covina, CA 917901841258340
- Osama Sidhom, MDWest Corina, CA 917901649238148
- Basim Abdelkarim, MDUpland, CA 917861932217544
- Chuang Hung, M.D.Upland, CA 917861619049749
- Kevin Jenkins, DOUpland, CA 917861730276163
- Camron Kiafar, D.O.Upland, CA 917861831299254
- John Kim, M.D.Upland, CA 917861548218274
Common questions
What is Patrick B. Truong, M.D.'s NPI number?
Patrick B. Truong, M.D.'s National Provider Identifier (NPI) is 1326237819, issued on Oct 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Patrick B. Truong, M.D. located?
The NPPES record lists a practice address at 1135 S Sunset Ave, West Covina, CA, 91790. Phone: (626) 960-2326. Providers update this record themselves, so call before visiting.
How can I verify Patrick B. Truong, M.D.'s license?
NPPES lists California license number A89158, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Patrick B. Truong, M.D. prescribe under Medicare Part D?
In 2024, Patrick B. Truong, M.D. had 904 Medicare Part D claims for 368 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Patrick B. Truong, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.