Dr. Hien T. Truong, MD
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 949
- Hospital affiliations
- 1
- Industry payments
- $2,057
- Medical group
- 1
- Practice address
- 43112 15th W St, Lancaster, CA 93534
- Practice phone
- Call (661) 726-2279
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Lancaster, California
Find Dr. Truong's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Hien T. Truong is an infectious disease specialist in Lancaster, California
Dr. Truong practices at Southern California Permanente Medical Group in Lancaster, California.
Dr. Truong's NPI, 1942369574, was assigned on December 8, 2006. Dr. Truong graduated from Lewis Katz School of Medicine in 1992. Dr. Truong holds California license G77808.
- NPI
- 1942369574NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315965308
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (661) 726-2279
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hien T. Truong practices at Southern California Permanente Medical Group in Lancaster, California
Dr. Truong's primary practice is Southern California Permanente Medical Group, at 43112 15th W St, Lancaster, CA 93534 in Los Angeles County. The practice phone is (661) 726-2279.
- Southern California Permanente Medical Group43112 15th W St, Lancaster, CA 93534 · Los Angeles CountyPhone(661) 726-2279
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Hien T. Truong is affiliated with 2 sites of care and 1 medical group
Dr. Truong's primary practice is Southern California Permanente Medical Group in Lancaster, California. Dr. Truong is also affiliated with Panorama City Medical Center. The medical group on file is Southern California Permanente Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hien T. Truong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Truong practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hien T. Truong is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Truong's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Truong is board certified in infectious disease by the American Board of Internal Medicine. Dr. Truong is licensed in California.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
Clinical focus
Dmand AI lists acute skin infection among the conditions Dr. Truong treats.
Infectious disease specialists near Dr. Truong
Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Hien T. Truong treated 11 Medicare patients in 2024, average age 61
CMS counts 11 Medicare patients who saw Dr. Truong in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Truong's median patient age at 40, with 69% women.
Dr. Truong's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Truong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hien T. Truong wrote 949 Medicare Part D claims in 2024
In 2024, Dr. Truong wrote 949 Medicare Part D claims for 325 patients. 81% of them were for generic drugs. CMS names the drug for 656 of them, across 21 drugs with 11 or more claims each, at $737,741 in total drug cost. In 2023, CMS named 505 claims across 19 drugs.
Dr. Truong's Part D claims by kind of drug, 2024
- Generic765 claims81%
- Brand-name184 claims19%
Dr. Truong's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Truong's Part D claims, 2024
- Antibiotics38%356 of 949 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5052024: 65630%
Drugs named by CMS: 21 in 2024, 19 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Hien T. Truong offers telehealth to Medicare patients
Dr. Truong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Truong as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Hien T. Truong received $2,057 in industry payments from 2016 to 2025
CMS Open Payments shows 23 general payments to Dr. Truong from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Shionogi Inc paid the most, $546.
General payments to Dr. Truong by program year, 2016 to 2025
Companies that paid Dr. Truong the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hien T. Truong graduated from Lewis Katz School of Medicine
Dr. Truong graduated from Lewis Katz School of Medicine in 1992.
- Medical school
- Board certified in infectious disease
Source: Dmand AI Professional Profile Data
Dr. Hien T. Truong accepts plans from 2 insurance carriers
Dr. Truong is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Truong accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Hien T. Truong's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Hien T. Truong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Hien T. Truong's NPI number?
Dr. Hien T. Truong's NPI number is 1942369574. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Hien T. Truong?
Dr. Hien T. Truong is an infectious disease specialist in Lancaster, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Hien T. Truong practice?
Dr. Truong practices at 43112 15th W St, Lancaster, CA 93534. Dr. Truong's primary practice is Southern California Permanente Medical Group in Lancaster, California.
What is Dr. Hien T. Truong's office phone number?
The practice phone on file for Dr. Truong is (661) 726-2279.
What is Dr. Hien T. Truong's medical license number?
Dr. Truong holds California license G77808.
Which hospitals is Dr. Hien T. Truong affiliated with?
Dr. Truong is affiliated with Panorama City Medical Center.
What medical group is Dr. Hien T. Truong part of?
Dr. Truong is linked to Southern California Permanente Medical Group.
Does Dr. Hien T. Truong accept Medicare?
Yes. CMS lists Dr. Truong as accepting Medicare assignment.
Does Dr. Hien T. Truong offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Truong as offering telehealth services.
How many Medicare patients does Dr. Hien T. Truong see?
CMS counts 11 Medicare patients who saw Dr. Truong in 2024, with an average age of 61.
Show 6 more questionsShow fewer questions
Is Dr. Hien T. Truong board certified?
Yes. Dr. Truong is board certified in infectious disease by the American Board of Internal Medicine.
Where did Dr. Hien T. Truong go to medical school?
Dr. Truong graduated from Lewis Katz School of Medicine in 1992.
What drugs does Dr. Hien T. Truong prescribe most?
In 2024 Medicare Part D data, Dr. Truong's most prescribed drugs by claims were Doxycycline Monohydrate, Fluconazole and Amoxicillin-Clavulanate Potass.
Has Dr. Hien T. Truong received payments from drug or device companies?
CMS Open Payments shows $2,057 in general payments to Dr. Truong from 7 companies from 2016 to 2025. The largest total came from Shionogi Inc.
How long has Dr. Hien T. Truong been practicing?
Dr. Truong graduated from medical school in 1992, 34 years ago.
What insurance does Dr. Hien T. Truong accept?
Dr. Truong is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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