Dr. Dennis Truong, MD

  • Rockville, MD
  • Emergency medicine physician
NPI1548478100PAC ID3274727672
Part D claims, 2024
264
Industry payments
$25
Affiliated sites
3
Medical groups
3
State license
1
Practice address
6111 Executive Blvd, Rockville, MD 20852
Practice phone
Call (301) 816-2424
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Caton Hill Medical Center

Rockville, Maryland

See all 7 affiliations

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Dr. Dennis Truong is an emergency medicine physician in Rockville, Maryland

Dr. Truong practices at Caton Hill Medical Center in Rockville, Maryland.

Dr. Truong's NPI, 1548478100, was assigned on May 18, 2007. Dr. Truong graduated from Michigan State University College of Human Medicine in 2004. Dr. Truong holds Michigan license 4301083606.

NPI and contact details
Medicare PAC ID
3274727672
NPI enumeration date
May 18, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(301) 816-2424
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
48
Medical school graduation
2004

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Dennis Truong practices at Caton Hill Medical Center in Rockville, Maryland

Dr. Truong's primary practice is Caton Hill Medical Center, at 6111 Executive Blvd, Rockville, MD 20852 in Montgomery County. The practice phone is (301) 816-2424.

  • Caton Hill Medical Center
    6111 Executive Blvd, Rockville, MD 20852 · Montgomery CountyPhone(301) 816-2424

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Dennis Truong is affiliated with 4 sites of care and 3 medical groups

Dr. Truong's primary practice is Caton Hill Medical Center in Rockville, Maryland. The medical group on file is Mid-Atlantic Permanente Medical Group. Dmand AI also links Dr. Truong to 2 more group practices and clinics, 2 medical groups and 1 dialysis center, each named with a free account.

See all 7 affiliations for Dr. Truong

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Dennis Truong's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Truong practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Caton Hill Medical CenterAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Dennis Truong is one of 1,057 emergency medicine physicians in Maryland

Emergency medicine is Dr. Truong's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Truong is licensed in Michigan.

Specialties and state licenses

  • Emergency medicine, MichiganPrimaryLicense 4301083606 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Truong

Counts of emergency medicine physicians 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. Dennis Truong's patients have a median age of 34

Across all payers, Dmand AI patient panel data puts Dr. Truong's median patient age at 34, with 67% women.

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 34

Patient panel by sex, all payers

  • Women67%
  • Men33%

Source: Dmand AI Patient Panel Data

Dr. Dennis Truong wrote 264 Medicare Part D claims in 2024

In 2024, Dr. Truong wrote 264 Medicare Part D claims for 205 patients. 68% of them were for generic drugs. CMS names the drug for 122 of them, across 6 drugs with 11 or more claims each, at $1,128 in total drug cost. In 2023, CMS named 80 claims across 3 drugs.

Part D claims, 2024264
Drugs named by CMS6
Total drug cost$1,128
Part D patients205

Dr. Truong's Part D claims by kind of drug, 2024

  • Generic180 claims68%
  • Brand-name65 claims25%
  • Other19 claims7%

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

  • Opioids8%21 of 264 claims
  • Antibiotics25%65 of 264 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: 802024: 12253%

Drugs named by CMS: 6 in 2024, 3 in 2023.

See all prescribing by Dr. Truong

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

How Dr. Dennis Truong takes part in Medicare

Dr. Truong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Dennis Truong received $25 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dr. Truong from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Motiva USA, LLC paid the most, $25.

Companies that paid Dr. Truong the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Truong

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Dennis Truong graduated from Michigan State University College of Human Medicine

Dr. Truong graduated from Michigan State University College of Human Medicine in 2004.

  1. Medical schoolMichigan State University College of Human Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Dennis Truong's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Dennis 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. Dennis Truong's NPI number?

Dr. Dennis Truong's NPI number is 1548478100. It was assigned on May 18, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Dennis Truong?

Dr. Dennis Truong is an emergency medicine physician in Rockville, Maryland. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Dennis Truong practice?

Dr. Truong practices at 6111 Executive Blvd, Rockville, MD 20852. Dr. Truong's primary practice is Caton Hill Medical Center in Rockville, Maryland. Dmand AI also links Dr. Truong to 2 group practices and clinics, 2 medical groups and 1 dialysis center.

What is Dr. Dennis Truong's office phone number?

The practice phone on file for Dr. Truong is (301) 816-2424.

What is Dr. Dennis Truong's medical license number?

Dr. Truong holds Michigan license 4301083606.

What medical group is Dr. Dennis Truong part of?

Dr. Truong is linked to Mid-Atlantic Permanente Medical Group. Dmand AI links Dr. Truong to 2 more medical groups.

Does Dr. Dennis Truong accept Medicare?

Yes. CMS lists Dr. Truong as accepting Medicare assignment.

Where did Dr. Dennis Truong go to medical school?

Dr. Truong graduated from Michigan State University College of Human Medicine in 2004.

What drugs does Dr. Dennis Truong prescribe most?

In 2024 Medicare Part D data, Dr. Truong's most prescribed drugs by claims were Paxlovid, Albuterol Sulfate Hfa and Azithromycin.

Has Dr. Dennis Truong received payments from drug or device companies?

CMS Open Payments shows $25 in general payments to Dr. Truong from 1 company from 2025 to 2025. The largest total came from Motiva USA, LLC.

How long has Dr. Dennis Truong been practicing?

Dr. Truong graduated from medical school in 2004, 22 years ago.

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