Dr. Daniel Dung Truong, MD

  • Fountain Valley, CA
  • Neurologist
NPI1992720916PAC ID4082881156
Medicare services, 2024
41,417
Medicare patients, 2024
280
Part D claims, 2024
5,142
Publications
163
Clinical trials
10
Practice address
9940 Talbert Ave, Fountain Valley, CA 92708
Practice phone
Call (714) 378-5062
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Truong Neuroscience Institute Inc.

Fountain Valley, California

See all 6 affiliations

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.

View contacts for free

Dr. Daniel Dung Truong is a neurologist in Fountain Valley, California

Dr. Truong practices at Truong Neuroscience Institute Inc. in Fountain Valley, California.

Dr. Truong's NPI, 1992720916, was assigned on July 12, 2006. Dr. Truong graduated from Albert Ludwigs University Faculty of Medicine in 1974. Dr. Truong's California license number on file is A46661.

NPI and contact details
Medicare PAC ID
4082881156
NPI enumeration date
July 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(714) 378-5062
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
78
Medical school graduation
1974

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

Dr. Daniel Dung Truong practices at Truong Neuroscience Institute Inc. in Fountain Valley, California

Dr. Truong's primary practice is Truong Neuroscience Institute Inc., at 9940 Talbert Ave, Fountain Valley, CA 92708 in Orange County. The practice phone is (714) 378-5062.

  • Truong Neuroscience Institute Inc.
    9940 Talbert Ave, Fountain Valley, CA 92708 · Orange CountyPhone(714) 378-5062

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

Dr. Daniel Dung Truong is affiliated with 4 sites of care and 2 medical groups

Dr. Truong's primary practice is Truong Neuroscience Institute Inc. in Fountain Valley, California. Dr. Truong is also affiliated with Orange Coast Medical Center. The medical group on file is The Truong Neuroscience Institute. Dmand AI also links Dr. Truong to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 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. Daniel Dung 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
Truong Neuroscience Institute Inc.Available with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Truong practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Daniel Dung Truong is one of 2,207 neurologists in California

Neurology is Dr. Truong's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Truong has a license on file in California.

Specialties and state licenses

  • Neurology, CaliforniaPrimaryLicense A46661 · 1989 to 2025 · taxonomy 2084N0400X

Clinical focus

Dmand AI lists epilepsy, essential tremor, head injury, migraine and chronic headache, parkinson's disease, restless legs syndrome and thoracic spine disorders among the conditions Dr. Truong treats.

Neurologists near Dr. Truong

Counts of neurologists 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. Daniel Dung Truong billed Medicare for 41,417 services in 2024

CMS data shows 41,417 Medicare services from Dr. Truong across 14 procedure codes in 2024, for 280 Medicare patients. Medicare paid $373,420 for them. Every service was in an office.

Medicare services, 202441,417
Medicare patients280
Paid by Medicare$373,420
Procedure codes14

Dr. Truong's Medicare services by type, 2024

  1. Drugs given in the office39,960
  2. Office and hospital visits866
  3. Surgery402
  4. Tests and treatments145
  5. Imaging44

Dr. Truong compared with the California median for neurologists, 2024

  • Dr. Truong
  • California median
Medicare services
41,417vs 404102.5 times
Medicare patients
280vs 19047% above
Part D claims
4,945vs 32415.3 times

Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.

Dr. Truong's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Truong

Need commercial claims for Dr. Truong?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Truong and other neurologists in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Daniel Dung Truong treated 280 Medicare patients in 2024, average age 74

CMS counts 280 Medicare patients who saw Dr. Truong in 2024. The largest group is 65 to 74, with 121 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 63% are also on Medicaid. Their average risk score is 1.58, 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 68, with 58% women.

Medicare patients, 2024280
Average age74
Average risk score1.58
Also on Medicaid63%

Dr. Truong's Medicare patients by age, 2024

Dr. Truong's Medicare patients by sex, 2024

  • Women17261%
  • Men10839%

Chronic conditions among Dr. Truong's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Parkinson's disease57%
  4. Arthritis45%
  5. Diabetes40%
  6. Chronic kidney disease29%
  7. Mood disorders26%
  8. Osteoporosis26%

Share of Medicare patients with each condition. A patient can have several.

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 68

Patient panel by sex, all payers

  • Women58%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Daniel Dung Truong wrote 5,142 Medicare Part D claims in 2024

In 2024, Dr. Truong wrote 5,142 Medicare Part D claims for 320 patients. 52% of them were for generic drugs. CMS names the drug for 4,945 of them, across 45 drugs with 11 or more claims each, at $4,249,113 in total drug cost.

Part D claims, 20245,142
Drugs named by CMS45
Total drug cost$4.2M
Part D patients320

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

  • Generic2,681 claims52%
  • Brand-name2,461 claims48%

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

  • Antipsychotics, patients 65 and over4%212 of 5,142 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

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

Dr. Daniel Dung Truong scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Truong for performance year 2024, reported as part of a group. Dr. Truong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Truong as offering telehealth. CMS counts 24 procedures of skin biopsy by Dr. Truong, more than 64% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Truong's MIPS scores, performance year 2024

  • 97of 100Final score
  • 80.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Truong ranks in Medicare procedure volume

Skin biopsy
64th percentile24 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find neurologists like Dr. Truong by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Daniel Dung Truong has 163 publications on record

Dmand AI links 163 papers to Dr. Truong, published from 2005 to 2025. 2018 was the busiest year, with 9. The most frequent topics are Parkinson Disease, Myoclonus and Rats, Sprague-Dawley. Dr. Truong has published most often in J Neurol Sci. Dr. Truong's most frequent co-authors are Karen Phyllis Frei, MD, Robert A. Hauser, MD and Joseph Jankovic, MD.

Papers163
Years published2005 to 2025

Dr. Truong's papers by year, 2016 to 2025

Topics Dr. Truong writes about most

  • Parkinson Disease
  • Myoclonus
  • Rats, Sprague-Dawley
  • Botulinum Toxins
  • Disease Models, Animal
  • Heart Arrest
  • Dystonia
  • Dystonic Disorders

Dr. Truong's most frequent co-authors

Recent publications by Dr. Truong

See all 163 publications and co-authors

See who Dr. Truong researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Truong works with, so you can find a warm path to the right neurologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Daniel Dung Truong has worked on 10 clinical trials

Dmand AI links Dr. Truong to 10 clinical trials, 5 of them phase 2 studies. Conditions studied include Parkinson Disease, Parkinsonian Disorders and Constipation. Enterin Inc. sponsors the most, 3.

Clinical trials with Dr. Truong by phase

  1. 1Phase 1: 1 trial
  2. 5Phase 2: 5 trials
  3. 2Phase 3: 2 trials
  4. NonePhase 4: no trials

Conditions in Dr. Truong's trials

  • Parkinson Disease
  • Parkinsonian Disorders
  • Constipation
  • Dystonia
  • Lewy Body Disease

Investigators on the most trials with Dr. Truong

Recent clinical trials with Dr. Truong

See all 10 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Daniel Dung Truong received $14,123 in industry payments from 2024 to 2025

CMS Open Payments shows 490 general payments to Dr. Truong from 40 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 81% of the total. Abbvie Inc. paid the most, $2,095.

General payments to Dr. Truong by program year, 2024 to 2025

General payments to Dr. Truong by kind, 2024 to 2025

$14.1Kin total
  • Food and beverage$11,46681%
  • Travel and lodging$1,49911%
  • Honoraria$1,1588%

Companies that paid Dr. Truong the most, 2024 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. Daniel Dung Truong has 7 awards and honors on record

Dmand AI lists 7 awards for Dr. Truong, most recently Honorary Professor in 2019.

Awards and honors for Dr. Truong

  1. 2019
    • Honorary Professor
  2. 2013
    • CMS Stage 1 EHR
    • Honorary member
    • Top Doctors:LA Area
    • Top Doctors:San Diego Area
  3. 2012
    • Top Doctors:Southern California
See all 7 awards

Dr. Truong's committees and leadership roles

Publication Committee World Federation of NeurologyMember
2005 to 2012

Source: Dmand AI Professional Profile Data

Dr. Daniel Dung Truong graduated from Albert Ludwigs University Faculty of Medicine

Dr. Truong graduated from Albert Ludwigs University Faculty of Medicine in 1974. Dr. Truong is a member of MDS.

  1. Medical schoolAlbert Ludwigs University Faculty of Medicine

Source: Dmand AI Professional Profile Data

Dr. Daniel Dung Truong accepts plans from 12 insurance carriers

Dr. Truong is in network with 12 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Truong accepts, by number of carriers

  1. Medicare10
  2. PPO8
  3. HMO6
  4. POS4
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Daniel Dung 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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Daniel Dung 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. Daniel Dung Truong's NPI number?

Dr. Daniel Dung Truong's NPI number is 1992720916. It was assigned on July 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Daniel Dung Truong?

Dr. Daniel Dung Truong is a neurologist in Fountain Valley, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Daniel Dung Truong practice?

Dr. Truong practices at 9940 Talbert Ave, Fountain Valley, CA 92708. Dr. Truong's primary practice is Truong Neuroscience Institute Inc. in Fountain Valley, California. Dmand AI also links Dr. Truong to 2 group practices and clinics and 1 medical group.

What is Dr. Daniel Dung Truong's office phone number?

The practice phone on file for Dr. Truong is (714) 378-5062.

What is Dr. Daniel Dung Truong's medical license number?

Dr. Truong's California license number on file is A46661.

Which hospitals is Dr. Daniel Dung Truong affiliated with?

Dr. Truong is affiliated with Orange Coast Medical Center.

What medical group is Dr. Daniel Dung Truong part of?

Dr. Truong is linked to The Truong Neuroscience Institute. Dmand AI links Dr. Truong to 1 more medical group.

Does Dr. Daniel Dung Truong accept Medicare?

Yes. CMS data shows Dr. Truong billed Medicare for 41,417 services in 2024, and Dr. Truong accepts Medicare assignment.

Does Dr. Daniel Dung Truong offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Truong as offering telehealth services.

What is Dr. Daniel Dung Truong's MIPS score?

Dr. Truong's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Daniel Dung Truong see?

CMS counts 280 Medicare patients who saw Dr. Truong in 2024, with an average age of 74.

What services does Dr. Daniel Dung Truong bill to Medicare?

In 2024, Dr. Truong's most billed Medicare services were injected or infused drug (J0585), injected or infused drug (J0588) and injected or infused drug (J0586).

Where did Dr. Daniel Dung Truong go to medical school?

Dr. Truong graduated from Albert Ludwigs University Faculty of Medicine in 1974.

What drugs does Dr. Daniel Dung Truong prescribe most?

In 2024 Medicare Part D data, Dr. Truong's most prescribed drugs by claims were Rytary, Carbidopa-Levodopa and Clonazepam.

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

CMS Open Payments shows $14,123 in general payments to Dr. Truong from 40 companies from 2024 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Daniel Dung Truong been practicing?

Dr. Truong graduated from medical school in 1974, 52 years ago.

Does Dr. Daniel Dung Truong do research?

Dmand AI links 163 publications to Dr. Truong, published from 2005 to 2025. Dr. Truong has worked on 10 clinical trials.

Who does Dr. Daniel Dung Truong publish with?

Dr. Truong's most frequent co-authors are Karen Phyllis Frei, MD (16 shared papers), Robert A. Hauser, MD (16 shared papers) and Joseph Jankovic, MD (11 shared papers).

What insurance does Dr. Daniel Dung Truong accept?

Dr. Truong is in network with 12 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

Selling to neurology practices?

See neurologists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)