Ann N Y Acad Sci
Dr. Trang T. Nguyen, DO
- Medicare services, 2024
- 769
- Medicare patients, 2024
- 242
- Part D claims, 2024
- 110
- Publications
- 17
- Hospital affiliations
- 1
- Practice address
- 25500 Medical Center Drive, Murrieta, CA 92562
- Practice phone
- Call (951) 696-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Nguyen'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. Trang T. Nguyen is an internist in Murrieta, California
Dr. Nguyen practices at Southwest Healthcare Rancho Springs Hospital in Murrieta, California, part of Universal Health Services.
Dr. Nguyen's NPI, 1861836207, was assigned on April 27, 2013. Dr. Nguyen graduated from Arizona School of Dentistry and Oral Health - Mesa in 2012. Dr. Nguyen holds California license 20A15645.
- NPI
- 1861836207NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062630239
- NPI enumeration date
- April 27, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 696-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Trang T. Nguyen practices at Southwest Healthcare Rancho Springs Hospital in Murrieta, California
Dr. Nguyen's primary practice is Southwest Healthcare Rancho Springs Hospital, at 25500 Medical Center Drive, Murrieta, CA 92562 in Riverside County. The practice phone is (951) 696-6000.
- Southwest Healthcare Rancho Springs Hospital25500 Medical Center Drive, Murrieta, CA 92562 · Riverside CountyPhone(951) 696-6000
Source: Dmand AI Affiliation Data
Dr. Trang T. Nguyen is affiliated with 2 sites of care and 1 medical group
Dr. Nguyen's primary practice is Southwest Healthcare Rancho Springs Hospital in Murrieta, California, part of Universal Health Services. The medical group on file is Acute Care Associates. Dmand AI also links Dr. Nguyen to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Trang T. Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southwest Healthcare Rancho Springs Hospital | 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. Trang T. Nguyen is one of 16,751 internists in California
Internal medicine is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nguyen is board certified in internal medicine by the AOA Board of Internal Medicine. Dr. Nguyen is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists congestive heart failure, electrolyte disorders, gastrointestinal inflammation, heart attack, kidney failure, loss of balance, lung disease: COPD, asthma or bronchitis and mini-stroke (TIA) among the conditions Dr. Nguyen treats.
Internists near Dr. Nguyen
Counts of internists 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. Trang T. Nguyen billed Medicare for 769 services in 2024
CMS data shows 769 Medicare services from Dr. Nguyen across 6 procedure codes in 2024, for 242 Medicare patients. Medicare paid $52,091 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4872024: 76958%
Dr. Nguyen compared with the California median for internists, 2024
- Dr. Nguyen
- California median
- Medicare services
- 769vs 3612.1 times
- Medicare patients
- 242vs 15160% above
- Part D claims
- 13vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Nguyen'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.
Need commercial claims for Dr. Nguyen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nguyen and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Trang T. Nguyen treated 242 Medicare patients in 2024, average age 76
CMS counts 242 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 47% are also on Medicaid. Their average risk score is 2.74, 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. Nguyen's median patient age at 64, with 54% women.
Dr. Nguyen's Medicare patients by age, 2024
Dr. Nguyen's Medicare patients by sex, 2024
- Women15464%
- Men8836%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Chronic kidney disease51%
- Diabetes51%
- Ischemic heart disease50%
- Atrial fibrillation44%
- Mood disorders44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nguyen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Trang T. Nguyen wrote 110 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 110 Medicare Part D claims for 57 patients. 90% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $83 in total drug cost. In 2019, CMS named 31 claims across 2 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic99 claims90%
- Brand-name and other11 claims10%
Dr. Nguyen's most prescribed drugs by claims, 2020
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. Nguyen's Part D claims, 2024
- Antibiotics27%30 of 110 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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 312020: 1358%
Drugs named by CMS: 1 in 2020, 2 in 2019.
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. Trang T. Nguyen takes part in Medicare
Dr. Nguyen 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. Trang T. Nguyen has 17 publications on record
Dmand AI links 17 papers to Dr. Nguyen, published from 2011 to 2015. 2011 was the busiest year, with 3. The most frequent topics are Bacteriocins, B-Lymphocytes and Lipid Bilayers. Dr. Nguyen has published most often in Anal Chem.
Topics Dr. Nguyen writes about most
- Bacteriocins
- B-Lymphocytes
- Lipid Bilayers
- Mice, Inbred C57BL
- Streptococcus mutans
- Autoimmune Diseases
- Bacterial Proteins
- B-Lymphocyte Subsets
Recent publications by Dr. Nguyen
See who Dr. Nguyen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nguyen works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Trang T. Nguyen received $593 in industry payments from 2017 to 2023
CMS Open Payments shows 17 general payments to Dr. Nguyen from 5 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $429.
General payments to Dr. Nguyen by program year, 2017 to 2023
Companies that paid Dr. Nguyen the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Trang T. Nguyen graduated from Arizona School of Dentistry and Oral Health - Mesa
Dr. Nguyen graduated from Arizona School of Dentistry and Oral Health - Mesa in 2012.
- Medical school
- Board certified in internal medicine
- Board certified in 2017 - 2025
- Board certified in 2016 - 2018
Source: Dmand AI Professional Profile Data
Dr. Trang T. Nguyen accepts plans from 3 insurance carriers
Dr. Nguyen is in network with 3 carriers, including Excellus BlueCross BlueShield, Elevance and CMS Medicare. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- Elevance
- CMS Medicare
Plan types Dr. Nguyen accepts, by number of carriers
- EPO2
- Medicare2
- POS2
- PPO2
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Trang T. Nguyen'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Trang T. Nguyen
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. Trang T. Nguyen's NPI number?
Dr. Trang T. Nguyen's NPI number is 1861836207. It was assigned on April 27, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Trang T. Nguyen?
Dr. Trang T. Nguyen is an internist in Murrieta, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Trang T. Nguyen practice?
Dr. Nguyen practices at 25500 Medical Center Drive, Murrieta, CA 92562. Dr. Nguyen's primary practice is Southwest Healthcare Rancho Springs Hospital in Murrieta, California, part of Universal Health Services. Dmand AI also links Dr. Nguyen to 1 group practice or clinic.
What is Dr. Trang T. Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (951) 696-6000.
What is Dr. Trang T. Nguyen's medical license number?
Dr. Nguyen holds California license 20A15645.
Which hospitals is Dr. Trang T. Nguyen affiliated with?
Dr. Nguyen practices at Southwest Healthcare Rancho Springs Hospital in Murrieta, California.
What medical group is Dr. Trang T. Nguyen part of?
Dr. Nguyen is linked to Acute Care Associates.
Does Dr. Trang T. Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 769 services in 2024, and Dr. Nguyen accepts Medicare assignment.
How many Medicare patients does Dr. Trang T. Nguyen see?
CMS counts 242 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 76.
Is Dr. Trang T. Nguyen board certified?
Yes. Dr. Nguyen is board certified in internal medicine by the AOA Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Trang T. Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99231) and hospital inpatient care (99233).
Where did Dr. Trang T. Nguyen go to medical school?
Dr. Nguyen graduated from Arizona School of Dentistry and Oral Health - Mesa in 2012.
What drugs does Dr. Trang T. Nguyen prescribe most?
In 2020 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass.
Has Dr. Trang T. Nguyen received payments from drug or device companies?
CMS Open Payments shows $593 in general payments to Dr. Nguyen from 5 companies from 2017 to 2023. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Dr. Trang T. Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2012, 14 years ago.
Does Dr. Trang T. Nguyen do research?
Dmand AI links 17 publications to Dr. Nguyen, published from 2011 to 2015.
What insurance does Dr. Trang T. Nguyen accept?
Dr. Nguyen is in network with 3 carriers, including Excellus BlueCross BlueShield, Elevance and CMS Medicare. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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