Dr. Thanh Nguyen, MD
- Medicare services, 2024
- 16
- Medicare patients, 2024
- 29
- Part D claims, 2024
- 18
- Hospital affiliations
- 1
- Industry payments
- $820
- Practice address
- 27017 Tourney Rd, Valencia, CA 91355
- Practice phone
- Call (800) 421-7110
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics Nichols Inst Valencia
Valencia, California
Find Dr. Nguyen's professional email, personal email and mobile number
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Dr. Thanh Nguyen is an internist in Valencia, California
Dr. Nguyen practices at Quest Diagnostics Nichols Inst Valencia in Valencia, California.
Dr. Nguyen's NPI, 1588285852, was assigned on April 28, 2020. Dr. Nguyen graduated from Temple University School of Medicine in 2020. Dr. Nguyen holds Pennsylvania license MD482028.
- NPI
- 1588285852NPI Registry (opens in a new tab)
- NPI enumeration date
- April 28, 2020
- NPI status
- Active
- Practice phone
- (800) 421-7110
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Thanh Nguyen practices at Quest Diagnostics Nichols Inst Valencia in Valencia, California
Dr. Nguyen's primary practice is Quest Diagnostics Nichols Inst Valencia, at 27017 Tourney Rd, Valencia, CA 91355 in Los Angeles County. The practice phone is (800) 421-7110.
- Quest Diagnostics Nichols Inst Valencia27017 Tourney Rd, Valencia, CA 91355 · Los Angeles CountyPhone(800) 421-7110
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thanh Nguyen is affiliated with 2 sites of care and 1 medical group
Dr. Nguyen's primary practice is Quest Diagnostics Nichols Inst Valencia in Valencia, California. Dr. Nguyen is also affiliated with St. Mary Medical Center. The medical group on file is Trinity Health Mid-Atlantic 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. Thanh Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics Nichols Inst Valencia | 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. Thanh 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 licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
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. Thanh Nguyen billed Medicare for 16 services in 2024
CMS data shows 16 Medicare services from Dr. Nguyen across 1 procedure code in 2024, for 29 Medicare patients. Medicare paid $950 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nguyen compared with the California median for internists, 2024
- Dr. Nguyen
- California median
- Medicare services
- 16vs 36196% below
- Medicare patients
- 29vs 15181% 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.
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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. Thanh Nguyen treated 29 Medicare patients in 2024, average age 78
CMS counts 29 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 11 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 3.10, 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 25% women.
Dr. Nguyen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nguyen's Medicare patients by sex, 2024
- Women1759%
- Men1241%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease72%
- Ischemic heart disease69%
- Heart failure66%
- Anxiety62%
- Mood disorders59%
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
- Women25%
- Men73%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thanh Nguyen wrote 18 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 18 Medicare Part D claims. 94% of them were for generic drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic17 claims94%
- Brand-name and other1 claims6%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Thanh Nguyen received $820 in industry payments from 2024 to 2025
CMS Open Payments shows 29 general payments to Dr. Nguyen from 11 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 82% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $198.
General payments to Dr. Nguyen by program year, 2024 to 2025
General payments to Dr. Nguyen by kind, 2024 to 2025
- Food and beverage$67582%
- Education$14518%
Companies that paid Dr. Nguyen the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thanh Nguyen graduated from Temple University School of Medicine
Dr. Nguyen graduated from Temple University School of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thanh 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 | 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 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 (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 |
| 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. Thanh 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. Thanh Nguyen's NPI number?
Dr. Thanh Nguyen's NPI number is 1588285852. It was assigned on April 28, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Thanh Nguyen?
Dr. Thanh Nguyen is an internist in Valencia, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Thanh Nguyen practice?
Dr. Nguyen practices at 27017 Tourney Rd, Valencia, CA 91355. Dr. Nguyen's primary practice is Quest Diagnostics Nichols Inst Valencia in Valencia, California.
What is Dr. Thanh Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (800) 421-7110.
What is Dr. Thanh Nguyen's medical license number?
Dr. Nguyen holds Pennsylvania license MD482028.
Which hospitals is Dr. Thanh Nguyen affiliated with?
Dr. Nguyen is affiliated with St. Mary Medical Center.
What medical group is Dr. Thanh Nguyen part of?
Dr. Nguyen is linked to Trinity Health Mid-Atlantic Medical Group.
Does Dr. Thanh Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 16 services in 2024.
How many Medicare patients does Dr. Thanh Nguyen see?
CMS counts 29 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 78.
What services does Dr. Thanh Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were hospital inpatient care (99232).
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Where did Dr. Thanh Nguyen go to medical school?
Dr. Nguyen graduated from Temple University School of Medicine in 2020.
Has Dr. Thanh Nguyen received payments from drug or device companies?
CMS Open Payments shows $820 in general payments to Dr. Nguyen from 11 companies from 2024 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Dr. Thanh Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2020, 6 years ago.
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