Dr. Tim T. Nguyen, MD
- Medicare services, 2024
- 1,327
- Medicare patients, 2024
- 471
- Part D claims, 2024
- 8,305
- Publications
- 1
- MIPS score, 2024
- 86
- Practice address
- 1155 Mill Street, Reno, NV 89502
- Practice phone
- Call (775) 982-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nguyen's professional email, personal email and mobile number
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Dr. Tim T. Nguyen is an internist in Reno, Nevada
Dr. Nguyen practices at Renown Regional Medical Center in Reno, Nevada, part of Renown Health.
Dr. Nguyen's NPI, 1164493607, was assigned on February 1, 2006. Dr. Nguyen graduated from University of Utah School of Medicine in 1991. Dr. Nguyen holds Nevada license 11338.
- NPI
- 1164493607NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092789370
- NPI enumeration date
- February 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (775) 982-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tim T. Nguyen practices at Renown Regional Medical Center in Reno, Nevada
Dr. Nguyen's primary practice is Renown Regional Medical Center, at 1155 Mill Street, Reno, NV 89502 in Washoe County. The practice phone is (775) 982-4100.
- Renown Regional Medical Center1155 Mill Street, Reno, NV 89502 · Washoe CountyPhone(775) 982-4100
Source: Dmand AI Affiliation Data
Dr. Tim T. Nguyen is affiliated with 7 sites of care and 1 medical group
Dr. Nguyen's primary practice is Renown Regional Medical Center in Reno, Nevada, part of Renown Health. Dr. Nguyen is also affiliated with Renown South Meadows Medical Center. The medical group on file is Renown Medical Group. Dmand AI also links Dr. Nguyen to 1 more hospital, 3 home health agencies and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tim T. Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Renown Regional Medical Center | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tim T. Nguyen is one of 1,019 internists in Nevada
Internal medicine is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nguyen is licensed in Nevada.
Specialties and state licenses
- Internal medicine, NevadaPrimary
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. Tim T. Nguyen billed Medicare for 1,327 services in 2024
CMS data shows 1,327 Medicare services from Dr. Nguyen across 17 procedure codes in 2024, for 471 Medicare patients. Medicare paid $92,616 for them. Every service was in an office.
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9222024: 8468%
- Lab and pathology
- 2023: 1942024: 17311%
- Tests and treatments
- 2023: 2232024: 16227%
- Other services
- 2023: 2252024: 14635%
Dr. Nguyen compared with the Nevada median for internists, 2024
- Dr. Nguyen
- Nevada median
- Medicare services
- 1,327vs 5202.6 times
- Medicare patients
- 471vs 1912.5 times
- Part D claims
- 7,631vs 36421.0 times
Medians across 935 internists in Nevada 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 Nevada.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tim T. Nguyen treated 471 Medicare patients in 2024, average age 74
CMS counts 471 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 229 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 72, with 46% women.
Dr. Nguyen's Medicare patients by age, 2024
Dr. Nguyen's Medicare patients by sex, 2024
- Women22648%
- Men24552%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis35%
- Diabetes30%
- Chronic kidney disease27%
- Ischemic heart disease21%
- Atrial fibrillation19%
- Anxiety17%
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 72
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tim T. Nguyen wrote 8,305 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 8,305 Medicare Part D claims for 920 patients. 89% of them were for generic drugs. CMS names the drug for 7,631 of them, across 113 drugs with 11 or more claims each, at $619,365 in total drug cost. In 2023, CMS named 6,407 claims across 102 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic7,395 claims89%
- Brand-name855 claims10%
- Other55 claims1%
Dr. Nguyen'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. Nguyen's Part D claims, 2024
- Opioids1%79 of 8,305 claims
- Antibiotics2%133 of 8,305 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: 6,4072024: 7,63119%
Drugs named by CMS: 113 in 2024, 102 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. Tim T. Nguyen scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Nguyen for performance year 2024, reported as part of a group. Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nguyen's MIPS scores, performance year 2024
- 86of 100Final score
- 78.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Tim T. Nguyen has 1 publication on record
Dmand AI links 1 paper to Dr. Nguyen in 2021. Dr. Nguyen's most frequent co-authors are Xinyu Chen, MD and Vamsi K. Kota, MD.
Dr. Nguyen's most frequent co-authors
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. Tim T. Nguyen received $4,740 in industry payments from 2016 to 2025
CMS Open Payments shows 17 general payments to Dr. Nguyen from 6 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 65% of the total. Allergan Inc. paid the most, $4,507.
General payments to Dr. Nguyen by program year, 2016 to 2025
General payments to Dr. Nguyen by kind, 2016 to 2025
- Speaker and faculty fees$3,10065%
- Travel and lodging$90919%
- Food and beverage$73115%
Companies that paid Dr. Nguyen 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. Tim T. Nguyen graduated from University of Utah School of Medicine
Dr. Nguyen graduated from University of Utah School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tim 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Tim 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. Tim T. Nguyen's NPI number?
Dr. Tim T. Nguyen's NPI number is 1164493607. It was assigned on February 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Tim T. Nguyen?
Dr. Tim T. Nguyen is an internist in Reno, Nevada. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tim T. Nguyen practice?
Dr. Nguyen practices at 1155 Mill Street, Reno, NV 89502. Dr. Nguyen's primary practice is Renown Regional Medical Center in Reno, Nevada, part of Renown Health. Dmand AI also links Dr. Nguyen to 1 hospital, 3 home health agencies and 1 group practice or clinic.
What is Dr. Tim T. Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (775) 982-4100.
What is Dr. Tim T. Nguyen's medical license number?
Dr. Nguyen holds Nevada license 11338.
Which hospitals is Dr. Tim T. Nguyen affiliated with?
Dr. Nguyen practices at Renown Regional Medical Center in Reno, Nevada. Dr. Nguyen is also affiliated with Renown South Meadows Medical Center. Dmand AI links Dr. Nguyen to 1 more hospital.
What medical group is Dr. Tim T. Nguyen part of?
Dr. Nguyen is linked to Renown Medical Group.
Does Dr. Tim T. Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 1,327 services in 2024, and Dr. Nguyen accepts Medicare assignment.
What is Dr. Tim T. Nguyen's MIPS score?
Dr. Nguyen's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Tim T. Nguyen see?
CMS counts 471 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does Dr. Tim T. Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99211).
Where did Dr. Tim T. Nguyen go to medical school?
Dr. Nguyen graduated from University of Utah School of Medicine in 1991.
What drugs does Dr. Tim T. Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.
Has Dr. Tim T. Nguyen received payments from drug or device companies?
CMS Open Payments shows $4,740 in general payments to Dr. Nguyen from 6 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Tim T. Nguyen been practicing?
Dr. Nguyen graduated from medical school in 1991, 35 years ago.
Does Dr. Tim T. Nguyen do research?
Dmand AI links 1 publication to Dr. Nguyen.
Who does Dr. Tim T. Nguyen publish with?
Dr. Nguyen's most frequent co-authors are Xinyu Chen, MD (1 shared paper) and Vamsi K. Kota, MD (1 shared paper).
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