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Dr. Thai Quoc Nguyen, MD
NPI1740808815PAC ID0749603413
- Medicare services, 2024
- 1,227
- Medicare patients, 2024
- 440
- Part D claims, 2024
- 301
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 2175 Rosaline Ave, Clairmont Hgts, Redding, CA 96001
- Practice phone
- Call (530) 225-6102
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Thai Quoc Nguyen is an internist in Redding, California
Dr. Nguyen practices at Mercy Medical Center Redding in Redding, California, part of CommonSpirit Health.
Dr. Nguyen's NPI, 1740808815, was assigned on July 6, 2020. Dr. Nguyen graduated from University of Wisconsin-Madison in 2020. Dr. Nguyen holds California license A186384.
NPI and contact details
- NPI
- 1740808815NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749603413
- NPI enumeration date
- July 6, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 225-6102
- 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; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thai Quoc Nguyen practices at Mercy Medical Center Redding in Redding, California
Dr. Nguyen's primary practice is Mercy Medical Center Redding, at 2175 Rosaline Ave, Clairmont Hgts, Redding, CA 96001 in Shasta County. The practice phone is (530) 225-6102.
- Mercy Medical Center Redding2175 Rosaline Ave, Clairmont Hgts, Redding, CA 96001 · Shasta CountyPhone(530) 225-6102
Source: Dmand AI Affiliation Data
Dr. Thai Quoc Nguyen is affiliated with 2 sites of care and 1 medical group
Dr. Nguyen's primary practice is Mercy Medical Center Redding in Redding, California, part of CommonSpirit Health. Dr. Nguyen is also affiliated with Dignity Health - St. Elizabeth Community Hospital. The medical group on file is Vituity.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thai Quoc 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 |
|---|---|
| Mercy Medical Center Redding | 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. Thai Quoc 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 American Board of Internal Medicine. Dmand AI has Dr. Nguyen's licenses on file in 2 states: California and Missouri.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Missouri license
Clinical focus
Dmand AI lists anemia, congestive heart failure, heart attack, pneumonia and respiratory infection, sepsis and traumatic coma 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. Thai Quoc Nguyen billed Medicare for 1,227 services in 2024
CMS data shows 1,227 Medicare services from Dr. Nguyen across 6 procedure codes in 2024, for 440 Medicare patients. Medicare paid $112,040 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 20241,227
Medicare patients440
Paid by Medicare$112,040
Procedure codes6
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4382024: 1,227180%
Dr. Nguyen compared with the California median for internists, 2024
- Dr. Nguyen
- California median
- Medicare services
- 1,227vs 3613.4 times
- Medicare patients
- 440vs 1512.9 times
- Part D claims
- 121vs 42171% 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. Thai Quoc Nguyen treated 440 Medicare patients in 2024, average age 75
CMS counts 440 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 75 to 84, with 162 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 40% are also on Medicaid. Their average risk score is 2.39, 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 69, with 53% women.
Medicare patients, 2024440
Average age75
Average risk score2.39
Also on Medicaid40%
Dr. Nguyen's Medicare patients by age, 2024
Dr. Nguyen's Medicare patients by sex, 2024
- Women22952%
- Men21148%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Heart failure50%
- Ischemic heart disease45%
- Atrial fibrillation44%
- Chronic kidney disease44%
- Diabetes44%
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 69
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thai Quoc Nguyen wrote 301 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 301 Medicare Part D claims for 140 patients. 87% of them were for generic drugs. CMS names the drug for 121 of them, across 9 drugs with 11 or more claims each, at $835 in total drug cost. In 2023, CMS named 49 claims across 2 drugs.
Part D claims, 2024301
Drugs named by CMS9
Total drug cost$835
Part D patients140
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic262 claims87%
- Brand-name39 claims13%
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
- Opioids9%28 of 301 claims
- Antibiotics21%63 of 301 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: 492024: 121147%
Drugs named by CMS: 9 in 2024, 2 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
How Dr. Thai Quoc 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. Thai Quoc Nguyen has 2 publications on record
Dmand AI links 2 papers to Dr. Nguyen, published from 2019 to 2022. Dr. Nguyen's most frequent co-authors are Chirag Pankajkumar Bavishi, MD, MPH, Albert K. Chan, MD and Kalyan Raghavendra Chitturi, DO.
Papers2
Years published2019 to 2022
Dr. Nguyen's most frequent co-authors
- Chirag Pankajkumar Bavishi, MD, MPH1 shared paper
- Albert K. Chan, MD1 shared paper
- Kalyan Raghavendra Chitturi, DO1 shared paper
Recent publications by Dr. Nguyen
AllelesArthritis, RheumatoidAutoantibodies
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. Thai Quoc Nguyen received $47 in industry payments from 2022 to 2025
CMS Open Payments shows 3 general payments to Dr. Nguyen from 3 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $16.
General payments to Dr. Nguyen by program year, 2022 to 2025
Companies that paid Dr. Nguyen the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thai Quoc Nguyen graduated from University of Wisconsin-Madison
Dr. Nguyen graduated from University of Wisconsin-Madison in 2020.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Thai Quoc Nguyen accepts plans from 6 insurance carriers
Dr. Nguyen is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. Nguyen accepts, by number of carriers
- PPO3
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Thai Quoc 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. Thai Quoc 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. Thai Quoc Nguyen's NPI number?
Dr. Thai Quoc Nguyen's NPI number is 1740808815. It was assigned on July 6, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Thai Quoc Nguyen?
Dr. Thai Quoc Nguyen is an internist in Redding, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Thai Quoc Nguyen practice?
Dr. Nguyen practices at 2175 Rosaline Ave, Clairmont Hgts, Redding, CA 96001. Dr. Nguyen's primary practice is Mercy Medical Center Redding in Redding, California, part of CommonSpirit Health.
What is Dr. Thai Quoc Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (530) 225-6102.
What is Dr. Thai Quoc Nguyen's medical license number?
Dr. Nguyen holds California license A186384, one of the licenses on file in 2 states.
Which states has Dr. Thai Quoc Nguyen been licensed in?
Dmand AI has state licenses on file for Dr. Nguyen in California (2023 to 2027) and Missouri (2020 to 2026).
Which hospitals is Dr. Thai Quoc Nguyen affiliated with?
Dr. Nguyen practices at Mercy Medical Center Redding in Redding, California. Dr. Nguyen is also affiliated with Dignity Health - St. Elizabeth Community Hospital.
What medical group is Dr. Thai Quoc Nguyen part of?
Dr. Nguyen is linked to Vituity.
Does Dr. Thai Quoc Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 1,227 services in 2024, and Dr. Nguyen accepts Medicare assignment.
How many Medicare patients does Dr. Thai Quoc Nguyen see?
CMS counts 440 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. Thai Quoc Nguyen board certified?
Yes. Dr. Nguyen is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Thai Quoc Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Thai Quoc Nguyen go to medical school?
Dr. Nguyen graduated from University of Wisconsin-Madison in 2020.
What drugs does Dr. Thai Quoc Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Hydrocodone-Acetaminophen and Atorvastatin Calcium.
Has Dr. Thai Quoc Nguyen received payments from drug or device companies?
CMS Open Payments shows $47 in general payments to Dr. Nguyen from 3 companies from 2022 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Thai Quoc Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2020, 6 years ago.
Does Dr. Thai Quoc Nguyen do research?
Dmand AI links 2 publications to Dr. Nguyen, published from 2019 to 2022.
Who does Dr. Thai Quoc Nguyen publish with?
Dr. Nguyen's most frequent co-authors are Chirag Pankajkumar Bavishi, MD, MPH (1 shared paper), Albert K. Chan, MD (1 shared paper) and Kalyan Raghavendra Chitturi, DO (1 shared paper).
What insurance does Dr. Thai Quoc Nguyen accept?
Dr. Nguyen is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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