Dr. Thanh Van Nguyen, MD
- Medicare services, 2024
- 835
- Medicare patients, 2024
- 315
- Part D claims, 2024
- 959
- Industry payments
- $9,812
- Affiliated sites
- 1
- Practice address
- 10760 Warner Ave, Fountain Valley, CA 92708
- Practice phone
- Call (714) 274-0388
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mile Square Surgery Center Inc
Fountain Valley, California
Find Dr. Nguyen's professional email, personal email and mobile number
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Dr. Thanh Van Nguyen is an otolaryngologist in Fountain Valley, California
Dr. Nguyen practices at Mile Square Surgery Center Inc in Fountain Valley, California.
Dr. Nguyen's NPI, 1508862061, was assigned on June 21, 2005. Dr. Nguyen graduated from UCSF School of Medicine in 1993. Dr. Nguyen holds California license G85166.
- NPI
- 1508862061NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022054964
- NPI enumeration date
- June 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 274-0388
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thanh Van Nguyen practices at Mile Square Surgery Center Inc in Fountain Valley, California
Dr. Nguyen's primary practice is Mile Square Surgery Center Inc, at 10760 Warner Ave, Fountain Valley, CA 92708 in Orange County. The practice phone is (714) 274-0388.
- Mile Square Surgery Center Inc10760 Warner Ave, Fountain Valley, CA 92708 · Orange CountyPhone(714) 274-0388
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thanh Van Nguyen is affiliated with 2 sites of care and 1 medical group
Dr. Nguyen's primary practice is Mile Square Surgery Center Inc in Fountain Valley, California. The medical group on file is MemorialCare Medical Group. Dmand AI also links Dr. Nguyen to 1 more physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thanh Van 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 |
|---|---|
| Mile Square Surgery Center Inc | 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 Van Nguyen is one of 1,107 otolaryngologists in California
Otolaryngology is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Nguyen is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery. Dmand AI has Dr. Nguyen's licenses on file in 2 states: California and Georgia.
Specialties and state licenses
- Otolaryngology, CaliforniaPrimary
- Georgia license
Clinical focus
Dmand AI lists acute sinusitis, chronic nasal allergies, chronic sinusitis, ear eustachian tube disorders, ear infection, endoscopic sinus surgery, hearing loss and impairment and larynx and vocal cord disease among the conditions Dr. Nguyen treats.
Otolaryngologists near Dr. Nguyen
Counts of otolaryngologists 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 Van Nguyen billed Medicare for 835 services in 2024
CMS data shows 835 Medicare services from Dr. Nguyen across 8 procedure codes in 2024, for 315 Medicare patients. Medicare paid $71,538 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: 4962024: 5419%
- Surgery
- 2023: 2622024: 2505%
- Tests and treatments
- 2023: 182024: 44144%
Dr. Nguyen compared with the California median for otolaryngologists, 2024
- Dr. Nguyen
- California median
- Medicare services
- 835vs 66625% above
- Medicare patients
- 315vs 2966% above
- Part D claims
- 856vs 1187.3 times
Medians across 1,045 otolaryngologists 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 otolaryngologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thanh Van Nguyen treated 315 Medicare patients in 2024, average age 78
CMS counts 315 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 75 to 84, with 133 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 67, with 55% 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
- Women16653%
- Men14947%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes35%
- Chronic kidney disease25%
- Ischemic heart disease25%
- Osteoporosis25%
- Anxiety19%
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 67
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thanh Van Nguyen wrote 959 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 959 Medicare Part D claims for 261 patients. 99% of them were for generic drugs. CMS names the drug for 856 of them, across 10 drugs with 11 or more claims each, at $19,912 in total drug cost. In 2023, CMS named 816 claims across 9 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic949 claims99%
- Brand-name and other10 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
- Antibiotics7%63 of 959 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: 8162024: 8565%
Drugs named by CMS: 10 in 2024, 9 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. Thanh Van Nguyen scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Nguyen for performance year 2024, reported individually. 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
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 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. Thanh Van Nguyen received $9,812 in industry payments from 2016 to 2025
CMS Open Payments shows 121 general payments to Dr. Nguyen from 26 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 55% of the total. Intersect ENT, Inc. paid the most, $4,350.
General payments to Dr. Nguyen by program year, 2016 to 2025
General payments to Dr. Nguyen by kind, 2016 to 2025
- Travel and lodging$5,38755%
- Food and beverage$4,42545%
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. Thanh Van Nguyen graduated from UCSF School of Medicine
Dr. Nguyen graduated from UCSF School of Medicine in 1993.
- Medical school
- Board certified in otolaryngology
Source: Dmand AI Professional Profile Data
Dr. Thanh Van Nguyen accepts plans from 9 insurance carriers
Dr. Nguyen is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- CMS Medicare
- +1 more carriersWith a free account
Plan types Dr. Nguyen accepts, by number of carriers
- Medicare8
- PPO7
- POS3
- EPO2
- HMO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Thanh Van 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 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) |
| 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. Thanh Van 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 Van Nguyen's NPI number?
Dr. Thanh Van Nguyen's NPI number is 1508862061. It was assigned on June 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Thanh Van Nguyen?
Dr. Thanh Van Nguyen is an otolaryngologist in Fountain Valley, California. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Thanh Van Nguyen practice?
Dr. Nguyen practices at 10760 Warner Ave, Fountain Valley, CA 92708. Dr. Nguyen's primary practice is Mile Square Surgery Center Inc in Fountain Valley, California. Dmand AI also links Dr. Nguyen to 1 physician office.
What is Dr. Thanh Van Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (714) 274-0388.
What is Dr. Thanh Van Nguyen's medical license number?
Dr. Nguyen holds California license G85166, one of the licenses on file in 2 states.
Which states has Dr. Thanh Van Nguyen been licensed in?
Dmand AI has state licenses on file for Dr. Nguyen in California (1999 to 2027) and Georgia (2007 to 2018).
What medical group is Dr. Thanh Van Nguyen part of?
Dr. Nguyen is linked to MemorialCare Medical Group.
Does Dr. Thanh Van Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 835 services in 2024, and Dr. Nguyen accepts Medicare assignment.
What is Dr. Thanh Van Nguyen's MIPS score?
Dr. Nguyen's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. Thanh Van Nguyen see?
CMS counts 315 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 78.
Show 7 more questionsShow fewer questions
Is Dr. Thanh Van Nguyen board certified?
Yes. Dr. Nguyen is board certified in otolaryngology by the American Board of Otolaryngology - Head and Neck Surgery.
What services does Dr. Thanh Van Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were office visit, established patient (99214), surgery: ear (69210) and office visit, new patient (99204).
Where did Dr. Thanh Van Nguyen go to medical school?
Dr. Nguyen graduated from UCSF School of Medicine in 1993.
What drugs does Dr. Thanh Van Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Azelastine HCl, Fluticasone Propionate and Ipratropium Bromide.
Has Dr. Thanh Van Nguyen received payments from drug or device companies?
CMS Open Payments shows $9,812 in general payments to Dr. Nguyen from 26 companies from 2016 to 2025. The largest total came from Intersect ENT, Inc.
How long has Dr. Thanh Van Nguyen been practicing?
Dr. Nguyen graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Thanh Van Nguyen accept?
Dr. Nguyen is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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