Dr. Li Q. Nguyen, MD
- Medicare services, 2024
- 22,168
- Medicare patients, 2024
- 356
- Part D claims, 2024
- 1,371
- Hospital affiliations
- 1
- Industry payments
- $2,269
- 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
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. Li Q. Nguyen is a plastic and reconstructive surgery physician in Fountain Valley, California
Dr. Nguyen practices at Mile Square Surgery Center Inc in Fountain Valley, California.
Dr. Nguyen's NPI, 1902989064, was assigned on October 23, 2006. Dr. Nguyen graduated from University of California, Geffen School of Medicine in 1987. Dr. Nguyen holds California license G63837.
- NPI
- 1902989064NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628010873
- NPI enumeration date
- October 23, 2006
- 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
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Li Q. 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. Li Q. Nguyen is affiliated with 5 sites of care and 2 medical groups
Dr. Nguyen's primary practice is Mile Square Surgery Center Inc in Fountain Valley, California. Dr. Nguyen is also affiliated with UCI Health - Orange. The medical group on file is Douglas A. Tran, M.D., Inc. Dmand AI also links Dr. Nguyen to 2 more physician offices, 1 group practice or clinic and 1 medical group, each 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. Li Q. Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 4 sites in all. 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 |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Li Q. Nguyen is one of 327 plastics and reconstructive surgery physicians in California
Plastic and reconstructive surgery is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 2086S0122X. Dr. Nguyen is licensed in California.
Specialties and state licenses
- Plastic and reconstructive surgery, CaliforniaPrimary
Plastics and reconstructive surgery physicians near Dr. Nguyen
Counts of plastics and reconstructive surgery physicians 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. Li Q. Nguyen billed Medicare for 22,168 services in 2024
CMS data shows 22,168 Medicare services from Dr. Nguyen across 12 procedure codes in 2024, for 356 Medicare patients. Medicare paid $155,448 for them. Every service was in an office.
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,4592024: 20,2951291%
- Office and hospital visits
- 2023: 8422024: 9108%
- Surgery
- 2023: 1,0322024: 81121%
- Tests and treatments
- 2023: 2052024: 15226%
Dr. Nguyen compared with the California median for plastics and reconstructive surgery physicians, 2024
- Dr. Nguyen
- California median
- Medicare services
- 22,168vs 46481.9 times
- Medicare patients
- 356vs 586.1 times
- Part D claims
- 1,259vs 2452.5 times
Medians across 261 plastics and reconstructive surgery physicians 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 plastics and reconstructive surgery physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Li Q. Nguyen treated 356 Medicare patients in 2024, average age 76
CMS counts 356 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 151 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 76% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 70, with 54% women.
Dr. Nguyen's Medicare patients by age, 2024
Dr. Nguyen's Medicare patients by sex, 2024
- Women19454%
- Men16246%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Diabetes42%
- Osteoporosis35%
- Ischemic heart disease30%
- Chronic kidney disease28%
- COPD22%
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 70
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. Li Q. Nguyen wrote 1,371 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 1,371 Medicare Part D claims for 292 patients. 95% of them were for generic drugs. CMS names the drug for 1,259 of them, across 18 drugs with 11 or more claims each, at $43,207 in total drug cost. In 2023, CMS named 972 claims across 15 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic1,306 claims95%
- Brand-name65 claims5%
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
- Antibiotics10%138 of 1,371 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: 9722024: 1,25930%
Drugs named by CMS: 18 in 2024, 15 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. Li Q. Nguyen takes part in Medicare
Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Li Q. Nguyen received $2,269 in industry payments from 2018 to 2025
CMS Open Payments shows 69 general payments to Dr. Nguyen from 16 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Optinose US, Inc. paid the most, $977.
General payments to Dr. Nguyen by program year, 2018 to 2025
Companies that paid Dr. Nguyen the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Li Q. Nguyen graduated from University of California, Geffen School of Medicine
Dr. Nguyen graduated from University of California, Geffen School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Li Q. 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)Doctors and Clinicians Utilization Data (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. Li Q. 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. Li Q. Nguyen's NPI number?
Dr. Li Q. Nguyen's NPI number is 1902989064. It was assigned on October 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Li Q. Nguyen?
Dr. Li Q. Nguyen is a plastic and reconstructive surgery physician in Fountain Valley, California. The primary specialty in the NPI Registry is Plastic and Reconstructive Surgery Physician (taxonomy code 2086S0122X).
Where does Dr. Li Q. 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 2 physician offices, 1 group practice or clinic and 1 medical group.
What is Dr. Li Q. Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (714) 274-0388.
What is Dr. Li Q. Nguyen's medical license number?
Dr. Nguyen holds California license G63837.
Which hospitals is Dr. Li Q. Nguyen affiliated with?
Dr. Nguyen is affiliated with UCI Health - Orange.
What medical group is Dr. Li Q. Nguyen part of?
Dr. Nguyen is linked to Douglas A. Tran, M.D., Inc. Dmand AI links Dr. Nguyen to 1 more medical group.
Does Dr. Li Q. Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 22,168 services in 2024, and Dr. Nguyen accepts Medicare assignment.
How many Medicare patients does Dr. Li Q. Nguyen see?
CMS counts 356 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 76.
What services does Dr. Li Q. Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were injected or infused drug (J1010), injected or infused drug (J3301) and office visit, established patient (99213).
Show 4 more questionsShow fewer questions
Where did Dr. Li Q. Nguyen go to medical school?
Dr. Nguyen graduated from University of California, Geffen School of Medicine in 1987.
What drugs does Dr. Li Q. Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Fluticasone Propionate, Esomeprazole Magnesium and Ciprofloxacin-Dexamethasone.
Has Dr. Li Q. Nguyen received payments from drug or device companies?
CMS Open Payments shows $2,269 in general payments to Dr. Nguyen from 16 companies from 2018 to 2025. The largest total came from Optinose US, Inc.
How long has Dr. Li Q. Nguyen been practicing?
Dr. Nguyen graduated from medical school in 1987, 39 years ago.
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