Dr. Hung Huu Nguyen, MD
- Medicare services, 2024
- 5,847
- Medicare patients, 2024
- 382
- Part D claims, 2024
- 17,712
- Industry payments
- $15,723
- Affiliated sites
- 1
- Practice address
- 10362 Bolsa Avenue, Westminster, CA 92683
- Practice phone
- Call (714) 775-5690
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bolsa Outpatient Surgery Center
Surgery Center - Medicare-Certified · Westminster, 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. Hung Huu Nguyen is an internist in Westminster, California
Dr. Nguyen practices at Bolsa Outpatient Surgery Center in Westminster, California.
Dr. Nguyen's NPI, 1619921095, was assigned on May 20, 2006. Dr. Nguyen holds California license A34250.
- NPI
- 1619921095NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244206514
- NPI enumeration date
- May 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 775-5690
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hung Huu Nguyen practices at Bolsa Outpatient Surgery Center in Westminster, California
Dr. Nguyen's primary practice is Bolsa Outpatient Surgery Center, at 10362 Bolsa Avenue, Westminster, CA 92683. The practice phone is (714) 775-5690.
- Bolsa Outpatient Surgery Center10362 Bolsa Avenue, Westminster, CA 92683Phone(714) 775-5690
Source: Dmand AI Affiliation Data
Dr. Hung Huu Nguyen is affiliated with 1 site of care and 1 medical group
Dr. Nguyen's primary practice is Bolsa Outpatient Surgery Center in Westminster, California. The medical group on file is Bolsa Medical Group. Dr. Nguyen's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hung Huu 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 |
|---|---|
| Bolsa Outpatient Surgery Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hung Huu 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 California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
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. Hung Huu Nguyen billed Medicare for 5,847 services in 2024
CMS data shows 5,847 Medicare services from Dr. Nguyen across 30 procedure codes in 2024, for 382 Medicare patients. Medicare paid $318,701 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: 4,1902024: 4,1172%
- Imaging
- 2023: 6202024: 621No change
- Other services
- 2023: 3342024: 61684%
- Tests and treatments
- 2023: 5262024: 33536%
- Drugs given in the office
- 2023: 352024: 70100%
- Surgery
- 2023: 962024: 6235%
- Lab and pathology
- 2023: 02024: 26
Dr. Nguyen compared with the California median for internists, 2024
- Dr. Nguyen
- California median
- Medicare services
- 5,847vs 36116.2 times
- Medicare patients
- 382vs 1512.5 times
- Part D claims
- 17,056vs 42140.5 times
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. Hung Huu Nguyen treated 382 Medicare patients in 2024, average age 79
CMS counts 382 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. 84% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 69, with 46% 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
- Women21456%
- Men16844%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes55%
- Arthritis46%
- Osteoporosis42%
- Chronic kidney disease36%
- COPD20%
- Ischemic heart disease20%
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
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hung Huu Nguyen wrote 17,712 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 17,712 Medicare Part D claims for 830 patients. 77% of them were for generic drugs. CMS names the drug for 17,056 of them, across 149 drugs with 11 or more claims each, at $3,359,723 in total drug cost. In 2023, CMS named 16,650 claims across 146 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic13,623 claims77%
- Brand-name3,738 claims21%
- Other351 claims2%
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
- Opioids0%30 of 17,712 claims
- Antibiotics2%298 of 17,712 claims
- Antipsychotics, patients 65 and over0%33 of 17,712 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: 16,6502024: 17,0562%
Drugs named by CMS: 149 in 2024, 146 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. Hung Huu 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. Hung Huu Nguyen received $15,723 in industry payments from 2016 to 2025
CMS Open Payments shows 522 general payments to Dr. Nguyen from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. AstraZeneca Pharmaceuticals LP paid the most, $6,257.
General payments to Dr. Nguyen by program year, 2016 to 2025
General payments to Dr. Nguyen by kind, 2016 to 2025
- Food and beverage$15,35598%
- Education$2191%
- Speaker and faculty fees$1251%
- Gifts$180%
- Travel and lodging$60%
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
Sources for Dr. Hung Huu 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Hung Huu 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. Hung Huu Nguyen's NPI number?
Dr. Hung Huu Nguyen's NPI number is 1619921095. It was assigned on May 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Hung Huu Nguyen?
Dr. Hung Huu Nguyen is an internist in Westminster, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Hung Huu Nguyen practice?
Dr. Nguyen practices at 10362 Bolsa Avenue, Westminster, CA 92683. Dr. Nguyen's primary practice is Bolsa Outpatient Surgery Center in Westminster, California.
What is Dr. Hung Huu Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (714) 775-5690.
What is Dr. Hung Huu Nguyen's medical license number?
Dr. Nguyen holds California license A34250.
What medical group is Dr. Hung Huu Nguyen part of?
Dr. Nguyen is linked to Bolsa Medical Group.
Does Dr. Hung Huu Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 5,847 services in 2024, and Dr. Nguyen accepts Medicare assignment.
How many Medicare patients does Dr. Hung Huu Nguyen see?
CMS counts 382 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 79.
What services does Dr. Hung Huu Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were care management and other visits (99490), office visit, established patient (99213) and medicare service (G0008).
What drugs does Dr. Hung Huu Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Metformin HCl, Atorvastatin Calcium and Losartan Potassium.
Has Dr. Hung Huu Nguyen received payments from drug or device companies?
CMS Open Payments shows $15,723 in general payments to Dr. Nguyen from 36 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Hung Huu Nguyen been practicing?
Dr. Nguyen graduated from medical school in 1972, 54 years ago.
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