Dr. Khanh Van Nguyen, MD
- Medicare services, 2019
- 61
- Part D claims, 2024
- 117
- Hospital affiliations
- 2
- Industry payments
- $817
- Medical groups
- 5
- Practice address
- 101 City Drive South, Orange, CA 92868
- Practice phone
- Call (714) 456-7890
- 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. Khanh Van Nguyen is a hospitalist in Orange, California
Dr. Nguyen practices at UCI Health - Orange in Orange, California, part of UC Irvine.
Dr. Nguyen's NPI, 1295710325, was assigned on December 13, 2005. Dr. Nguyen graduated from Uniformed Services UHS Fe Hebert School of Med in 2001. Dr. Nguyen holds California license A81065.
- NPI
- 1295710325NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577619915
- NPI enumeration date
- December 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 456-7890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Khanh Van Nguyen practices at UCI Health - Orange in Orange, California
Dr. Nguyen's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.
- UCI Health - Orange101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890
Source: Dmand AI Affiliation Data
Dr. Khanh Van Nguyen is affiliated with 7 sites of care and 5 medical groups
Dr. Nguyen's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dr. Nguyen is also affiliated with Orange Coast Medical Center. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Nguyen to 5 more group practices and clinics and 4 medical groups, 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. Khanh Van 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 |
|---|---|
| UCI Health - Orange | Available with a free account |
| +6 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Khanh Van Nguyen is one of 3,186 hospitalists in California
Hospitalist is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dmand AI has Dr. Nguyen's licenses on file in 2 states: California and Connecticut.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
- Internal medicine, Connecticut
Hospitalists near Dr. Nguyen
Counts of hospitalists 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. Khanh Van Nguyen billed Medicare for 61 services in 2019
CMS data shows 61 Medicare services from Dr. Nguyen across 3 procedure codes in 2019. Medicare paid $6,611 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nguyen's Medicare services by type, 2016 to 2019
- 2016
- 2019
- Office and hospital visits
- 2016: 112019: 61455%
Dr. Nguyen compared with the California median for hospitalists, 2019
- Dr. Nguyen
- California median
- Medicare services
- 61vs 43086% below
- Part D claims
- 11vs 6984% below
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Nguyen's most billed Medicare procedure codes, 2019
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 hospitalists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Khanh Van Nguyen's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 72, with 52% women.
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
- Women52%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Khanh Van Nguyen wrote 117 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 117 Medicare Part D claims for 71 patients. 82% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $82 in total drug cost. In 2020, CMS named 24 claims across 2 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic96 claims82%
- Brand-name and other21 claims18%
Dr. Nguyen's most prescribed drugs by claims, 2023
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
- Antibiotics19%22 of 117 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, 2020 to 2023
- 2020
- 2023
- Claims for drugs CMS names
- 2020: 242023: 1154%
Drugs named by CMS: 1 in 2023, 2 in 2020.
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. Khanh Van 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. Khanh Van Nguyen received $817 in industry payments from 2016 to 2023
CMS Open Payments shows 15 general payments to Dr. Nguyen from 9 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $219.
General payments to Dr. Nguyen by program year, 2016 to 2023
Companies that paid Dr. Nguyen the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Khanh Van Nguyen graduated from Uniformed Services UHS Fe Hebert School of Med
Dr. Nguyen graduated from Uniformed Services UHS Fe Hebert School of Med in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Khanh 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 | 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 Data |
| 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) |
| 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. Khanh 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. Khanh Van Nguyen's NPI number?
Dr. Khanh Van Nguyen's NPI number is 1295710325. It was assigned on December 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Khanh Van Nguyen?
Dr. Khanh Van Nguyen is a hospitalist in Orange, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Khanh Van Nguyen practice?
Dr. Nguyen practices at 101 City Drive South, Orange, CA 92868. Dr. Nguyen's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dmand AI also links Dr. Nguyen to 5 group practices and clinics and 4 medical groups.
What is Dr. Khanh Van Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (714) 456-7890.
What is Dr. Khanh Van Nguyen's medical license number?
Dr. Nguyen holds California license A81065, one of the licenses on file in 2 states.
Which states has Dr. Khanh Van Nguyen been licensed in?
Dmand AI has state licenses on file for Dr. Nguyen in California and Connecticut.
Which hospitals is Dr. Khanh Van Nguyen affiliated with?
Dr. Nguyen practices at UCI Health - Orange in Orange, California. Dr. Nguyen is also affiliated with Orange Coast Medical Center.
What medical group is Dr. Khanh Van Nguyen part of?
Dr. Nguyen is linked to Optum - Downtown Los Angeles. Dmand AI links Dr. Nguyen to 4 more medical groups.
Does Dr. Khanh Van Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 61 services in 2019, and Dr. Nguyen accepts Medicare assignment.
What services does Dr. Khanh Van Nguyen bill to Medicare?
In 2019, Dr. Nguyen's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99239).
Show 4 more questionsShow fewer questions
Where did Dr. Khanh Van Nguyen go to medical school?
Dr. Nguyen graduated from Uniformed Services UHS Fe Hebert School of Med in 2001.
What drugs does Dr. Khanh Van Nguyen prescribe most?
In 2023 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass.
Has Dr. Khanh Van Nguyen received payments from drug or device companies?
CMS Open Payments shows $817 in general payments to Dr. Nguyen from 9 companies from 2016 to 2023. The largest total came from Pfizer Inc.
How long has Dr. Khanh Van Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2001, 25 years ago.
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