Dr. Khoa V. Nguyen, MD
- Medicare services, 2023
- 14
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 7,976
- Hospital affiliations
- 1
- Industry payments
- $149
- Practice address
- 710 Lawrence Expy, Santa Clara, CA 95051
- Practice phone
- Call (408) 851-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Santa Clara, 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. Khoa V. Nguyen is an internist in Santa Clara, California
Dr. Nguyen practices at Permanente Medical Group Inc in Santa Clara, California.
Dr. Nguyen's NPI, 1235203555, was assigned on November 20, 2006. Dr. Nguyen graduated from Lewis Katz School of Medicine in 1999. Dr. Nguyen holds California license A73945.
- NPI
- 1235203555NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012197221
- NPI enumeration date
- November 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (408) 851-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Khoa V. Nguyen practices at Permanente Medical Group Inc in Santa Clara, California
Dr. Nguyen's primary practice is Permanente Medical Group Inc, at 710 Lawrence Expy, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 851-1000.
- Permanente Medical Group Inc710 Lawrence Expy, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 851-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Khoa V. Nguyen is affiliated with 4 sites of care and 1 medical group
Dr. Nguyen's primary practice is Permanente Medical Group Inc in Santa Clara, California. Dr. Nguyen is also affiliated with San Jose Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Nguyen to 1 more group practice or clinic and 1 hospice, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Khoa V. Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Khoa V. 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. Dr. Nguyen is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists asthma, chronic obstructive pulmonary disease (COPD) and upper respiratory infection (URI) 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. Khoa V. Nguyen billed Medicare for 14 services in 2023
CMS data shows 14 Medicare services from Dr. Nguyen across 1 procedure code in 2023, all of them office visits, for 14 Medicare patients. Medicare paid $138 for them. Every service was in an office.
Dr. Nguyen compared with the California median for internists, 2023
- Dr. Nguyen
- California median
- Medicare services
- 14vs 36196% below
- Medicare patients
- 14vs 15191% below
- Part D claims
- 7,310vs 42117.4 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Nguyen's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Nguyen?
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. Khoa V. Nguyen treated 14 Medicare patients in 2024, average age 64
CMS counts 14 Medicare patients who saw Dr. Nguyen in 2024. Their average risk score is 0.76, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 60, with 44% 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 60
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Khoa V. Nguyen wrote 7,976 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 7,976 Medicare Part D claims for 886 patients. 90% of them were for generic drugs. CMS names the drug for 7,310 of them, across 108 drugs with 11 or more claims each, at $294,186 in total drug cost. In 2023, CMS named 6,972 claims across 104 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic7,195 claims90%
- Brand-name705 claims9%
- Other76 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
- Opioids1%87 of 7,976 claims
- Antibiotics4%349 of 7,976 claims
- Antipsychotics, patients 65 and over0%11 of 7,976 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: 6,9722024: 7,3105%
Drugs named by CMS: 108 in 2024, 104 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. Khoa V. Nguyen offers telehealth to Medicare patients
Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nguyen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Khoa V. Nguyen received $149 in industry payments from 2022 to 2025
CMS Open Payments shows 2 general payments to Dr. Nguyen from 2 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Heron Therapeutics, Inc. paid the most, $125.
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. Khoa V. Nguyen graduated from Lewis Katz School of Medicine
Dr. Nguyen graduated from Lewis Katz School of Medicine in 1999.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Khoa V. Nguyen accepts plans from 2 insurance carriers
Dr. Nguyen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Nguyen accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Khoa V. 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 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) |
| 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. Khoa V. 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. Khoa V. Nguyen's NPI number?
Dr. Khoa V. Nguyen's NPI number is 1235203555. It was assigned on November 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Khoa V. Nguyen?
Dr. Khoa V. Nguyen is an internist in Santa Clara, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Khoa V. Nguyen practice?
Dr. Nguyen practices at 710 Lawrence Expy, Santa Clara, CA 95051. Dr. Nguyen's primary practice is Permanente Medical Group Inc in Santa Clara, California. Dmand AI also links Dr. Nguyen to 1 group practice or clinic and 1 hospice.
What is Dr. Khoa V. Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (408) 851-1000.
What is Dr. Khoa V. Nguyen's medical license number?
Dr. Nguyen holds California license A73945.
Which hospitals is Dr. Khoa V. Nguyen affiliated with?
Dr. Nguyen is affiliated with San Jose Medical Center.
What medical group is Dr. Khoa V. Nguyen part of?
Dr. Nguyen is linked to The Permanente Medical Group, Inc.
Does Dr. Khoa V. Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 14 services in 2023, and Dr. Nguyen accepts Medicare assignment.
Does Dr. Khoa V. Nguyen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nguyen as offering telehealth services.
How many Medicare patients does Dr. Khoa V. Nguyen see?
CMS counts 14 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 64.
Show 7 more questionsShow fewer questions
Is Dr. Khoa V. Nguyen board certified?
Yes. Dr. Nguyen is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Khoa V. Nguyen bill to Medicare?
In 2023, Dr. Nguyen's most billed Medicare services were office visit, established patient (99212).
Where did Dr. Khoa V. Nguyen go to medical school?
Dr. Nguyen graduated from Lewis Katz School of Medicine in 1999.
What drugs does Dr. Khoa V. Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Tamsulosin HCl.
Has Dr. Khoa V. Nguyen received payments from drug or device companies?
CMS Open Payments shows $149 in general payments to Dr. Nguyen from 2 companies from 2022 to 2025. The largest total came from Heron Therapeutics, Inc.
How long has Dr. Khoa V. Nguyen been practicing?
Dr. Nguyen graduated from medical school in 1999, 27 years ago.
What insurance does Dr. Khoa V. Nguyen accept?
Dr. Nguyen is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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