Khoa Anh Nguyen, MD
Family Medicine Physician · Fontana, CA
Khoa Anh Nguyen, MD is a family medicine physician with a practice address in Fontana, California, and NPI 1225590078, issued on Apr 2, 2019. Check the license (California A176821, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Khoa Anh Nguyen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A176821 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17234 Valley Blvd, Fontana, CA 92335
- Phone
- (833) 574-2273
- Enumerated
- Apr 2, 2019
- Record last updated
- Jun 27, 2022
- Medicare enrollment
- Enrolled (PECOS I20220906002217); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 17234 Valley Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alexander Bressler, DOFamily Medicine Physician1073991709
Verify Khoa Anh Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A176821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average family medicine physician in 2024
5,083 Medicare Part D claims for 1,513 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 96 claims were for opioids.
Most prescribed
- Atorvastatin Calcium449 claims
- Amlodipine Besylate261 claims
- Losartan Potassium222 claims
- Metformin Hcl204 claims
- Lisinopril187 claims
- Levothyroxine Sodium176 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupOntario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Khoa Anh Nguyen among 17,133 family medicine physician records in California
Khoa Anh Nguyen, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2019 · median 2005 among the 10,652 with a school on file
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
198 family medicine physician records list a practice address in Fontana
They are 198 of the 3,012 NPPES records with a practice address in Fontana, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Fontana → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Frances Burke, MDFontana, CA 923351972674901
- Nathan Carlson, M.D.Fontana, CA 923351144212929
- Christine Carlson, MDFontana, CA 923351386612299
- Thawat Eosakul, M.D.Fontana, CA 923351811904519
- Diane Hom, MDFontana, CA 923351821169707
- Anissa Lacount, MDFontana, CA 923351609854397
- Rubin Lin, D.O.Fontana, CA 923351679678916
- Lannie Moy, PA-CFontana, CA 923351922037738
Common questions
What is Khoa Anh Nguyen, MD's NPI number?
Khoa Anh Nguyen, MD's National Provider Identifier (NPI) is 1225590078, issued on Apr 2, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Khoa Anh Nguyen, MD located?
The NPPES record lists a practice address at 17234 Valley Blvd, Fontana, CA, 92335. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.
How can I verify Khoa Anh Nguyen, MD's license?
NPPES lists California license number A176821, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Khoa Anh Nguyen, MD prescribe under Medicare Part D?
In 2024, Khoa Anh Nguyen, MD had 5,083 Medicare Part D claims for 1,513 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.