Shawn Nguyen, M.D.
Family Medicine Physician · Brea, CA
Shawn Nguyen, M.D. is a family medicine physician with a practice address in Brea, California, and NPI 1750724431, issued on Apr 11, 2013. Check the license (California A135459, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shawn Nguyen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A135459 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1900 E Lambert RD, Brea, CA 92821
- Phone
- (888) 988-2800
- Enumerated
- Apr 11, 2013
- Record last updated
- Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150825005799); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1900 E Lambert RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Garn Chanjamsri, PHARMDPharmacist1730628462
- Steven ChenAmbulatory Care Pharmacist1154081214
- Ellen Ji, DOFamily Medicine Physician1417418229
- Kevin Liao, D.O.Family Medicine Physician1811148620
- Sophia Lim, M.D.Student in an Organized Health Care Education/Training Program1962857532
- David Liu, M.D.Family Medicine Physician1013072149
Verify Shawn Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A135459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average family medicine physician in 2024
4,716 Medicare Part D claims for 559 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 227 claims were for opioids.
Most prescribed
- Atorvastatin Calcium369 claims
- Amlodipine Besylate243 claims
- Lisinopril180 claims
- Losartan Potassium179 claims
- Rosuvastatin Calcium179 claims
- Hydrocodone-Acetaminophen157 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 GroupBrea, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shawn Nguyen among 17,133 family medicine physician records in California
Shawn Nguyen, M.D. 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 2013, is newer than 68% of them.
- NPI issued2013 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2013 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 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).
48 family medicine physician records list a practice address in Brea
They are 48 of the 1,052 NPPES records with a practice address in Brea, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Brea → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Alexandra Duke, D.OBrea, CA 928211760479992
- Anne Ford, MDBrea, CA 928211518967140
- Mark Giglio, MDBrea, CA 928211134129182
- Royce Hutain, M.D.Brea, CA 928211104894286
- Christian Lising, M.D.Brea, CA 928211760478606
- Marlene Mires, MDBrea, CA 928211235185976
- John Mitchell, M.D.Brea, CA 928211225024912
- Andrew Morrison, MDBrea, CA 928211750382628
Common questions
What is Shawn Nguyen, M.D.'s NPI number?
Shawn Nguyen, M.D.'s National Provider Identifier (NPI) is 1750724431, issued on Apr 11, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Shawn Nguyen, M.D. located?
The NPPES record lists a practice address at 1900 E Lambert RD, Brea, CA, 92821. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Shawn Nguyen, M.D.'s license?
NPPES lists California license number A135459, 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 Shawn Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Shawn Nguyen, M.D. had 4,716 Medicare Part D claims for 559 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.