Huy T. Nguyen, MD
Cardiovascular Disease Physician · Mission Viejo, CA
Huy T. Nguyen, MD is a cardiovascular disease physician with a practice address in Mission Viejo, California, and NPI 1851514640, issued on Apr 10, 2007. Check the license (California A89993, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Huy T. Nguyen
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A89993 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27800 Medical Center RD, Mission Viejo, CA 92691
- Phone
- (949) 276-2446
- Enumerated
- Apr 10, 2007
- Record last updated
- Jul 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (949) 276-2449
- Medicare enrollment
- Enrolled (PECOS I20110228000911); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 27800 Medical Center RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Berger, M.D.Allergy Physician1538260583
- Lisa Bretches, N.P.Pediatric Nurse Practitioner1477890242
- Andrew ChangPediatric Dentistry1083992994
- Sabrina Cooley, MDFamily Medicine Physician1629272588
- Atria DehmoobadClinical Social Worker1922966340
- Kimberly Douglas, MDPediatrics Physician1619017670
Verify Huy T. Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89993Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average cardiovascular disease physician in 2024
3,445 Medicare Part D claims for 499 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Metoprolol Succinate291 claims
- Rosuvastatin Calcium269 claims
- Eliquis256 claims
- Losartan Potassium230 claims
- Carvedilol197 claims
- Atorvastatin Calcium179 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.
The MIPS final score for 2023 (Medicare payment program): 95.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,277.33
60 payments; by number, the most common kind was food and beverage; the largest payer was Biotronik Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ccoc, Inc.Ladera Ranch, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
Other cardiovascular disease physician records in California
- Abdul Abbasi, MDLong Beach, CA1710071717
- Siddique Abbasi, MDThousand Oaks, CA1528076718
- Lillian Abdelmalek, MDSacramento, CA1881343796
- Robin Abdelmalik, M.D. FACCTemecula, CA1275656662
- Roberto Abdelnur, MDEl Centro, CA1982648606
- Sohail Abdi-Moradi, M.D.Moorpark, CA1376862938
- Nadia Abelhad, M.D.Chula Vista, CA1619400801
- Georges Abou Rjaili, MDRiverside, CA1073896544
- Jamil Aboulhosn, MDLos Angeles, CA1356382717
- Maria Abraham, M.D.San Francisco, CA1669436960
Common questions
What is Huy T. Nguyen, MD's NPI number?
Huy T. Nguyen, MD's National Provider Identifier (NPI) is 1851514640, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Huy T. Nguyen, MD located?
The NPPES record lists a practice address at 27800 Medical Center RD, Mission Viejo, CA, 92691. Phone: (949) 276-2446. Providers update this record themselves, so call before visiting.
How can I verify Huy T. Nguyen, MD's license?
NPPES lists California license number A89993, 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 Huy T. Nguyen, MD prescribe under Medicare Part D?
In 2024, Huy T. Nguyen, MD had 3,445 Medicare Part D claims for 499 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Huy T. Nguyen, MD's MIPS final score?
The 2023 MIPS final score is 95.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.