Michael Quang Nguyen, MD
Internal Medicine Physician · Anaheim, CA
Michael Quang Nguyen, MD is an internal medicine physician with a practice address in Anaheim, California, and NPI 1962550764, issued on Jan 8, 2007. Check the license (California A83837, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Quang Nguyen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A83837 CA
Self-reported in NPPES; status is on the state search - Practice location
- 441 N Lakeview Ave, Anaheim, CA 92807
- Phone
- (888) 988-2800
- Enumerated
- Jan 8, 2007
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20041015000576); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 441 N Lakeview Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Quang Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A83837Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average internal medicine physician in 2024
617 Medicare Part D claims for 261 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Furosemide36 claims
- Prednisone26 claims
- Ciprofloxacin Hcl23 claims
- Pantoprazole Sodium23 claims
- Cefpodoxime Proxetil21 claims
- Clopidogrel21 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.
Industry payments in 2024: $149.60
1 payment: food and beverage; the largest payer was BeiGene USA, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Southern California Permanente Medical GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Quang Nguyen among 17,696 internal medicine physician records in California
Michael Quang Nguyen, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2001 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
189 internal medicine physician records list a practice address in Anaheim
They are 189 of the 9,018 NPPES records with a practice address in Anaheim, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Anaheim → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Wesley Chang, M.D.Anaheim, CA 928071174593453
- Caren Chen, MDAnaheim Hills, CA 928071538172044
- Donna Frisch, MDAnaheim Hills, CA 928071093728503
- Sajini George, MDAnaheim, CA 928071972674919
- Bernard Hall, M.D.Anaheim, CA 928071912078411
- Audrey Konow, M.D.Anaheim, CA 928071659481125
- John Lauridsen, M.D.Anaheim, CA 928071730114166
- Edward Nepomuceno, M.D.Anaheim, CA 928071235215799
Common questions
What is Michael Quang Nguyen, MD's NPI number?
Michael Quang Nguyen, MD's National Provider Identifier (NPI) is 1962550764, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Quang Nguyen, MD located?
The NPPES record lists a practice address at 441 N Lakeview Ave, Anaheim, CA, 92807. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Michael Quang Nguyen, MD's license?
NPPES lists California license number A83837, 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 Michael Quang Nguyen, MD prescribe under Medicare Part D?
In 2024, Michael Quang Nguyen, MD had 617 Medicare Part D claims for 261 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.