Michael Tony Nguyen, DO
Internal Medicine Physician · Los Angeles, CA
Michael Tony Nguyen, DO is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1902392665, issued on Jul 5, 2018. Check the license (California 18032, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Tony Nguyen
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 18032 CA
2019038358 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1401 S Grand Ave, Los Angeles, CA 90015
- Phone
- (213) 748-2411
- Enumerated
- Jul 5, 2018
- Record last updated
- Aug 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20220307001995); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1401 S Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Abbou, MDInternal Medicine Physician1700456407
- Amos Acoff, M.D.Internal Medicine Physician1386687051
- Cristina Acosta-Padron, M.D.Emergency Medicine Physician1902122260
- Osman Adam, MDStudent in an Organized Health Care Education/Training Program1588302921
- Sahra AkbariStudent in an Organized Health Care Education/Training Program1255175386
- Susanne Alcudia, M.D.Student in an Organized Health Care Education/Training Program1700291739
Verify Michael Tony Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 18032Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
154 Medicare Part D claims for 62 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide14 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: $254.53
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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
- Hospitalist Group OF Montebello IncS El Monte, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Tony Nguyen among 17,696 internal medicine physician records in California
Michael Tony Nguyen, DO 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 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2018 · 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Amos Acoff, M.D.Los Angeles, CA 900151386687051
- Pouya Bahrami, DOLos Angeles, CA 900151871526301
- Robert Blackman, MDLos Angeles, CA 900151245203082
- Jesus Carlos, M.D.Los Angeles, CA 900151609954155
- Blanca Fajardo, MDLos Angeles, CA 900151700998804
- Albert Fite, M.D.Los Angeles, CA 900151326052218
- Jeffrey Harris, MDLos Angeles, CA 900151326038647
- Elsa Hartwick, M.D.Los Angeles, CA 900151558375022
Common questions
What is Michael Tony Nguyen, DO's NPI number?
Michael Tony Nguyen, DO's National Provider Identifier (NPI) is 1902392665, issued on Jul 5, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Michael Tony Nguyen, DO located?
The NPPES record lists a practice address at 1401 S Grand Ave, Los Angeles, CA, 90015. Phone: (213) 748-2411. Providers update this record themselves, so call before visiting.
How can I verify Michael Tony Nguyen, DO's license?
NPPES lists California license number 18032, 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 Tony Nguyen, DO prescribe under Medicare Part D?
In 2024, Michael Tony Nguyen, DO had 154 Medicare Part D claims for 62 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.