Gia-Hau Nguyen, D.O.
Emergency Medicine Physician · Monroe, MI
Gia-Hau Nguyen, D.O. is an emergency medicine physician with a practice address in Monroe, Michigan, and NPI 1013367523, issued on Jun 15, 2016. Check the license (Michigan 5101022661, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Gia-Hau Nguyen
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 5101022661 MI
Self-reported in NPPES; status is on the state search - Practice location
- 718 N Macomb St, Monroe, MI 48162
- Phone
- (734) 240-8400
- Enumerated
- Jun 15, 2016
- Record last updated
- Jun 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200518002010); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 718 N Macomb St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Farah Ahmed, DOFamily Medicine Physician1346734050
- Evan Al-Bazi, DOEmergency Medicine Physician1508386103
- Nadia Allen, CPNPPediatric Nurse Practitioner1326478447
- Justin Andes, D.O.Emergency Medicine Physician1861874125
- Zachary Armstrong, MDEmergency Medicine Physician1396475976
- Kaitlin AssaadAmbulatory Care Pharmacist1053092684
Verify Gia-Hau Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101022661Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average emergency medicine physician in 2024
346 Medicare Part D claims for 261 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 105 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen61 claims
- Oxycodone-Acetaminophen40 claims
- Ciprofloxacin Hcl25 claims
- Cephalexin23 claims
- Ondansetron Odt23 claims
- Cefdinir13 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: $77.51
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 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
- Houston County Healthcare AuthorityDothan, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gia-Hau Nguyen among 3,083 emergency medicine physician records in Michigan
Gia-Hau Nguyen, D.O. is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 62% of them.
- NPI issued2016 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2013 among the 1,931 with a school on file
- Record last updated2018 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 emergency medicine physician records list a practice address in Monroe
They are 40 of the 1,305 NPPES records with a practice address in Monroe, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Monroe → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Justin Andes, D.O.Monroe, MI 481621861874125
- Michael Chen, DOMonroe, MI 481621184729683
- Daniel Heinen, D.O.Monroe, MI 481621619062163
- Zenzile Johnson-Mendoza, D.O.Monroe, MI 481621598891863
- Solomon Knicely, DOMonroe, MI 481621528089679
- David Kraus, D.O.Monroe, MI 481621407834708
- Robert Lifferth, D.O.Monroe, MI 481621932529609
- Brett May, D.O.Monroe, MI 481621457886293
Common questions
What is Gia-Hau Nguyen, D.O.'s NPI number?
Gia-Hau Nguyen, D.O.'s National Provider Identifier (NPI) is 1013367523, issued on Jun 15, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Gia-Hau Nguyen, D.O. located?
The NPPES record lists a practice address at 718 N Macomb St, Monroe, MI, 48162. Phone: (734) 240-8400. Providers update this record themselves, so call before visiting.
How can I verify Gia-Hau Nguyen, D.O.'s license?
NPPES lists Michigan license number 5101022661, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gia-Hau Nguyen, D.O. prescribe under Medicare Part D?
In 2024, Gia-Hau Nguyen, D.O. had 346 Medicare Part D claims for 261 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.