Diane Ngan Trieu, MD
MOHS-Micrographic Surgery Physician · Harvey, LA
Diane Ngan Trieu, MD is a mohs-micrographic surgery physician with a practice address in Harvey, Louisiana, and NPI 1376710913, issued on May 13, 2008. Check the license (Louisiana MD.203192, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Diane Ngan Trieu
- Credential
- MD
- Primary taxonomy
- MOHS-Micrographic Surgery Physician 207ND0101X
- License numbers
- MD.203192 LA
203192 LA
Q9754 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1525 Lapalco Blvd Ste 20, Harvey, LA 70058
- Phone
- (504) 517-2025
- Enumerated
- May 13, 2008
- Record last updated
- Jun 2, 2022
- Fax
- (504) 517-2027
- Medicare enrollment
- Enrolled (PECOS I20140805002312); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest mohs-micrographic surgery physician records → All 16 in Louisiana → Look up another NPI →
Verify Diane Ngan Trieu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.203192Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average mohs-micrographic surgery physician in 2024
2,138 Medicare Part D claims for 654 beneficiaries, against an average of 570 among the 1,396 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 32 claims were for opioids.
Most prescribed
- Doxycycline Hyclate502 claims
- Ketoconazole331 claims
- Clobetasol Propionate153 claims
- Triamcinolone Acetonide149 claims
- Fluconazole134 claims
- Ammonium Lactate100 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: $3,583.53
148 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 1,074 providers of this specialty with any payment received $4,075.23 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
- Family Dermatology Specialists LLCMetairie, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane Ngan Trieu among 16 mohs-micrographic surgery physician records in Louisiana
Diane Ngan Trieu, MD is one of 16 mohs-micrographic surgery physician records with a practice address in Louisiana. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 44% of them.
- NPI issued2008 · 44% of these records are older, 31% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileYes · 100% of these records are
- Graduated2008 · median 2008 among the 16 with a school on file
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ND0101X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
MOHS-Micrographic Surgery Physician providers in Louisiana
There are 16 mohs-micrographic surgery physician records in Louisiana.
All 16 in Louisiana → Every provider in Harvey → MOHS-Micrographic Surgery Physician nationwide →
The 8 mohs-micrographic surgery physician records with the nearest ZIP codes
- Eric Finley, MDMetairie, LA 700061184630709
- Elizabeth Bucher, M.D.Metairie, LA 700051295995546
- Keith Leblanc, M.D.Metairie, LA 700051972765493
- Randall Rougelot, M.D.Metairie, LA 700051679815450
- Zeena Al-Dujaili, MDNew Orleans, LA 701121184824393
- Peter Simoneaux, M.D.New Orleans, LA 701211730137845
- Suneeta Walia, MDNew Orleans, LA 701211023165180
- Rhonda Baldone, M.D.Covington, LA 704331245298876
Common questions
What is Diane Ngan Trieu, MD's NPI number?
Diane Ngan Trieu, MD's National Provider Identifier (NPI) is 1376710913, issued on May 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Diane Ngan Trieu, MD located?
The NPPES record lists a practice address at 1525 Lapalco Blvd Ste 20, Harvey, LA, 70058. Phone: (504) 517-2025. Providers update this record themselves, so call before visiting.
How can I verify Diane Ngan Trieu, MD's license?
NPPES lists Louisiana license number MD.203192, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Diane Ngan Trieu, MD prescribe under Medicare Part D?
In 2024, Diane Ngan Trieu, MD had 2,138 Medicare Part D claims for 654 beneficiaries; the average among mohs-micrographic surgery physician prescribers was 570. 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.