Carcinoma, Basal CellEar AuricleEar Deformities, Acquired
Dr. Diane Ngan Trieu, MD
NPI1376710913PAC ID9931326550
- Medicare services, 2024
- 6,476
- Medicare patients, 2024
- 282
- Part D claims, 2024
- 2,138
- Publications
- 8
- MIPS score, 2024
- 75
- Practice address
- 1525 Lapalco Blvd, Harvey, LA 70058-5738
- Practice phone
- Call (504) 390-1156
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Trieu Dermatology
Physician office · Harvey, Louisiana
Find Dr. Trieu's professional email, personal email and mobile number
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Dr. Diane Ngan Trieu is a mohs-micrographic surgery physician in Harvey, Louisiana
Dr. Trieu practices at Trieu Dermatology in Harvey, Louisiana.
Dr. Trieu's NPI, 1376710913, was assigned on May 13, 2008. Dr. Trieu graduated from Tulane University School of Medicine in 2008. Dr. Trieu holds Louisiana license MD.203192.
NPI and contact details
- NPI
- 1376710913NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931326550
- NPI enumeration date
- May 13, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (504) 390-1156
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diane Ngan Trieu practices at Trieu Dermatology in Harvey, Louisiana
Dr. Trieu's primary practice is Trieu Dermatology, at 1525 Lapalco Blvd, Harvey, LA 70058-5738. The practice phone is (504) 390-1156.
- Trieu Dermatology1525 Lapalco Blvd, Harvey, LA 70058-5738Phone(504) 390-1156
Source: Dmand AI Affiliation Data
Dr. Diane Ngan Trieu is affiliated with 2 sites of care and 2 medical groups
Dr. Trieu's primary practice is Trieu Dermatology in Harvey, Louisiana. The medical group on file is DermSurgery Associates. Dmand AI also links Dr. Trieu to 1 more group practice or clinic and 1 medical group, each named with a free account.
Trieu DermatologyPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Diane Ngan Trieu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Trieu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Trieu Dermatology | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diane Ngan Trieu is one of 12 mohs-micrographic surgery physicians in Louisiana
Mohs-micrographic surgery is Dr. Trieu's primary specialty in the NPI Registry, under taxonomy code 207ND0101X. Dmand AI has Dr. Trieu's licenses on file in 2 states: Louisiana and Texas.
Specialties and state licenses
- Mohs-micrographic surgery, LouisianaPrimary
- Dermatology, Texas
Mohs-micrographic surgery physicians near Dr. Trieu
Counts of mohs-micrographic surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Diane Ngan Trieu billed Medicare for 6,476 services in 2024
CMS data shows 6,476 Medicare services from Dr. Trieu across 23 procedure codes in 2024, for 282 Medicare patients. Medicare paid $246,271 for them. Every service was in an office.
Medicare services, 20246,476
Medicare patients282
Paid by Medicare$246,271
Procedure codes23
Dr. Trieu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 4,2002024: 4,4015%
- Surgery
- 2023: 1,3262024: 1,63723%
- Office and hospital visits
- 2023: 4342024: 4164%
- Tests and treatments
- 2023: 212024: 225%
Dr. Trieu compared with the Louisiana median for mohs-micrographic surgery physicians, 2024
- Dr. Trieu
- Louisiana median
- Medicare services
- 6,476vs 1,3364.8 times
- Medicare patients
- 282vs 34919% below
- Part D claims
- 1,937vs 3915.0 times
Medians across 12 mohs-micrographic surgery physicians in Louisiana with Dmand AI profiles that report each measure.
Dr. Trieu's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Trieu and other mohs-micrographic surgery physicians in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diane Ngan Trieu treated 282 Medicare patients in 2024, average age 75
CMS counts 282 Medicare patients who saw Dr. Trieu in 2024. The largest group is 65 to 74, with 126 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Trieu's median patient age at 73, with 52% women.
Medicare patients, 2024282
Average age75
Average risk score1.12
Also on Medicaid7%
Dr. Trieu's Medicare patients by age, 2024
Dr. Trieu's Medicare patients by sex, 2024
- Women13548%
- Men14752%
Chronic conditions among Dr. Trieu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis33%
- Ischemic heart disease26%
- Diabetes25%
- Chronic kidney disease23%
- Anxiety18%
- Atrial fibrillation18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Trieu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diane Ngan Trieu wrote 2,138 Medicare Part D claims in 2024
In 2024, Dr. Trieu wrote 2,138 Medicare Part D claims for 654 patients. 86% of them were for generic drugs. CMS names the drug for 1,937 of them, across 28 drugs with 11 or more claims each, at $1,754,877 in total drug cost. In 2023, CMS named 1,556 claims across 24 drugs.
Part D claims, 20242,138
Drugs named by CMS28
Total drug cost$1.8M
Part D patients654
Dr. Trieu's Part D claims by kind of drug, 2024
- Generic1,831 claims86%
- Brand-name307 claims14%
Dr. Trieu's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Trieu's Part D claims, 2024
- Opioids1%32 of 2,138 claims
- Antibiotics26%558 of 2,138 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,5562024: 1,93724%
Drugs named by CMS: 28 in 2024, 24 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Diane Ngan Trieu scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Trieu for performance year 2024, reported individually. Dr. Trieu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 323 procedures of skin biopsy by Dr. Trieu, more than 91% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Trieu ranks in Medicare procedure volume
- Removal of skin lesions
- 84th percentile390 procedures
- Skin biopsy
- 91st percentile323 procedures
- Removal of skin cancer
- 42nd percentile289 procedures
- Melanoma (skin cancer) excision
- 72nd percentile17 procedures
- Removal of tissue
- 63rd percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Diane Ngan Trieu has 8 publications on record
Dmand AI links 8 papers to Dr. Trieu, published from 2014 to 2016. 2014 was the busiest year, with 2. The most frequent topics are Mohs Surgery, Skin Neoplasms and Carcinoma, Basal Cell. Dr. Trieu has published most often in Dermatol Surg. Dr. Trieu's most frequent co-authors are Anna Drosou, MD and Arash Kimyai-Asadi, MD.
Papers8
Years published2014 to 2016
Topics Dr. Trieu writes about most
- Mohs Surgery
- Skin Neoplasms
- Carcinoma, Basal Cell
- Carcinoma, Squamous Cell
- Surgical Flaps
Dr. Trieu's most frequent co-authors
Recent publications by Dr. Trieu
Mohs SurgeryNeurofibromaNose Neoplasms
See who Dr. Trieu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Trieu works with, so you can find a warm path to the right mohs-micrographic surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Diane Ngan Trieu received $16,711 in industry payments from 2016 to 2025
CMS Open Payments shows 808 general payments to Dr. Trieu from 41 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Abbvie Inc. paid the most, $2,435.
General payments to Dr. Trieu by program year, 2016 to 2025
General payments to Dr. Trieu by kind, 2016 to 2025
$16.7Kin total
- Food and beverage$15,70394%
- Education$6574%
- Honoraria$3502%
Companies that paid Dr. Trieu the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Diane Ngan Trieu graduated from Tulane University School of Medicine
Dr. Trieu graduated from Tulane University School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Diane Ngan Trieu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Diane Ngan Trieu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Diane Ngan Trieu's NPI number?
Dr. Diane Ngan Trieu's NPI number is 1376710913. It was assigned on May 13, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Diane Ngan Trieu?
Dr. Diane Ngan Trieu is a mohs-micrographic surgery physician in Harvey, Louisiana. The primary specialty in the NPI Registry is MOHS-Micrographic Surgery Physician (taxonomy code 207ND0101X).
Where does Dr. Diane Ngan Trieu practice?
Dr. Trieu practices at 1525 Lapalco Blvd, Harvey, LA 70058-5738. Dr. Trieu's primary practice is Trieu Dermatology in Harvey, Louisiana. Dmand AI also links Dr. Trieu to 1 group practice or clinic and 1 medical group.
What is Dr. Diane Ngan Trieu's office phone number?
The practice phone on file for Dr. Trieu is (504) 390-1156.
What is Dr. Diane Ngan Trieu's medical license number?
Dr. Trieu holds Louisiana license MD.203192, one of the licenses on file in 2 states.
Which states has Dr. Diane Ngan Trieu been licensed in?
Dmand AI has state licenses on file for Dr. Trieu in Louisiana and Texas.
What medical group is Dr. Diane Ngan Trieu part of?
Dr. Trieu is linked to DermSurgery Associates. Dmand AI links Dr. Trieu to 1 more medical group.
Does Dr. Diane Ngan Trieu accept Medicare?
Yes. CMS data shows Dr. Trieu billed Medicare for 6,476 services in 2024, and Dr. Trieu accepts Medicare assignment.
What is Dr. Diane Ngan Trieu's MIPS score?
Dr. Trieu's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. Diane Ngan Trieu see?
CMS counts 282 Medicare patients who saw Dr. Trieu in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
What services does Dr. Diane Ngan Trieu bill to Medicare?
In 2024, Dr. Trieu's most billed Medicare services were injected or infused drug (J7345), surgery: skin and soft tissue (17003) and office visit, established patient (99213).
Where did Dr. Diane Ngan Trieu go to medical school?
Dr. Trieu graduated from Tulane University School of Medicine in 2008.
What drugs does Dr. Diane Ngan Trieu prescribe most?
In 2024 Medicare Part D data, Dr. Trieu's most prescribed drugs by claims were Doxycycline Hyclate, Ketoconazole and Clobetasol Propionate.
Has Dr. Diane Ngan Trieu received payments from drug or device companies?
CMS Open Payments shows $16,711 in general payments to Dr. Trieu from 41 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Diane Ngan Trieu been practicing?
Dr. Trieu graduated from medical school in 2008, 18 years ago.
Does Dr. Diane Ngan Trieu do research?
Dmand AI links 8 publications to Dr. Trieu, published from 2014 to 2016.
Who does Dr. Diane Ngan Trieu publish with?
Dr. Trieu's most frequent co-authors are Anna Drosou, MD (4 shared papers) and Arash Kimyai-Asadi, MD (1 shared paper).
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