Dr. Thanh-Nga Trinh Tran, MD, PhD
- Medicare services, 2024
- 7,655
- Medicare patients, 2024
- 1,166
- Part D claims, 2024
- 4,088
- Hospital affiliations
- 2
- Industry payments
- $130,915
- Practice address
- 340 Maple St, Marlborough, MA 01752
- Practice phone
- Call (508) 485-7779
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Louis Kuchnir MD
Marlborough, Massachusetts
Find Dr. Tran's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Thanh-Nga Trinh Tran is a dermatologist in Marlborough, Massachusetts
Dr. Tran practices at Louis Kuchnir MD in Marlborough, Massachusetts.
Dr. Tran's NPI, 1407977846, was assigned on April 3, 2007. Dr. Tran graduated from Harvard Medical School in 2005. Dr. Tran holds Massachusetts license L-224836.
- NPI
- 1407977846NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375698509
- NPI enumeration date
- April 3, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 485-7779
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thanh-Nga Trinh Tran practices at Louis Kuchnir MD in Marlborough, Massachusetts
Dr. Tran's primary practice is Louis Kuchnir MD, at 340 Maple St, Marlborough, MA 01752 in Middlesex County. The practice phone is (508) 485-7779.
- Louis Kuchnir MD340 Maple St, Marlborough, MA 01752 · Middlesex CountyPhone(508) 485-7779
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thanh-Nga Trinh Tran is affiliated with 6 sites of care and 1 medical group
Dr. Tran's primary practice is Louis Kuchnir MD in Marlborough, Massachusetts. Dr. Tran is also affiliated with UMass Memorial Health - Milford Regional Medical Center. The medical group on file is Kuchnir Dermatology & Dermatologic Surgery. Dmand AI also links Dr. Tran to 1 more hospital, 2 home health agencies and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thanh-Nga Trinh Tran's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tran practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Louis Kuchnir MD | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thanh-Nga Trinh Tran is one of 562 dermatologists in Massachusetts
Dermatology is Dr. Tran's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Tran is licensed in Massachusetts.
Specialties and state licenses
- Dermatology, MassachusettsPrimary
Dermatologists near Dr. Tran
Counts of dermatologists 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. Thanh-Nga Trinh Tran billed Medicare for 7,655 services in 2024
CMS data shows 7,655 Medicare services from Dr. Tran across 30 procedure codes in 2024, for 1,166 Medicare patients. Medicare paid $466,676 for them. Every service was in an office.
Dr. Tran's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 4,6482024: 5,12810%
- Office and hospital visits
- 2023: 2,1682024: 2,37910%
- Tests and treatments
- 2023: 832024: 12449%
- Lab and pathology
- 2023: 02024: 24
- Drugs given in the office
- 2023: 4,4002024: 0100%
- Other services
- 2023: 6602024: 0100%
Dr. Tran compared with the Massachusetts median for dermatologists, 2024
- Dr. Tran
- Massachusetts median
- Medicare services
- 7,655vs 1,6104.8 times
- Medicare patients
- 1,166vs 4892.4 times
- Part D claims
- 3,834vs 34711.0 times
Medians across 559 dermatologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Tran'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thanh-Nga Trinh Tran treated 1,166 Medicare patients in 2024, average age 76
CMS counts 1,166 Medicare patients who saw Dr. Tran in 2024. The largest group is 65 to 74, with 492 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tran's median patient age at 67, with 65% women.
Dr. Tran's Medicare patients by age, 2024
Dr. Tran's Medicare patients by sex, 2024
- Women78567%
- Men38133%
Chronic conditions among Dr. Tran's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis43%
- Anxiety22%
- Diabetes21%
- Ischemic heart disease20%
- Osteoporosis20%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tran's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thanh-Nga Trinh Tran wrote 4,088 Medicare Part D claims in 2024
In 2024, Dr. Tran wrote 4,088 Medicare Part D claims for 1,017 patients. 91% of them were for generic drugs. CMS names the drug for 3,834 of them, across 49 drugs with 11 or more claims each, at $523,130 in total drug cost. In 2023, CMS named 3,086 claims across 44 drugs.
Dr. Tran's Part D claims by kind of drug, 2024
- Generic3,731 claims91%
- Brand-name357 claims9%
Dr. Tran'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. Tran's Part D claims, 2024
- Antibiotics10%411 of 4,088 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: 3,0862024: 3,83424%
Drugs named by CMS: 49 in 2024, 44 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. Thanh-Nga Trinh Tran scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Tran for performance year 2024, reported individually. Dr. Tran accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tran as offering telehealth. CMS counts 1,677 procedures of removal of skin lesions by Dr. Tran, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Tran's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Tran ranks in Medicare procedure volume
- Removal of skin lesions
- 97th percentile1,677 procedures
- Skin biopsy
- 97th percentile597 procedures
- Melanoma (skin cancer) excision
- 96th percentile171 procedures
- Removal of tissue
- 87th percentile126 procedures
- Removal or shaving of skin growth
- 84th percentile98 procedures
- Removal of nail tissue
- 61st percentile19 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. Thanh-Nga Trinh Tran received $130,915 in industry payments from 2016 to 2025
CMS Open Payments shows 1,742 general payments to Dr. Tran from 44 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 53% of the total. Amgen Inc. paid the most, $77,745.
General payments to Dr. Tran by program year, 2016 to 2025
General payments to Dr. Tran by kind, 2016 to 2025
- Speaker and faculty fees$69,54053%
- Food and beverage$41,22631%
- Consulting fees$8,8967%
- Travel and lodging$7,2836%
- Other$3,9703%
Companies that paid Dr. Tran 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. Thanh-Nga Trinh Tran graduated from Harvard Medical School
Dr. Tran graduated from Harvard Medical School in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thanh-Nga Trinh Tran'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Thanh-Nga Trinh Tran
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. Thanh-Nga Trinh Tran's NPI number?
Dr. Thanh-Nga Trinh Tran's NPI number is 1407977846. It was assigned on April 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Thanh-Nga Trinh Tran?
Dr. Thanh-Nga Trinh Tran is a dermatologist in Marlborough, Massachusetts. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Thanh-Nga Trinh Tran practice?
Dr. Tran practices at 340 Maple St, Marlborough, MA 01752. Dr. Tran's primary practice is Louis Kuchnir MD in Marlborough, Massachusetts. Dmand AI also links Dr. Tran to 1 hospital, 2 home health agencies and 1 group practice or clinic.
What is Dr. Thanh-Nga Trinh Tran's office phone number?
The practice phone on file for Dr. Tran is (508) 485-7779.
What is Dr. Thanh-Nga Trinh Tran's medical license number?
Dr. Tran holds Massachusetts license L-224836.
Which hospitals is Dr. Thanh-Nga Trinh Tran affiliated with?
Dr. Tran is affiliated with UMass Memorial Health - Milford Regional Medical Center. Dmand AI links Dr. Tran to 1 more hospital.
What medical group is Dr. Thanh-Nga Trinh Tran part of?
Dr. Tran is linked to Kuchnir Dermatology & Dermatologic Surgery.
Does Dr. Thanh-Nga Trinh Tran accept Medicare?
Yes. CMS data shows Dr. Tran billed Medicare for 7,655 services in 2024, and Dr. Tran accepts Medicare assignment.
Does Dr. Thanh-Nga Trinh Tran offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Tran as offering telehealth services.
What is Dr. Thanh-Nga Trinh Tran's MIPS score?
Dr. Tran's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Thanh-Nga Trinh Tran see?
CMS counts 1,166 Medicare patients who saw Dr. Tran in 2024, with an average age of 76.
What services does Dr. Thanh-Nga Trinh Tran bill to Medicare?
In 2024, Dr. Tran's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Thanh-Nga Trinh Tran go to medical school?
Dr. Tran graduated from Harvard Medical School in 2005.
What drugs does Dr. Thanh-Nga Trinh Tran prescribe most?
In 2024 Medicare Part D data, Dr. Tran's most prescribed drugs by claims were Clobetasol Propionate, Metronidazole and Ketoconazole.
Has Dr. Thanh-Nga Trinh Tran received payments from drug or device companies?
CMS Open Payments shows $130,915 in general payments to Dr. Tran from 44 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Thanh-Nga Trinh Tran been practicing?
Dr. Tran graduated from medical school in 2005, 21 years ago.
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