Thanh-Nga Tran, MD, PHD
NPI 1407977846 · Dermatology Physician · Marlborough, MA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thanh-Nga Tran, MD, PHD is a Dermatology Physician provider in Marlborough, MA (NPI 1407977846).
Provider details
- NPI number
- 1407977846
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- L-224836 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
7,655 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 2,491 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,213 | $134 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 862 | $95 |
| Destruction of Precancer Skin Growth, 15 Or More Growths17004 | 553 | $178 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 491 | $57 |
| Biopsy of Related Skin Growth, First Growth11102 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clobetasol Propionate | 415 | 271 |
| Metronidazole | 323 | 204 |
| Ketoconazole | 244 | 143 |
| Mupirocin | 227 | 175 |
| Ammonium Lactate | 216 | 116 |
| Minoxidil | 215 | 63 |
| Doxycycline Hyclate | 175 | 75 |
| Triamcinolone Acetonide | 174 | 130 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$36,150 across 305 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-03
- Last updated
- 2013-08-21
Frequently asked questions
- What is Thanh-Nga Tran's NPI number?
- Thanh-Nga Tran's National Provider Identifier (NPI) is 1407977846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thanh-Nga Tran's specialty?
- Thanh-Nga Tran is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Thanh-Nga Tran located?
- Thanh-Nga Tran's practice location on file with NPPES is 340 Maple St., Marlborough, MA 01752.
- What is Thanh-Nga Tran's phone number?
- The practice phone number listed in the NPPES registry for Thanh-Nga Tran is (508) 485-7779.
- Does Thanh-Nga Tran accept Medicare?
- Thanh-Nga Tran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thanh-Nga Tran's NPI active?
- Yes — Thanh-Nga Tran's NPI (1407977846) is active in the NPPES registry as of the last update on 2013-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.