Giang Nguyen, MD, PHD
NPI 1336583426 · Dermatology Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Giang Nguyen, MD, PHD is a Dermatology Physician provider in Rochester, MN (NPI 1336583426).
Provider details
- NPI number
- 1336583426
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 307563 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,921 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 1,242 | $2 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 384 | $50 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 354 | $62 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 346 | $92 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 113 | $125 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 107 | 68 |
| Doxycycline Monohydrate | 67 | 16 |
| Minoxidil | 52 | 16 |
| Clobetasol Propionate | 40 | 27 |
| Triamcinolone Acetonide | 38 | 33 |
| Hydroxychloroquine Sulfate | 34 | — |
| Fluorouracil | 33 | 32 |
| Dupilumab |
Practice location
Mailing address
Additional practice locations (1)
- 1520 16th St Nw Apt 302Washington, DC 20036-1440Phone: (202) 714-7558
Registry dates
- Enumerated
- 2013-04-19
- Last updated
- 2022-02-28
- Certified
- 2022-02-28
Frequently asked questions
- What is Giang Nguyen's NPI number?
- Giang Nguyen's National Provider Identifier (NPI) is 1336583426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Giang Nguyen's specialty?
- Giang Nguyen is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Giang Nguyen located?
- Giang Nguyen's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.
- What is Giang Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Giang Nguyen is (507) 284-2511.
- Does Giang Nguyen accept Medicare?
- Giang Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Giang Nguyen's NPI active?
- Yes — Giang Nguyen's NPI (1336583426) is active in the NPPES registry as of the last update on 2022-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.