John Vu, MD,PHD
NPI 1255535589 · Dermatology Physician · Gaithersburg, MD
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Vu, MD,PHD is a Dermatology Physician provider in Gaithersburg, MD (NPI 1255535589).
Provider details
- NPI number
- 1255535589
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD,PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MT193385 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
47 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 47 | $81 |
Typical Medicare-allowed amounts for these services range $81–$81 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 95 | 57 |
| Clobetasol Propionate | 81 | 41 |
| Tacrolimus | 76 | 47 |
| Ketoconazole | 74 | 36 |
| Fluocinonide | 53 | 35 |
| Ciclopirox Olaminebrand: Ciclopirox | 50 | 20 |
| Clindamycin Phosphate | 45 | 17 |
| Doxycycline Monohydrate | 33 |
Practice location
Mailing address
Additional practice locations (1)
- 22 S Greene StMedicine, N3e09Baltimore, MD 21201-1544Phone: (410) 328-6110
Registry dates
- Enumerated
- 2007-06-12
- Last updated
- 2022-01-08
- Certified
- 2021-06-03
Frequently asked questions
- What is John Vu's NPI number?
- John Vu's National Provider Identifier (NPI) is 1255535589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Vu's specialty?
- John Vu is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is John Vu located?
- John Vu's practice location on file with NPPES is 655 Watkins Mill Rd, Gaithersburg, MD 20879-3301.
- What is John Vu's phone number?
- The practice phone number listed in the NPPES registry for John Vu is (240) 632-4850.
- Does John Vu accept Medicare?
- John Vu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Vu's NPI active?
- Yes — John Vu's NPI (1255535589) is active in the NPPES registry as of the last update on 2022-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.