William Lin, MD
NPI 1619255502 · Dermatology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Lin, MD is a Dermatology Physician provider in Boston, MA (NPI 1619255502).
Provider details
- NPI number
- 1619255502
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 248412 (MA)
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
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
5,539 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 | 2,838 | $79 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 457 | $8 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 420 | $118 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 361 | $139 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 296 | $103 |
| Antibody Evaluation, Each Additional Single Antibody Stain Procedure88350 | 281 | $129 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluorouracil | 75 | 56 |
| Ketoconazole | 41 | 20 |
| Betamethasone Dipropionate | 40 | 20 |
| Clobetasol Propionate | 23 | 13 |
| Dupilumabbrand: Dupixent Pen | 22 | — |
| Triamcinolone Acetonide | 19 | 17 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 14 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-07-27
- Last updated
- 2016-04-13
Frequently asked questions
- What is William Lin's NPI number?
- William Lin's National Provider Identifier (NPI) is 1619255502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Lin's specialty?
- William Lin is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Lin located?
- William Lin's practice location on file with NPPES is 50 Staniford St, Boston, MA 02114-2517.
- What is William Lin's phone number?
- The practice phone number listed in the NPPES registry for William Lin is (617) 726-2914.
- Does William Lin accept Medicare?
- William Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Lin's NPI active?
- Yes — William Lin's NPI (1619255502) is active in the NPPES registry as of the last update on 2016-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.