William M. Lin, MD
Dermatology Physician · Boston, MA
William M. Lin, MD is a dermatology physician with a practice address in Boston, Massachusetts, and NPI 1619255502, issued on Jul 27, 2011. Check the license (Massachusetts 248412, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- William M. Lin
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 248412 MA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Staniford St, Boston, MA 02114
- Phone
- (617) 726-2914
- Enumerated
- Jul 27, 2011
- Record last updated
- Apr 13, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161031000870); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 627 in Massachusetts → Look up another NPI →
Also registered at 50 Staniford St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Anderson, MDDermatology Physician1700869831
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- Alison Avram, M.D.Dermatology Physician1083721781
- Mathew Avram, MDDermatology Physician1295717296
Verify William M. Lin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 248412Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average dermatology physician in 2024
345 Medicare Part D claims for 131 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Fluorouracil75 claims
- Ketoconazole41 claims
- Betamethasone Dipropionate40 claims
- Clobetasol Propionate23 claims
- Dupixent Pen22 claims
- Triamcinolone Acetonide19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William M. Lin among 627 dermatology physician records in Massachusetts
William M. Lin, MD is one of 627 dermatology physician records with a practice address in Massachusetts. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 59% of them.
- NPI issued2011 · 59% of these records are older, 39% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2011 · median 2008 among the 445 with a school on file
- Record last updated2016 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Massachusetts
There are 627 dermatology physician records in Massachusetts.
All 627 in Massachusetts → Every provider in Boston → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Richard Anderson, MDBoston, MA 021141700869831
- Mathew Avram, MDBoston, MA 021141295717296
- Howard Baden, MDBoston, MA 021141427048636
- Melissa Burnett, MDBoston, MA 021141407837818
- Ernesto Gonzalez-Martinez, MDBoston, MA 021141821070806
- Anita Grassi, MDBoston, MA 021141831189513
- Joannes Grevelink, MD PHDBoston, MA 021141538150982
- Joseph Kvedar, MDBoston, MA 021141043200223
Common questions
What is William M. Lin, MD's NPI number?
William M. Lin, MD's National Provider Identifier (NPI) is 1619255502, issued on Jul 27, 2011. An NPI identifies a provider in billing; it is not a license.
Where is William M. Lin, MD located?
The NPPES record lists a practice address at 50 Staniford St, Boston, MA, 02114. Phone: (617) 726-2914. Providers update this record themselves, so call before visiting.
How can I verify William M. Lin, MD's license?
NPPES lists Massachusetts license number 248412, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William M. Lin, MD prescribe under Medicare Part D?
In 2024, William M. Lin, MD had 345 Medicare Part D claims for 131 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.