William Franklin Lewis, MD
Dermatology Physician · Boston, MA
William Franklin Lewis, MD is a dermatology physician with a practice address in Boston, Massachusetts, and NPI 1770015349, issued on Apr 1, 2017. Check the license (Massachusetts 1019437, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- William Franklin Lewis
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- 1019437 MA
MD470153 PA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Brookline Ave # 522, Boston, MA 02215
- Phone
- (617) 667-4995
- Enumerated
- Apr 1, 2017
- Record last updated
- Aug 26, 2024
- Fax
- (617) 667-4948
- Medicare enrollment
- Enrolled (PECOS I20240814002044); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2009
- Entity
- Type 1 · individual
Also registered at 330 Brookline Ave # 522
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hope Barone, DODermatology Physician1245726991
- Bruna Galvao De Oliveira Wafae, MD, MMSCDermatology Physician1043020472
- Christopher Iriarte, MDDermatology Physician1770073751
- Gerilyn Olsen, MDDermatology Physician1538746847
Verify William Franklin Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1019437Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average dermatology physician in 2024
184 Medicare Part D claims for 90 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Ketoconazole39 claims
- Triamcinolone Acetonide33 claims
- Clobetasol Propionate11 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
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dermatology Physician providers in Massachusetts
There are 627 dermatology physician records in Massachusetts.
Other dermatology physician records in Massachusetts
- Zainab AbbasWorcester, MA1609028000
- Christopher Adams, M.D.Boston, MA1871777615
- Adewunmi Adelaja, MD, PHDBoston, MA1396488615
- David Aghassi, MDWellesley, MA1285698936
- Abdul Ahmed, MDBoston, MA1417947516
- Ali Al-Haseni, M.D.Boston, MA1144751777
- Abdullah Alajaji, MDBoston, MA1356698351
- Rhoda Alani, M.D.Boston, MA1154385268
- Christina Alavian, M.D.Worcester, MA1356376461
- Lee Albert, MDMilford, MA1619974102
Common questions
What is William Franklin Lewis, MD's NPI number?
William Franklin Lewis, MD's National Provider Identifier (NPI) is 1770015349, issued on Apr 1, 2017. An NPI identifies a provider in billing; it is not a license.
Where is William Franklin Lewis, MD located?
The NPPES record lists a practice address at 330 Brookline Ave # 522, Boston, MA, 02215. Phone: (617) 667-4995. Providers update this record themselves, so call before visiting.
How can I verify William Franklin Lewis, MD's license?
NPPES lists Massachusetts license number 1019437, 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 Franklin Lewis, MD prescribe under Medicare Part D?
In 2024, William Franklin Lewis, MD had 184 Medicare Part D claims for 90 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.