Sophia Ly, MD, MPH
Dermatology Physician · Boston, MA
Sophia Ly, MD, MPH is a dermatology physician with a practice address in Boston, Massachusetts, and NPI 1508645441, issued on Sep 28, 2023. Check the license (Massachusetts 3017967, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sophia Ly
- Credential
- MD, MPH
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 3017967 MA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-1359
- Enumerated
- Sep 28, 2023
- Record last updated
- Apr 6, 2026
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 627 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sophia Ly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 3017967Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average dermatology physician in 2024
21 Medicare Part D claims for 13 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
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.
Sophia Ly among 627 dermatology physician records in Massachusetts
Sophia Ly, MD, MPH 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 2023, is newer than 96% of them.
- NPI issued2023 · 96% of these records are older, 3% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2026 · 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
- Abdullah Aleisa, M.D.Boston, MA 021111376996199
- Yahya Argobi, M.D.Boston, MA 021111366736407
- Catherine Baker, MDBoston, MA 021111942836929
- Victoria BilleroBoston, MA 021111568967479
- Sandhya Chowdary Deverapalli, M.D.Boston, MA 021111306265806
- David Feingold, M.D.Boston, MA 021111689608358
- Dennis Lee, M.D.Boston, MA 021111912945205
- Paul Lizzul, MD, PHD, MPH, MBABoston, MA 021111932212206
Common questions
What is Sophia Ly, MD, MPH's NPI number?
Sophia Ly, MD, MPH's National Provider Identifier (NPI) is 1508645441, issued on Sep 28, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Sophia Ly, MD, MPH located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-1359. Providers update this record themselves, so call before visiting.
How can I verify Sophia Ly, MD, MPH's license?
NPPES lists Massachusetts license number 3017967, 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 Sophia Ly, MD, MPH prescribe under Medicare Part D?
In 2024, Sophia Ly, MD, MPH had 21 Medicare Part D claims for 13 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.