Wen Yee Lee, M.D.
Internal Medicine Physician · Chelmsford, MA
Wen Yee Lee, M.D. is an internal medicine physician with a practice address in Chelmsford, Massachusetts, and NPI 1396701777, issued on Apr 25, 2006. Check the license (Massachusetts 160175, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Wen Yee Lee
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 160175 MA
Self-reported in NPPES; status is on the state search - Practice location
- 228 Billerica RD, Chelmsford, MA 01824
- Phone
- (978) 250-6100
- Enumerated
- Apr 25, 2006
- Record last updated
- Nov 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (978) 250-6470
- Medicaid ID
- 3200035 MA
- Medicare enrollment
- Enrolled (PECOS I20060124000074); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 228 Billerica RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Wen Yee Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 160175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
401 Medicare Part D claims for 181 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluticasone Propionate23 claims
- Cyclobenzaprine Hcl16 claims
- Famotidine16 claims
- Levothyroxine Sodium16 claims
- Prednisone16 claims
- Eliquis13 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
- Atrius Health IncChelmsford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wen Yee Lee among 6,825 internal medicine physician records in Massachusetts
Wen Yee Lee, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1996 · median 2004 among the 4,103 with a school on file
- Record last updated2020 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 internal medicine physician records list a practice address in Chelmsford
They are 34 of the 937 NPPES records with a practice address in Chelmsford, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Chelmsford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shamim Dahod, M.D.Chelmsford, MA 018241710971379
- Karen Dasilva, M.D.Chelmsford, MA 018241851364889
- Richard Deamicis, M.D.Chelmsford, MA 018241801865233
- Milton Drake, M.D.Chelmsford, MA 018241750354700
- Damian FolchChelmsford, MA 018241225002066
- Jorge Gonzalez, M.D.Chelmsford, MA 018241821081209
- Raj Gupta, M.D.Chelmsford, MA 018241346215605
- Patricia Montaperto, M.D.Chelmsford, MA 018241376509604
Common questions
What is Wen Yee Lee, M.D.'s NPI number?
Wen Yee Lee, M.D.'s National Provider Identifier (NPI) is 1396701777, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wen Yee Lee, M.D. located?
The NPPES record lists a practice address at 228 Billerica RD, Chelmsford, MA, 01824. Phone: (978) 250-6100. Providers update this record themselves, so call before visiting.
How can I verify Wen Yee Lee, M.D.'s license?
NPPES lists Massachusetts license number 160175, 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 Wen Yee Lee, M.D. prescribe under Medicare Part D?
In 2024, Wen Yee Lee, M.D. had 401 Medicare Part D claims for 181 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.