Wooseung Lee, M.D.
Internal Medicine Physician · Chelmsford, MA
Wooseung Lee, M.D. is an internal medicine physician with a practice address in Chelmsford, Massachusetts, and NPI 1457500688, issued on Sep 11, 2008. Check the license (Massachusetts 246804, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Wooseung Lee
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 246804 MA
Self-reported in NPPES; status is on the state search - Practice location
- 228 Billerica RD, Chelmsford, MA 01824
- Phone
- (978) 250-6100
- Enumerated
- Sep 11, 2008
- Record last updated
- Feb 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (978) 250-6002
- Medicare enrollment
- Enrolled (PECOS I20110802000663); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- 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 Wooseung 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 246804Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% more Medicare Part D claims than the average internal medicine physician in 2024
4,340 Medicare Part D claims for 387 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 104 claims were for opioids.
Most prescribed
- Atorvastatin Calcium505 claims
- Amlodipine Besylate256 claims
- Lisinopril242 claims
- Metformin Hcl Er157 claims
- Omeprazole144 claims
- Losartan Potassium108 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 IncNeedham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wooseung Lee among 6,825 internal medicine physician records in Massachusetts
Wooseung 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 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1986 · median 2004 among the 4,103 with a school on file
- Record last updated2021 · 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
- Wen Yee Lee, M.D.Chelmsford, MA 018241396701777
Common questions
What is Wooseung Lee, M.D.'s NPI number?
Wooseung Lee, M.D.'s National Provider Identifier (NPI) is 1457500688, issued on Sep 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Wooseung 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 Wooseung Lee, M.D.'s license?
NPPES lists Massachusetts license number 246804, 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 Wooseung Lee, M.D. prescribe under Medicare Part D?
In 2024, Wooseung Lee, M.D. had 4,340 Medicare Part D claims for 387 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.