NPPES file of Aug 9, 2026

Won M. Lee, M.D.

Geriatric Medicine (Internal Medicine) Physician · Boston, MA

Won M. Lee, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Boston, Massachusetts, and NPI 1124218227, issued on Jul 26, 2007. Check the license (Massachusetts 232483, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124218227
Name
Won M. Lee
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
232483 MA
Self-reported in NPPES; status is on the state search
Practice location
725 Albany Street, Boston, MA 02118
Phone
(617) 638-6100
Enumerated
Jul 26, 2007
Record last updated
Jun 4, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(617) 638-6179
Medicaid ID
110080592A MA
Medicare enrollment
Enrolled (PECOS I20080401000028); accepts Medicare assignment
Medical or professional school
University Of Maryland School Of Medicine, 2004
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest geriatric medicine (internal medicine) physician records → All 225 in Massachusetts → Look up another NPI →

Also registered at 725 Albany Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Salah Abdelgadir, MDInfectious Disease Physician1891280954
  2. Bhraana Abraham, PAPhysician Assistant1649963661
  3. Afolarin Amodu, M.D.Nephrology Physician1194196410
  4. Archana Asundi, M.D.Infectious Disease Physician1417319013
  5. Alexandra Bachorik, M.D.Internal Medicine Physician1962883173
  6. Cecily Barber, MD, MPHObstetrics & Gynecology Physician1144754284

Verify Won M. Lee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 232483    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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1% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

4,203 Medicare Part D claims for 232 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 61 claims were for opioids.

  1. Won Lee4,203
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium332 claims
  2. Amlodipine Besylate203 claims
  3. Diclofenac Sodium126 claims
  4. Metoprolol Succinate117 claims
  5. Mirtazapine114 claims
  6. Losartan Potassium109 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

  1. Evans Medical Foundation IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Won M. Lee among 225 geriatric medicine (internal medicine) physician records in Massachusetts

Won M. Lee, M.D. is one of 225 geriatric medicine (internal medicine) physician records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 56% of them.

  • NPI issued2007 · 56% of these records are older, 36% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2004 · median 2000 among the 119 with a school on file
  • Record last updated2020 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Massachusetts

There are 225 geriatric medicine (internal medicine) physician records in Massachusetts.

All 225 in Massachusetts → Every provider in Boston → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Heidi Auerbach, M.D.Boston, MA 021181306829833
  2. Erica Bernstein, M.D., PHDBoston, MA 021181083686000
  3. Lisa Caruso, M.D.Boston, MA 021181316922099
  4. Hollis Day, MDShapiro 9 Suite A, MA 021181902878465
  5. Eric Hardt, M.D.Boston, MA 021181902882947
  6. Ellen Harrington Harrington, LICSWBoston, MA 021181851420327
  7. Sharon Levine, M.D.Boston, MA 021181821075540
  8. Daniel Oates, M.D.Boston, MA 021181871551531

Common questions

What is Won M. Lee, M.D.'s NPI number?

Won M. Lee, M.D.'s National Provider Identifier (NPI) is 1124218227, issued on Jul 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Won M. Lee, M.D. located?

The NPPES record lists a practice address at 725 Albany Street, Boston, MA, 02118. Phone: (617) 638-6100. Providers update this record themselves, so call before visiting.

How can I verify Won M. Lee, M.D.'s license?

NPPES lists Massachusetts license number 232483, 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 Won M. Lee, M.D. prescribe under Medicare Part D?

In 2024, Won M. Lee, M.D. had 4,203 Medicare Part D claims for 232 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.