NPPES file of Aug 9, 2026

Lauren Michal De Leon, MD

Internal Medicine Physician · Foxborough, MA

Lauren Michal De Leon, MD is an internal medicine physician with a practice address in Foxborough, Massachusetts, and NPI 1205154523, issued on May 11, 2010. Check the license (Massachusetts 290004, 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
1205154523
Name
Lauren Michal De Leon
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
290004 MA
Self-reported in NPPES; status is on the state search
Practice location
22 Patriot PL FL 4, Foxborough, MA 02035
Phone
(508) 718-4050
Enumerated
May 11, 2010
Record last updated
Aug 3, 2026
Fax
(508) 718-4051
Medicaid ID
LD93741 RI
Medicare enrollment
Enrolled (PECOS I20211214000766); accepts Medicare assignment
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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Also registered at 22 Patriot PL FL 4

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

  1. Kimberly Masood, PA-CPhysician Assistant1780930842

Verify Lauren Michal De Leon 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 290004
    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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29% more Medicare Part D claims than the average internal medicine physician in 2024

4,094 Medicare Part D claims for 420 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 54 claims were for opioids.

  1. Lauren De Leon4,094
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium438 claims
  2. Levothyroxine Sodium186 claims
  3. Lisinopril178 claims
  4. Losartan Potassium163 claims
  5. Amlodipine Besylate152 claims
  6. Omeprazole151 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. Brigham And Womens Physicians Organization IncFoxborough, MA

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

7 internal medicine physician records list a practice address in Foxborough

They are 7 of the 155 NPPES records with a practice address in Foxborough, and 6,825 internal medicine physician records in Massachusetts.

Other internal medicine physician records in Massachusetts

  1. Nawal Aamir, MDWorcester, MA1588248926
  2. Nathan Abare, MDSpringfield, MA1386852747
  3. Nooshin Abbasi, MD MPHNewton, MA1831888353
  4. Taimur AbbasiBoston, MA1841673522
  5. Lauren Abbate, MDBoston, MA1922099621
  6. Bassima Abdallah, MDBoston, MA1912327305
  7. Maya Abdallah, MDBoston, MA1861854937
  8. Samah Abdallah, MDBrighton, MA1730814971
  9. Omar Abdel-Wahab, M.D.Boston, MA1023042777
  10. Mohab AbdelhalimBoston, MA1871388496

Common questions

What is Lauren Michal De Leon, MD's NPI number?

Lauren Michal De Leon, MD's National Provider Identifier (NPI) is 1205154523, issued on May 11, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Michal De Leon, MD located?

The NPPES record lists a practice address at 22 Patriot PL FL 4, Foxborough, MA, 02035. Phone: (508) 718-4050. Providers update this record themselves, so call before visiting.

How can I verify Lauren Michal De Leon, MD's license?

NPPES lists Massachusetts license number 290004, 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 Lauren Michal De Leon, MD prescribe under Medicare Part D?

In 2024, Lauren Michal De Leon, MD had 4,094 Medicare Part D claims for 420 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.