Julie Lemaire Rein, M.D.
Internal Medicine Physician · Weston, MA
Julie Lemaire Rein, M.D. is an internal medicine physician with a practice address in Weston, Massachusetts, and NPI 1811030216, issued on Feb 15, 2007. Check the license (Massachusetts 213814, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Julie Lemaire Rein
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 213814 MA
Self-reported in NPPES; status is on the state search - Practice location
- Newton-Wellesely Primary Care, Weston, MA 02493
- Phone
- (781) 642-8877
- Enumerated
- Feb 15, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040419001534); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Verify Julie Lemaire Rein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 213814Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Mass General Brigham Medical Group Suburban Massachusetts IncNewton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julie Lemaire Rein among 6,825 internal medicine physician records in Massachusetts
Julie Lemaire Rein, 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1999 · median 2004 among the 4,103 with a school on file
- Record last updated2007 · 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).
9 internal medicine physician records list a practice address in Weston
They are 9 of the 339 NPPES records with a practice address in Weston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Weston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ajay Anand, M.DWeston, MA 024931538237813
- David Chin, M.D.Weston, MA 024931962546655
- Saul Cohen, M.D.Weston, MA 024931275572950
- Timothy Murphy, MDWeston, MA 024931780681312
- Janine Pardo, M.D.Weston, MA 024931093987471
- Dianne Parrotte, M.D.Weston, MA 024931467595942
- Waseema Sheikh, M.D. & M.P.HWeston, MA 024931427238443
- Kate Tye, PA-CWeston, MA 024931780991257
Common questions
What is Julie Lemaire Rein, M.D.'s NPI number?
Julie Lemaire Rein, M.D.'s National Provider Identifier (NPI) is 1811030216, issued on Feb 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Julie Lemaire Rein, M.D. located?
The NPPES record lists a practice address at Newton-Wellesely Primary Care, Weston, MA, 02493. Phone: (781) 642-8877. Providers update this record themselves, so call before visiting.
How can I verify Julie Lemaire Rein, M.D.'s license?
NPPES lists Massachusetts license number 213814, 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.
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.