Lauren M. Nentwich, MD
Emergency Medicine Physician · Boston, MA
Lauren M. Nentwich, MD is an emergency medicine physician with a practice address in Boston, Massachusetts, and NPI 1124299805, issued on Mar 20, 2008. Check the license (Massachusetts 237211, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Lauren M. Nentwich
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 237211 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Boston Medical Ctr PL, Boston, MA 02118
- Phone
- (617) 414-4922
- Enumerated
- Mar 20, 2008
- Record last updated
- Apr 3, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 110081767A MA
- Medicare enrollment
- Enrolled (PECOS I20090304000309); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2005
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 1 Boston Medical Ctr PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Achu-Lopes, M.D.Anesthesiology Physician1417376872
- Sapana Adhikari, M.D.Emergency Medicine Physician1902870694
- Tara AdyanthayaMental Health Counselor1053998419
- Shuchi AgarwalStudent in an Organized Health Care Education/Training Program1063701753
- Christina AgudeloStudent in an Organized Health Care Education/Training Program1699423772
- Priscilla AguilarStudent in an Organized Health Care Education/Training Program1033838792
Verify Lauren M. Nentwich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 237211Check 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 2 group practices
- Brigham And Womens Physicians Organization IncBoston, MA
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lauren M. Nentwich among 1,829 emergency medicine physician records in Massachusetts
Lauren M. Nentwich, MD is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% 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 49% of them.
- NPI issued2008 · 49% of these records are older, 47% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2005 · median 2011 among the 1,200 with a school on file
- Record last updated2015 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
543 emergency medicine physician records list a practice address in Boston
They are 543 of the 41,865 NPPES records with a practice address in Boston, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Boston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Evan Berg, MDBoston, MA 021181982692596
- Edward Bernstein, MDBoston, MA 021181568434926
- Andreas Dewitz, MDBoston, MA 021181740267434
- Kathryn Dyer, MDBoston, MA 021181851363048
- James Feldman, MDBoston, MA 021181801868682
- Jerrilyn Jones, MDBoston, MA 021181467435396
- Joseph Kahn, M.D.Boston, MA 021181144293572
- Ricky Kue, M.D., M.P.H.Boston, MA 021181134102395
Common questions
What is Lauren M. Nentwich, MD's NPI number?
Lauren M. Nentwich, MD's National Provider Identifier (NPI) is 1124299805, issued on Mar 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Lauren M. Nentwich, MD located?
The NPPES record lists a practice address at 1 Boston Medical Ctr PL, Boston, MA, 02118. Phone: (617) 414-4922. Providers update this record themselves, so call before visiting.
How can I verify Lauren M. Nentwich, MD's license?
NPPES lists Massachusetts license number 237211, 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.