Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Lauren M. Nentwich, MD

Individual provider Emergency Medicine Physician · NPI 1124299805

Dr. Lauren M. Nentwich, MD is an Emergency Medicine in Boston, Massachusetts. Graduated from Harvard Medical School in 2005, 21 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
21
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 Boston Medical Ctr Pl Dowling 1 S
Boston, MA 02118-2908
Phone: (617) 414-4922
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 237211 (MA)

Record details

NPI number1124299805
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2008
Last updated in NPPESApril 3, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2005 (21 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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