Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Karen Wiedemann Eldin, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1043266901

Karen Wiedemann Eldin, MD is a Pathology in Boston, Massachusetts. Graduated from Baylor College of Medicine in 2001, 25 years ago. Practices with Mass General Brigham Community Physicians Inc, a 422-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Massachusetts and Texas.

Years since qualifying
25
Trained at
Baylor College of Medicine
Licensed in
MA, TX
In the registry since
2006
Specialties on file
2
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

75 Francis St
Boston, MA 02115-6110
Phone: (617) 732-5500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 55 Fruit St, Boston, MA 02114-2696 — (617) 643-0800
  • 1153 Centre St, Jamaica Plain, MA 02130-3446 — (617) 983-7000
  • 2014 Washington St, Newton, MA 02462-1607 — (617) 243-6140
  • 81 Highland Ave, Salem, MA 01970-2714 — (978) 354-3600

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 293660 (MA)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence M1085 (TX)

Record details

NPI number1043266901
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 25, 2006
Last updated in NPPESJuly 27, 2026
Certification dateJuly 27, 2026

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Mass General Brigham Community Physicians Inc — 422 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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