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

Jeffrey C Bass, MD

Individual provider Internal Medicine Physician · NPI 1952350969

Jeffrey C Bass, MD is an Internal Medicine in Chestnut Hill, Massachusetts. Graduated from Perelman School of Med at the University of Pennsylvania in 1982, 44 years ago. Practices with Personalmds, LLC, a 10-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
44
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
MA
In the registry since
2006
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

25 Boylston St Unit 312
Chestnut Hill, MA 02467-1715
Phone: (617) 307-3200
Fax: (617) 307-3201
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 53774 (MA)

Record details

NPI number1952350969
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 8, 2006
Last updated in NPPESJune 5, 2009

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1982 (44 years in practice)
Group practice Personalmds, Llc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Chestnut Hill