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

Mr. Bruce Gardner Karlin, MD

Individual provider Internal Medicine Physician · NPI 1245311166

Mr. Bruce Gardner Karlin, MD is an Internal Medicine in Worcester, Massachusetts. Graduated from University of Massachusetts Medical School in 1976, 50 years ago. Practices with Saint Vincent Physician Services Inc, a 72-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
50
Trained at
University of Massachusetts Medical School
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

108 Grove St
Worcester, MA 01605-2651
Phone: (508) 453-1005
Fax: (508) 749-0295
Show map & directions

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

Additional practice locations (1)

  • 200 Lincoln Street, Worcester, MA 01605 — (508) 755-1222

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 43792 (MA)

Record details

NPI number1245311166
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 18, 2006
Last updated in NPPESApril 16, 2018
Mailing address200 Lincoln Street, Suite 3, Worcester, MA 01605

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 1976 (50 years in practice)
Group practice Saint Vincent Physician Services Inc — 72 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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