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

Mr. Michael William Kalfopoulos, MD

Individual provider Internal Medicine Physician · NPI 1235634320

Mr. Michael William Kalfopoulos, MD is an Internal Medicine in Worcester, Massachusetts. Graduated from University of Massachusetts Medical School in 2018, 8 years ago. Practices with Umass Memorial Medical Group Inc, a 2,467-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
8
Trained at
University of Massachusetts Medical School
Licensed in
MA
In the registry since
2018
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

119 Belmont St
Worcester, MA 01605-2903
Phone: (508) 334-8515
Fax: (508) 334-6490
Show map & directions

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

Additional practice locations (2)

  • 157 Union St, Marlborough, MA 01752-1228 — (508) 486-5678
  • 55 Lake Ave N, Worcester, MA 01655-0002 — (083) 348-5155

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 288033 (MA)

Record details

NPI number1235634320
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2018
Last updated in NPPESSeptember 2, 2022
Certification dateSeptember 2, 2022
Mailing addressPo Box 415348, Boston, MA 02241-5348

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 2018 (8 years in practice)
Group practice Umass Memorial Medical Group Inc — 2467 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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