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

Mark S Smyczynski, MD

Individual provider Radiation Oncology Physician · NPI 1871661603

Mark S Smyczynski, MD is a Radiation Oncology in Worcester, Massachusetts. Qualified in 1982, 44 years ago. Practices with Umass Memorial Medical Group Inc, a 2,467-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
44
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

55 Lake Ave N
Worcester, MA 01655-0002
Phone: (774) 442-5551
Fax: (774) 442-5006
Show map & directions

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

Additional practice locations (1)

  • 275 Nichols Rd, Fitchburg, MA 01420-1919 — (978) 343-5196

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 79962 (MA)

Record details

NPI number1871661603
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 1, 2006
Last updated in NPPESNovember 19, 2020
Certification dateNovember 19, 2020
Mailing addressPo Box 415348, Boston, MA 02241-5348

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Umass Memorial Medical Group Inc — 2467 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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