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

Dr. Mark S Loewen, MD

Individual provider Surgery Physician · NPI 1295747319

Dr. Mark S Loewen, MD is a General Surgery in Hyannis, Massachusetts. Graduated from Rush Medical College of Rush University in 2001, 25 years ago. Practices with Medical Affiliates of Cape Cod Inc, a 235-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
25
Trained at
Rush Medical College of Rush University
Licensed in
MA
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.

See every abbreviation used in this directory →

Practice location Address checks out

40 Lewis Bay Rd
Hyannis, MA 02601-5210
Phone: (508) 775-0800
Fax: (508) 771-8565
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 231062 (MA)
Specialist Taxonomy 174400000X · Licence 231062 (MA)

Record details

NPI number1295747319
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 13, 2006
Last updated in NPPESSeptember 23, 2008
Mailing address40 Lewis Bay Rd, Hyannis, MA 02601-5210

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 2001 (25 years in practice)
Group practice Medical Affiliates Of Cape Cod Inc — 235 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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