Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Anders Mark Knutzen, MD

Individual provider Diagnostic Radiology Physician · NPI 1912985037

Anders Mark Knutzen, MD practises Diagnostic Radiology in Boston, Massachusetts. Graduated from Harvard Medical School in 1990, 36 years ago. Practices with Mass General Brigham Community Physicians Inc, a 422-clinician group and accepts Medicare assignment. Licensed in Massachusetts and Minnesota.

Years since qualifying
36
Trained at
Harvard Medical School
Licensed in
MA, MN
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.

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Practice location Address checks out

55 Fruit St
Boston, MA 02114-2621
Phone: (617) 724-0288
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Body Imaging Physician (primary) Taxonomy 2085B0100X · Licence 291560 (MA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 34477 (MN)

Record details

NPI number1912985037
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 9, 2006
Last updated in NPPESApril 21, 2022
Certification dateApril 21, 2022

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1990 (36 years in practice)
Group practice Mass General Brigham Community Physicians Inc — 422 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations10 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients3,702
Services billed 4,275 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Mass General Brigham Community Physicians Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 422 clinicians in the practice; 12 are shown here.

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