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Doctor profile · NPI 1831123249

Dennis J Andersen

Orthopedic Surgery

Practice locations

Training in the source record

Credential
MD
Medical school
University Of Chicago, Pritzker School Of Medicine
Graduation year
1989

Residency, fellowship and board certification are not supplied by this CMS file.

Before you book

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View the NPI Registry record

CMS measures of specific care

These are 2024 results reported for this clinician’s NPI. Each CMS rating describes one measure of care, not patient reviews or an overall doctor grade. The patients, ages and insurance types included depend on the measure and collection method; these are not necessarily Medicare-only or pediatric results. They do not establish performance at a particular current practice.

No individual clinical measures approved by CMS for profile display are available for this doctor in this release. Missing results do not mean poor care. Many clinicians or measures are not publicly reported.

Released 2026-09-10. Only CMS display-approved MIPS and QCDR clinical measures are shown; participation attestations and cost measures are excluded. CMS uses a benchmark drawn from best performers covering at least 10% of the relevant patient population, with an adjustment for small denominators. ModernDoc has not independently validated these ratings. Source data and reported rates · CMS rating methodology · Coverage and reporting limits.

Reported procedure activity

CMS attributes these procedures to this clinician through Original Medicare and Medicare Advantage claims and encounters. Counts span locations and are not unique-patient counts. They do not establish quality, current availability, or that a procedure is offered at any practice listed here. Other insurance populations are not included.

Removal of nail tissue
1–10 procedures · exact count withheld for privacy
Removal of tissue
1–10 procedures · exact count withheld for privacy
Upper limb (arm) arthroscopy (minimally invasive joint repair)
1–10 procedures · exact count withheld for privacy

CMS release 2026-10-15. CMS describes a 12-month observation window with a three-month claims-processing lag; this file does not provide exact start and end dates. Only categories CMS marks for profile display are shown. Source data · How CMS reports procedures.

Patient experience at affiliated groups

No group survey results are linked in this release. Missing information is not a judgment about this doctor’s care.

CMS group survey year 2024 · Released 2026-09-10. View the source data · How CMS reports these measures.

Reconciled from 12 source records. Individual patient reviews and an overall clinical-quality rating are not available.