Doctor profile · NPI 1972589398
Stephen Nilsen
Anesthesiology
Practice locations
- Columbia Outpatient Sedation Llc1419 Forest Dr Suite 105, Annapolis, MD 21403Call 4102906677
- Columbia Outpatient Sedation LlcCall 3015708671
- Clearway Anesthesia Services Ne Llc4660 Wilkens Ave Suite 208, Baltimore, MD 21229Call 8555277246
- Clearway Anesthesia Services Ne LlcCall 8555277246
- Columbia Outpatient Sedation Llc7120 Minstrel Way Suite 100, Columbia, MD 21045Call 4102906677
- Clearway Anesthesia Services Ne Llc810 Bestgate Rd Suite 120, Annapolis, MD 21401Call 8555277246
- Anesthesia Connections-Virginia, Llc8171 Maple Lawn Blvd Suite 100, Fulton, MD 20759Call 4105317557
- Anesthesia Connections-Virginia, Llc844 Washington Rd , Westminster, MD 21157Call 4108762003
Training in the source record
- Credential
- MD
- Medical school
- New York College Of Osteo Medicine Of New York Institute Of Technology
- Graduation year
- 1994
Residency, fellowship and board certification are not supplied by this CMS file.
Before you book
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View the NPI Registry recordCMS 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.
No procedure activity is available for display in this release. This does not mean this doctor has no experience.
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 8 source records. Individual patient reviews and an overall clinical-quality rating are not available.