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

Dr. Stephen M Nilsen, DO

Individual provider Anesthesiology Physician · NPI 1972589398

Dr. Stephen M Nilsen, DO is an Anesthesiology in Nottingham, Maryland. Graduated from New York College of Osteo Medicine of New York Institute of Technology in 1994, 32 years ago. Practices with Columbia Outpatient Sedation LLC, a 28-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in District of Columbia and Maryland.

Years since qualifying
32
Trained at
New York College of Osteo Medicine of New York Institute of Technology
Licensed in
DC, MD
In the registry since
2005
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

8100 Sandpiper Cir Ste 210
Nottingham, MD 21236-4992
Phone: (855) 527-7246
Fax: (866) 229-5063
Show map & directions

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

Additional practice locations (1)

  • 28665 Earthlite Rd, Wye Mills, MD 21679-2024 — (410) 827-7188

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence H0058012 (MD)
Anesthesiology Physician Taxonomy 207L00000X · Licence DO33153 (DC)

Record details

NPI number1972589398
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedDecember 17, 2005
Last updated in NPPESJune 24, 2024
Certification dateJune 24, 2024
Mailing address28665 Earthlite Rd, Wye Mills, MD 21679-2024

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolNEW YORK COLLEGE OF OSTEO MEDICINE OF NEW YORK INSTITUTE OF TECHNOLOGY
Graduated 1994 (32 years in practice)
Group practice Columbia Outpatient Sedation Llc — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Nottingham