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

Derik Neilson, DO

Individual provider Anesthesiology Physician · NPI 1508362518

Derik Neilson, DO is an Anesthesiology in Great Falls, Montana. Graduated from Lincoln Memorial University Medical Department in 2018, 8 years ago. Practices with Benefis Hospitals Inc, a 398-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
8
Trained at
Lincoln Memorial University Medical Department
Licensed in
MT
In the registry since
2018
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

1101 26th St S
Great Falls, MT 59405-5161
Phone: (406) 731-8888
Fax: (406) 731-8318
Show map & directions

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

Additional practice locations (3)

  • 1 Childrens Way, Little Rock, AR 72202-3500 — (501) 364-1100
  • 4301 W Markham St # 515, Little Rock, AR 72205-7101 — (501) 686-6114
  • 29578 Morning View Ln, Bigfork, MT 59911-5816 — (406) 250-1881

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 110697 (MT)

Record details

NPI number1508362518
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMarch 30, 2018
Last updated in NPPESApril 8, 2024
Certification dateApril 8, 2024
Mailing address29578 Morning View Ln, Bigfork, MT 59911-5816

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolLINCOLN MEMORIAL UNIVERSITY MEDICAL DEPARTMENT
Graduated 2018 (8 years in practice)
Group practice Benefis Hospitals Inc — 398 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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