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

James P Osmanski II, DO

Individual provider Sleep Medicine (Internal Medicine) Physician · NPI 1235275660

James P Osmanski II, DO is a Sleep Medicine (Internal Medicine) Physician in Newman Lake, Washington. Practices as a sole proprietor and works from 2 locations. Licensed in Montana.

Licensed in
MT
In the registry since
2007
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

10105 N Genevieve Ln
Newman Lake, WA 99025-8506
Phone: (406) 414-4260
Fax: (406) 414-3610
Show map & directions

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

Additional practice locations (1)

  • 937 Highland Blvd Ste 5410, Bozeman, MT 59715-6916 — (406) 414-4260

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence 35230 (MT)

Record details

NPI number1235275660
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJanuary 30, 2007
Last updated in NPPESJuly 26, 2021
Certification dateJuly 26, 2021