James Osmanski, DO
NPI 1235275660 · Sleep Medicine (Internal Medicine) Physician · Newman Lake, WA
Enrolled with Medicare as Practitioner - Sleep Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Osmanski, DO is a Sleep Medicine (Internal Medicine) Physician provider in Newman Lake, WA (NPI 1235275660).
Provider details
- NPI number
- 1235275660
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35230 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 937 Highland Blvd Ste 5410Bozeman, MT 59715-6916Phone: (406) 414-4260
Registry dates
- Enumerated
- 2007-01-30
- Last updated
- 2021-07-26
- Certified
- 2021-07-26
Frequently asked questions
- What is James Osmanski's NPI number?
- James Osmanski's National Provider Identifier (NPI) is 1235275660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Osmanski's specialty?
- James Osmanski is listed in the NPPES registry with a primary specialty of Sleep Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is James Osmanski located?
- James Osmanski's practice location on file with NPPES is 10105 N Genevieve Ln, Newman Lake, WA 99025-8506.
- What is James Osmanski's phone number?
- The practice phone number listed in the NPPES registry for James Osmanski is (406) 414-4260.
- Does James Osmanski accept Medicare?
- James Osmanski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Osmanski's NPI active?
- Yes — James Osmanski's NPI (1235275660) is active in the NPPES registry as of the last update on 2021-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.