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

Dr. Sean Michael Demars, MD

Individual provider Otolaryngology Physician · NPI 1841261492

Dr. Sean Michael Demars, MD is an Otolaryngology in Richland, Washington. Qualified in 2003, 23 years ago. Practices with Kadlec Regional Medical Center, a 396-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Montana and Washington.

Years since qualifying
23
Licensed in
MT, WA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

780 Swift Blvd Ste 301
Richland, WA 99352-3524
Phone: (599) 942-3178
Fax: (509) 946-1735
Show map & directions

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

Additional practice locations (1)

  • 2900 12th Ave N., Billings, MT 59101-7590 — (406) 238-6161

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence MD61139453 (WA)
Otolaryngology Physician Taxonomy 207Y00000X · Licence AP30007073 (WA)
Otolaryngology Physician Taxonomy 207Y00000X · Licence MED-PHYS-LIC-18285 (MT)

Record details

NPI number1841261492
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 31, 2006
Last updated in NPPESNovember 11, 2021
Certification dateNovember 11, 2021
Mailing address550 Gage Blvd Ste 101, Richland, WA 99352-9532

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Kadlec Regional Medical Center — 396 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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