Sean DemarsM.D.
Sean Demars, M.D. is an Otolaryngology provider in Richland, WA affiliated with 1 ambulatory surgery center in WA, as of July 2026.
- NPI1841261492
- Registered2006
- Centers1
- StateWA
- Class of2003
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
Sean Demars at a glance
- Provider
- Sean Demars
- Credential
- M.D.
- Specialty
- Otolaryngology
- Procedures
- Otolaryngology CPT codes
- Location
- Richland, WA
- Medical school graduation
- 2003
- NPI registered
- 2006
- NPI
- 1841261492
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Sean Demars practice?
Sean Demars, M.D. is based in Richland, WA and is affiliated with 1 ambulatory surgery center: Tri City Regional Surgery Center LLC in Richland, WA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Sean Demars's NPI number?
Sean Demars's National Provider Identifier (NPI) is 1841261492, registered in 2006. Specialty on record: Otolaryngology; credential M.D.
How many Otolaryngology providers in Washington work at ambulatory surgery centers?
32 Otolaryngology surgeons and proceduralists in Washington are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Sean Demars among them. The Washington Otolaryngology directory lists each one by city with credential, NPI, and center affiliations.
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