Sandra Demars, MD
Internal Medicine · Seattle, WA
At a glance
1660 S Columbian Way, Seattle, WA 98108-1532
NPPES record updated Sep 30, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1660 S Columbian WaySeattle, WA 98108-1532
Additional reported practice locations
3100 Tongass AveKetchikan, AK 99901
Phone: 9072255171 834 Sheridan St
Port Townsend, WA 983682443
Phone: 3603852200 1615 Delaware St
Longview, WA 986322367
Phone: 3605013601
Fax: 3604145768 939 Caroline St
Port Angeles, WA 983623997
Phone: 3604177000 2801 Debarr Rd
Anchorage, AK 995082997
Phone: 9072761131 630 N Fairview Dr
Tacoma, WA 984061015
Phone: 2537771423
Fax: 2066738050
Education & affiliations
- Medical / professional school
- Js Weill Medical College, Cornell University
- Graduation year
- 2010
- CMS specialties
- Hospitalist · Internal Medicine
Practice groups
- Hospital Medicine Of Ak Llc
- Jefferson County Public Hospital District No 2
- Olympic Medical Physicians
- Peacehealth
Reported hospital affiliations
- Alaska Regional Hospital Anchorage, AK
- Jefferson Healthcare Port Townsend, WA
- Olympic Medical Center Port Angeles, WA
- Peacehealth Ketchikan Medical Center Ketchikan, AK
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Internal Medicine
- Taxonomy code
- 207R00000X
- Enumeration date
- Apr 4, 2010
- Record updated
- Sep 30, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207R00000X
License reported: 105754 AK
208M00000X
License reported: MD60305685 WA
207R00000X · Primary
License reported: MD60305685 WA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1660 S Columbian WaySeattle, WA 98108-1532
- Phone
- (206) 762-1010
Mailing address
10760 NE BILL POINT DRBAINBRIDGE ISLAND, WA 981105746
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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