Sandra Demars, MD
Internal Medicine Physician · Seattle, WA
Sandra Demars, MD is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1811212749, issued on Apr 4, 2010. Check the license (Washington MD60305685, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Sandra Demars
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD60305685 WA
105754 AK
Self-reported in NPPES; status is on the state search - Practice location
- 1660 S Columbian Way, Seattle, WA 98108
- Phone
- (206) 762-1010
- Enumerated
- Apr 4, 2010
- Record last updated
- Sep 30, 2024
- Medicare enrollment
- Enrolled (PECOS I20190125002713); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 2010
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 1660 S Columbian Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abubakar Abdul-Rahman, NPPrimary Care Nurse Practitioner1689939001
- Sandra Abrahamson, ARNPAdult Health Nurse Practitioner1699735712
- McKenon Abreu, DPMStudent in an Organized Health Care Education/Training Program1104519461
- Jennifer Acselrod, RNRegistered Nurse1770753725
- Samantha Adams, OTR/LOccupational Therapist1750489704
- Rosemary Adamson, MB BSPulmonary Disease Physician1881853745
Verify Sandra Demars in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60305685Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
299 Medicare Part D claims for 67 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate22 claims
- Metoprolol Succinate17 claims
- Torsemide13 claims
- Carvedilol12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 81 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 5 group practices
- Fandm Healthcare, LLCTacoma, WA
- Hospital Medicine OF AK LLCAnchorage, AK
- Jefferson County Public Hospital District NO 2Port Townsend, WA
- Olympic Medical PhysiciansPort Angeles, WA
- PeacehealthKetchikan, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sandra Demars among 3,079 internal medicine physician records in Washington
Sandra Demars, MD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 62% of them.
- NPI issued2010 · 62% of these records are older, 35% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2010 · median 2006 among the 1,852 with a school on file
- Record last updated2024 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
821 internal medicine physician records list a practice address in Seattle
They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Douglas Berger, MDSeattle, WA 981081295748762
- Edward Boyko, M.D.Seattle, WA 981081831295401
- Paul Cornia, M.D.Seattle, WA 981081730291782
- Danielle Frank, M.D.Seattle, WA 981081518063213
- Sharon Gill, MDSeattle, WA 981081306956834
- Jan Hirschmann, MDSeattle, WA 981081770692402
- Kamala Jain, MDSeattle, WA 981081770680886
- Mehraneh Khalighi, MDSeattle, WA 981081710089693
Common questions
What is Sandra Demars, MD's NPI number?
Sandra Demars, MD's National Provider Identifier (NPI) is 1811212749, issued on Apr 4, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Sandra Demars, MD located?
The NPPES record lists a practice address at 1660 S Columbian Way, Seattle, WA, 98108. Phone: (206) 762-1010. Providers update this record themselves, so call before visiting.
How can I verify Sandra Demars, MD's license?
NPPES lists Washington license number MD60305685, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sandra Demars, MD prescribe under Medicare Part D?
In 2024, Sandra Demars, MD had 299 Medicare Part D claims for 67 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Sandra Demars, MD's MIPS final score?
The 2023 MIPS final score is 81 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.