Mohamed Alassas, MD
Surgical Oncology Physician · Seattle, WA
Mohamed Alassas, MD is a surgical oncology physician with a practice address in Seattle, Washington, and NPI 1871609933, issued on Aug 22, 2006. Check the license (Washington MD60693493, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mohamed Alassas
- Credential
- MD
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- MD60693493 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Madison St Ste 1401, Seattle, WA 98104
- Phone
- (206) 386-6700
- Enumerated
- Aug 22, 2006
- Record last updated
- Jul 17, 2026
- Fax
- (206) 386-6706
- Medicaid ID
- 2072083 WA
- Medicare enrollment
- Enrolled (PECOS I20170110002072); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1221 Madison St Ste 1401
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Colin Rog, MDSurgical Oncology Physician1689170243
Verify Mohamed Alassas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60693493Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average surgical oncology physician in 2024
38 Medicare Part D claims for 14 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D.
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 MIPS final score for 2023 (Medicare payment program): 83.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Swedish Health ServicesSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Surgical Oncology Physician providers in Washington
There are 35 surgical oncology physician records in Washington.
Other surgical oncology physician records in Washington
- Benjamin AndersonSeattle, WA1942367487
- Tommy Brown, M.D.Fife, WA1144291782
- David Byrd, MDSeattle, WA1760529432
- Kristine CalhounSeattle, WA1336224138
- Christopher Childers, M.D.Seattle, WA1558789149
- Meghan Flanagan, MDSeattle, WA1962726521
- Andrew Francis, M.D.Spokane, WA1922535509
- Ryan Holbrook, M.D.Spokane, WA1801885520
- Walter Holder, M.D.Seattle, WA1073580536
- Katherine JacksonSeattle, WA1679952436
Common questions
What is Mohamed Alassas, MD's NPI number?
Mohamed Alassas, MD's National Provider Identifier (NPI) is 1871609933, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mohamed Alassas, MD located?
The NPPES record lists a practice address at 1221 Madison St Ste 1401, Seattle, WA, 98104. Phone: (206) 386-6700. Providers update this record themselves, so call before visiting.
How can I verify Mohamed Alassas, MD's license?
NPPES lists Washington license number MD60693493, 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 Mohamed Alassas, MD prescribe under Medicare Part D?
In 2024, Mohamed Alassas, MD had 38 Medicare Part D claims for 14 beneficiaries; the average among surgical oncology physician prescribers was 87. Part D covers Medicare prescriptions only.
What is Mohamed Alassas, MD's MIPS final score?
The 2023 MIPS final score is 83.8 of 100. 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.