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
8 nearest surgical oncology physician records → All 35 in Washington → Look up another NPI →
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).
Mohamed Alassas among 35 surgical oncology physician records in Washington
Mohamed Alassas, MD is one of 35 surgical oncology physician records with a practice address in Washington. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 57% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1996 · median 2009 among the 27 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in Washington
There are 35 surgical oncology physician records in Washington.
All 35 in Washington → Every provider in Seattle → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Laura Lazarus, MDSeattle, WA 981041598792590
- Evan Ong, M.D.Seattle, WA 981041073541959
- Colin Rog, MDSeattle, WA 981041689170243
- Flavio Rocha, MDSeattle, WA 981011609938778
- Peter Wu, M.D.Seattle, WA 981081134239981
- Benjamin AndersonSeattle, WA 981091942367487
- Meghan Flanagan, MDSeattle, WA 981091962726521
- Walter Holder, M.D.Seattle, WA 981221073580536
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.