Michaela L. Tsai, MD
Hematology & Oncology Physician · Seattle, WA
Michaela L. Tsai, MD is a hematology & oncology physician with a practice address in Seattle, Washington, and NPI 1801872502, issued on Dec 15, 2005. Check the license (Washington MD61182267, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Michaela L. Tsai
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD61182267 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Madison St, Seattle, WA 98104
- Phone
- (206) 386-2323
- Enumerated
- Dec 15, 2005
- Record last updated
- Jan 17, 2022
- Fax
- (206) 215-6165
- Medicaid ID
- 1801872502 WA
- Medicare enrollment
- Enrolled (PECOS I20211026001519); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 476 in Washington → Look up another NPI →
Also registered at 1221 Madison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sherry Mae AnchetaGenetic Counselor (M.S.)1588040018
- John Beatty, MDSurgery Physician1306909155
- Sandra Benitez Kruidenier, PA-CPhysician Assistant1255874079
- Richard Bensinger, M.D.Ophthalmology Physician1184666844
- Dale Bloomquist, DDSOral and Maxillofacial Surgery (Dentist)1740348705
- Martha Clay, ARNPAdult Health Nurse Practitioner1073697793
Verify Michaela L. Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61182267Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
788 Medicare Part D claims for 194 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Anastrozole188 claims
- Tamoxifen Citrate175 claims
- Letrozole142 claims
- Exemestane30 claims
- Calquence25 claims
- Gabapentin24 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 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).
Michaela L. Tsai among 476 hematology & oncology physician records in Washington
Michaela L. Tsai, MD is one of 476 hematology & oncology physician records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1995 · median 2006 among the 294 with a school on file
- Record last updated2022 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Washington
There are 476 hematology & oncology physician records in Washington.
All 476 in Washington → Every provider in Seattle → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Sharmila Ahmed, MDSeattle, WA 981041073512141
- Atis Barzdins, M.D.Seattle, WA 981041275640179
- Antonio Bedalov, MDSeattle, WA 981041407844467
- Virginia BroudySeattle, WA 981041194801811
- James Bryan, MDSeattle, WA 981041467440446
- Daniel Burns, MDSeattle, WA 981041689630063
- Cynthia Chua, MDSeattle, WA 981041700879582
- Sheldon Goldberg, MDSeattle, WA 981041649266321
Common questions
What is Michaela L. Tsai, MD's NPI number?
Michaela L. Tsai, MD's National Provider Identifier (NPI) is 1801872502, issued on Dec 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michaela L. Tsai, MD located?
The NPPES record lists a practice address at 1221 Madison St, Seattle, WA, 98104. Phone: (206) 386-2323. Providers update this record themselves, so call before visiting.
How can I verify Michaela L. Tsai, MD's license?
NPPES lists Washington license number MD61182267, 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 Michaela L. Tsai, MD prescribe under Medicare Part D?
In 2024, Michaela L. Tsai, MD had 788 Medicare Part D claims for 194 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Michaela L. Tsai, 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.