Mary-Elizabeth Muchmore Percival, M.D.
Hematology (Internal Medicine) Physician · Seattle, WA
Mary-Elizabeth Muchmore Percival, M.D. is a hematology (internal medicine) physician with a practice address in Seattle, Washington, and NPI 1225278955, issued on Feb 20, 2009. Check the license (Washington MD.MD.60591746, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mary-Elizabeth Muchmore Percival
- Credential
- M.D.
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License numbers
- MD.MD.60591746 WA
A106581 CA
Self-reported in NPPES; status is on the state search - Practice location
- 825 Eastlake Ave E, Seattle, WA 98109
- Phone
- (206) 598-6190
- Enumerated
- Feb 20, 2009
- Record last updated
- Oct 29, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150930001386); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 34 in Washington → Look up another NPI →
Also registered at 825 Eastlake Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Farnoush Abar, M.D.Hematology & Oncology Physician1558560342
- Francis Achacoso, MBA, MSN, RN, NE-BCRegistered Nurse1215604061
- Bamidele Adebayo, MDNeurological Surgery Physician1255176194
- Oyebimpe Adesina, MDHematology & Oncology Physician1184934770
- Shirali AgarwalHematology & Oncology Physician1972093052
- Ali AlgiraigriSpecialist1467880260
Verify Mary-Elizabeth Muchmore Percival in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD.MD.60591746Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
50 Medicare Part D claims for 17 beneficiaries, against an average of 496 among the 1,036 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): 93.1 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
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary-Elizabeth Muchmore Percival among 34 hematology (internal medicine) physician records in Washington
Mary-Elizabeth Muchmore Percival, M.D. is one of 34 hematology (internal medicine) physician records with a practice address in Washington. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 65% of them.
- NPI issued2009 · 65% of these records are older, 24% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2007 · median 1997 among the 21 with a school on file
- Record last updated2015 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Washington
There are 34 hematology (internal medicine) physician records in Washington.
All 34 in Washington → Every provider in Seattle → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Pamela Becker, MD, PHDSeattle, WA 981091861578668
- David Garcia, MDSeattle, WA 981091649286345
- Terry Gernsheimer, MDSeattle, WA 981091639255441
- Paul Hendrie, M.D. PH.D.Seattle, WA 981091144263948
- Sioban Keel, MDSeattle, WA 981091952401143
- Elizabeth Krakow, M.D.,C.M.Seattle, WA 981091447581517
- Dian-Kun Li, M.D.Seattle, WA 981091174762223
- Michael LinenbergerSeattle, WA 981091710063516
Common questions
What is Mary-Elizabeth Muchmore Percival, M.D.'s NPI number?
Mary-Elizabeth Muchmore Percival, M.D.'s National Provider Identifier (NPI) is 1225278955, issued on Feb 20, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mary-Elizabeth Muchmore Percival, M.D. located?
The NPPES record lists a practice address at 825 Eastlake Ave E, Seattle, WA, 98109. Phone: (206) 598-6190. Providers update this record themselves, so call before visiting.
How can I verify Mary-Elizabeth Muchmore Percival, M.D.'s license?
NPPES lists Washington license number MD.MD.60591746, 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 Mary-Elizabeth Muchmore Percival, M.D. prescribe under Medicare Part D?
In 2024, Mary-Elizabeth Muchmore Percival, M.D. had 50 Medicare Part D claims for 17 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
What is Mary-Elizabeth Muchmore Percival, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.1 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.