Margaret Macmillan Vernon, M.D.
Pediatric Cardiology Physician · Seattle, WA
Margaret Macmillan Vernon, M.D. is a pediatric cardiology physician with a practice address in Seattle, Washington, and NPI 1144202151, issued on Nov 16, 2005. Check the license (Washington MD00046913, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Margaret Macmillan Vernon
- Credential
- M.D.
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License number
- MD00046913 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4800 Sand Point Way NE, Seattle, WA 98105
- Phone
- (206) 987-2127
- Enumerated
- Nov 16, 2005
- Record last updated
- Apr 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070119000129); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 2000
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 89 in Washington → Look up another NPI →
Also registered at 4800 Sand Point Way NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ilyse Abrams, NPPediatric Nurse Practitioner1730108333
- Evan Abrass, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1598237919
- Seja AbudiabPediatrics Physician1285166173
- Michele Acker, ARNPPediatric Nurse Practitioner1720019094
Verify Margaret Macmillan Vernon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00046913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- The Association OF Chrmc And University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Macmillan Vernon among 89 pediatric cardiology physician records in Washington
Margaret Macmillan Vernon, M.D. is one of 89 pediatric cardiology physician records with a practice address in Washington. 60% 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, 98% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2000 · median 2006 among the 48 with a school on file
- Record last updated2008 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Cardiology Physician providers in Washington
There are 89 pediatric cardiology physician records in Washington.
All 89 in Washington → Every provider in Seattle → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- Terrence ChunSeattle, WA 981051144301409
- Jeffrey Conwell, M.D.Seattle, WA 981051518937978
- Troy JohnstonSeattle, WA 981051134219025
- Thomas JonesSeattle, WA 981051093805988
- Isamu KawaboriSeattle, WA 981051063502953
- Yuk Law, M.D.Seattle, WA 981051104869395
- Mark LewinSeattle, WA 981051689764573
- Tim McQuinn, MDSeattle, WA 981051841308889
Common questions
What is Margaret Macmillan Vernon, M.D.'s NPI number?
Margaret Macmillan Vernon, M.D.'s National Provider Identifier (NPI) is 1144202151, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Macmillan Vernon, M.D. located?
The NPPES record lists a practice address at 4800 Sand Point Way NE, Seattle, WA, 98105. Phone: (206) 987-2127. Providers update this record themselves, so call before visiting.
How can I verify Margaret Macmillan Vernon, M.D.'s license?
NPPES lists Washington license number MD00046913, 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.
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.