Mari M. O'Neill, PT
Physical Medicine & Rehabilitation Physician · Seattle, WA
Mari M. O'Neill, PT is a physical medicine & rehabilitation physician with a practice address in Seattle, Washington, and NPI 1366524977, issued on Oct 20, 2006. Check the license (Washington PT00008371, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mari M. O'Neill
- Credential
- PT
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- PT00008371 WA
Self-reported in NPPES; status is on the state search - Practice location
- 9518 Roosevelt Way NE, Seattle, WA 98115
- Phone
- (206) 524-1058
- Enumerated
- Oct 20, 2006
- Record last updated
- Jul 24, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (206) 524-1059
- Entity
- Type 1 · individual
Also registered at 9518 Roosevelt Way NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Grote, PTPhysical Therapist1730129057
- Randi Sundby, MSPTPhysical Therapist1043386493
Verify Mari M. O'Neill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license PT00008371Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Physical Medicine & Rehabilitation Physician providers in Washington
There are 462 physical medicine & rehabilitation physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other physical medicine & rehabilitation physician records in Washington
- James Abe, MDKirkland, WA1154827962
- Demitri Adarmes, M.D.Olympia, WA1811017759
- Brandi Adaszewski, PTASpokane, WA1902525280
- Ovuokerie Addoh, MBBS, PHDSeattle, WA1306409701
- Chana Albracht, PT, MPTMorton, WA1881351351
- Contessa Allen, PTAUnion Gap, WA1598149551
- Paul Allen, M.D.Wenatchee, WA1093065575
- Deborah Amos, MDAnacortes, WA1588732960
- William Anderson, M.D.Renton, WA1982674768
- Erin Andrade, M.D.Wenatchee, WA1003250499
Common questions
What is Mari M. O'Neill, PT's NPI number?
Mari M. O'Neill, PT's National Provider Identifier (NPI) is 1366524977, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mari M. O'Neill, PT located?
The NPPES record lists a practice address at 9518 Roosevelt Way NE, Seattle, WA, 98115. Phone: (206) 524-1058. Providers update this record themselves, so call before visiting.
How can I verify Mari M. O'Neill, PT's license?
NPPES lists Washington license number PT00008371, 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. 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.