Mary Margaret Winter, OT
Occupational Therapist · Longview, WA
Mary Margaret Winter, OT is an occupational therapist with a practice address in Longview, Washington, and NPI 1528699600, issued on Jan 28, 2020. Check the license (Washington OT61033253, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Margaret Winter
- Credential
- OT
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- OT61033253 WA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Triangle Center #270, Longview, WA 98632
- Phone
- (360) 501-3750
- Enumerated
- Jan 28, 2020
- Record last updated
- Nov 14, 2025
- Fax
- (360) 501-3755
- Medicare enrollment
- Enrolled (PECOS I20251107004459); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 3,083 in Washington → Look up another NPI →
Also registered at 200 Triangle Center #270
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karyn Banke, OTR/LOccupational Therapist1831724152
- Rachel Corey, DPTPhysical Therapist1871725564
- Sara Macfadden, DPTPhysical Therapist1366255929
- Megan Schwengler, DPTPhysical Therapist1790251932
- Maxwell WilsonOccupational Therapist1417819848
Verify Mary Margaret Winter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license OT61033253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary Margaret Winter among 3,083 occupational therapist records in Washington
Mary Margaret Winter, OT is one of 3,083 occupational therapist records with a practice address in Washington. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2020, is newer than 71% of them.
- NPI issued2020 · 71% of these records are older, 24% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 10% of these records are
- Graduated2019 · median 2017 among the 320 with a school on file
- Record last updated2025 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 occupational therapist records list a practice address in Longview
They are 28 of the 1,933 NPPES records with a practice address in Longview, and 3,083 occupational therapist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,083 in Washington → Every provider in Longview → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Dawn Belding-Wilson, MOT, OTR/LLongview, WA 986321689952194
- Christine Daly, OTLongview, WA 986321780822874
- Lindsay Gutting, OTR/LLongview, WA 986321427406164
- Lydia KeenLongview, WA 986321518217306
- Lorraine Little, OTR/LLongview, WA 986321467701623
- Michelle Merzoian, MOTR/LLongview, WA 986321326138454
- Jeannie Poole, O.T.Longview, WA 986321144430398
- Vicky Starnes, OTLongview, WA 986321841286846
Common questions
What is Mary Margaret Winter, OT's NPI number?
Mary Margaret Winter, OT's National Provider Identifier (NPI) is 1528699600, issued on Jan 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mary Margaret Winter, OT located?
The NPPES record lists a practice address at 200 Triangle Center #270, Longview, WA, 98632. Phone: (360) 501-3750. Providers update this record themselves, so call before visiting.
How can I verify Mary Margaret Winter, OT's license?
NPPES lists Washington license number OT61033253, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
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.