John Marshall Winckler, D.C., D.A.C.O.
Orthopedic Chiropractor · Corvallis, OR
John Marshall Winckler, D.C., D.A.C.O. is an orthopedic chiropractor with a practice address in Corvallis, Oregon, and NPI 1740585074, issued on Jan 18, 2011. Check the license (Oregon 4065, as entered in NPPES) with the Oregon board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Marshall Winckler
- Credential
- D.C., D.A.C.O.
- Primary taxonomy
- Orthopedic Chiropractor 111NX0800X
- License numbers
- 4065 OR
2002 MN
Self-reported in NPPES; status is on the state search - Practice location
- 999 NW Circle Blvd, Corvallis, OR 97330
- Phone
- (541) 754-2225
- Enumerated
- Jan 18, 2011
- Record last updated
- Jun 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (541) 752-9086
- Medicare enrollment
- Enrolled (PECOS I20110513000498); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - Davenport, 1983
- Entity
- Type 1 · individual
8 nearest orthopedic chiropractor records → All 30 in Oregon → Look up another NPI →
Also registered at 999 NW Circle Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Marshall Winckler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 4065Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Marshall Winckler among 30 orthopedic chiropractor records in Oregon
John Marshall Winckler, D.C., D.A.C.O. is one of 30 orthopedic chiropractor records with a practice address in Oregon. 3% 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 2011, is newer than 87% of them.
- NPI issued2011 · 87% of these records are older, 10% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Record last updated2011 · 80% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111NX0800X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopedic Chiropractor providers in Oregon
There are 30 orthopedic chiropractor records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 30 in Oregon → Every provider in Corvallis → Orthopedic Chiropractor nationwide →
The 8 orthopedic chiropractor records with the nearest ZIP codes
- Frank Heresco, D.C.Corvallis, OR 973301407853914
- Laverne Saboe, D.C.Albany, OR 973221710028782
- Colin Grice, D.C.Albany, OR 973211841429834
- Christopher Gosselin, DCKeizer, OR 973031558971481
- Catherine JaquithSalem, OR 973021295165512
- Charles Hathaway, D.CPortland, OR 972661093896631
- Michael Burke, D.C.Coos Bay, OR 974201578501755
- Lee Cowan, D.C.Gresham, OR 972331114009156
Common questions
What is John Marshall Winckler, D.C., D.A.C.O.'s NPI number?
John Marshall Winckler, D.C., D.A.C.O.'s National Provider Identifier (NPI) is 1740585074, issued on Jan 18, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John Marshall Winckler, D.C., D.A.C.O. located?
The NPPES record lists a practice address at 999 NW Circle Blvd, Corvallis, OR, 97330. Phone: (541) 754-2225. Providers update this record themselves, so call before visiting.
How can I verify John Marshall Winckler, D.C., D.A.C.O.'s license?
NPPES lists Oregon license number 4065, as entered by the provider. Search the Oregon 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.