Ryan George Maize
Chiropractor · Gresham, OR
Ryan George Maize is a chiropractor with a practice address in Gresham, Oregon, and NPI 1518678879, issued on Dec 7, 2022. Check the license (Oregon 6263, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan George Maize
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 6263 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2850 SE Powell Valley RD Ste 205, Gresham, OR 97080
- Phone
- (503) 489-1975
- Enumerated
- Dec 7, 2022
- Record last updated
- Dec 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20230105002907); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 1,881 in Oregon → Look up another NPI →
Also registered at 2850 SE Powell Valley RD Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalia Mfundshi, LMTMassage Therapist1861365132
Verify Ryan George Maize in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 6263Check 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
- Valleyview Injury And Physical Medicine PCGresham, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan George Maize among 1,881 chiropractor records in Oregon
Ryan George Maize is one of 1,881 chiropractor records with a practice address in Oregon. 18% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 88% of them.
- NPI issued2022 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 18% of these records are
- In the CMS Doctors and Clinicians fileYes · 34% of these records are
- Graduated2022 · median 2008 among the 638 with a school on file
- Record last updated2022 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 chiropractor records list a practice address in Gresham
They are 51 of the 1,934 NPPES records with a practice address in Gresham, and 1,881 chiropractor records in Oregon.
All 1,881 in Oregon → Every provider in Gresham → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Kelly Kalk, D.C.Gresham, OR 970801043588551
- Ruslan PeredereyGresham, OR 970801720502180
- Sarah Bain, D.C.Aloha, OR 970781235679606
- Robert Rathbone, DCAloha, OR 970781467478198
- Cortney Short, DCAloha, OR 970781124533013
- Sierra Ambrose-Delapp, DCHappy Valley, OR 970861295385672
- Daniel Charlat, DCHappy Valley, OR 970861407518293
- Kelly Coogan, DCHappy Valley, OR 970861194820951
Common questions
What is Ryan George Maize's NPI number?
Ryan George Maize's National Provider Identifier (NPI) is 1518678879, issued on Dec 7, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ryan George Maize located?
The NPPES record lists a practice address at 2850 SE Powell Valley RD Ste 205, Gresham, OR, 97080. Phone: (503) 489-1975. Providers update this record themselves, so call before visiting.
How can I verify Ryan George Maize's license?
NPPES lists Oregon license number 6263, 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. 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.