Steven Donald Knowles, DC
Chiropractor · Orono, ME
Steven Donald Knowles, DC is a chiropractor with a practice address in Orono, Maine, and NPI 1407486608, issued on Jan 16, 2020. Check the license (Maine CR2626, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Steven Donald Knowles
- Credential
- DC
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- CR2626 ME
Self-reported in NPPES; status is on the state search - Practice location
- 15 Forest Ave, Orono, ME 04473
- Phone
- (207) 866-7000
- Enumerated
- Jan 16, 2020
- Record last updated
- Aug 4, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200406001827); accepts Medicare assignment
- Medical or professional school
- New York Chiropractic College, 2019
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 418 in Maine → Look up another NPI →
Also registered at 15 Forest Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen Arsenault, D.C.Chiropractor1619027646
- Celeste Jenks, DCChiropractor1386002624
Verify Steven Donald Knowles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CR2626Check 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
- Orono Chiropractic PAOrono, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Donald Knowles among 418 chiropractor records in Maine
Steven Donald Knowles, DC is one of 418 chiropractor records with a practice address in Maine. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 26% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2019 · median 2005 among the 219 with a school on file
- Record last updated2020 · 74% 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 Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 chiropractor records list a practice address in Orono
They are 3 of the 147 NPPES records with a practice address in Orono, and 418 chiropractor records in Maine.
All 418 in Maine → Every provider in Orono → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Stephen Arsenault, D.C.Orono, ME 044731619027646
- Celeste Jenks, DCOrono, ME 044731386002624
- Antony Angus, DCOld Town, ME 044681821507138
- Jennifer Gavett, D.C.Old Town, ME 044681881745248
- Kayleigh Merrill, DCOld Town, ME 044681356921878
- Lorraine Sarullo, DCOld Town, ME 044681093013575
- Brendan Hurley, DCMillinocket, ME 044621457971384
- Lawrence Lankhorst Jr., D.C.Millinocket, ME 044621306908868
Common questions
What is Steven Donald Knowles, DC's NPI number?
Steven Donald Knowles, DC's National Provider Identifier (NPI) is 1407486608, issued on Jan 16, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Steven Donald Knowles, DC located?
The NPPES record lists a practice address at 15 Forest Ave, Orono, ME, 04473. Phone: (207) 866-7000. Providers update this record themselves, so call before visiting.
How can I verify Steven Donald Knowles, DC's license?
NPPES lists Maine license number CR2626, as entered by the provider. Search the Maine 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.