Quick answers
- Where does Peter J. Knowles see patients?
- Medicare's clinician data lists 3 practice locations, including Princeton, ME, Eastport, ME and Calais, ME. Call before your visit to confirm the address.
- What is Peter J. Knowles's specialty?
- Medicare lists Chiropractic as the primary specialty.
- Does Peter J. Knowles accept Medicare assignment?
- Yes. Medicare's clinician data says Peter J. Knowles accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Peter J. Knowles?
- (207) 796-5503, as listed in official Medicare / NPI Registry data.
- What is Peter J. Knowles's NPI number?
- 1992847180. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Peter J. Knowles is enrolled with Medicare (CMS data updated 2026-10-02).
- 136 Mill StPrinceton, ME 04668 (207) 796‑5503
- 30 Boynton StEastport, ME 04631
- 5 Lowell St, Suite 4Calais, ME 04619 (207) 796‑5503
Group practices
Medicare enrollment lists Peter J. Knowles as a member of these groups (CMS data updated 2026-10-02).
- St Croix Regional Family Health Center21 clinicians in the group
- Eastport Health Care, Inc12 clinicians in the group
Specialties
- Chiropracticprimary
Other chiropractors in Maine
Clinicians with the same Medicare primary specialty in Maine — not a recommendation.
Clinician information
| Graduation year | 1981 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992847180 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians