Quick answers
- Does Mary Jo A. Laniewski accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Jo A. Laniewski accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Mary Jo A. Laniewski's NPI number?
- 1205918109. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary Jo A. Laniewski works
Medicare's Facility Affiliation Data lists Mary Jo A. Laniewski at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Peace Harbor Medical CenterFlorence, OR · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 381316
- York HospitalYork, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200020
Practice locations
Addresses where Mary Jo A. Laniewski is enrolled with Medicare (CMS data updated October 2, 2026).
- 114 Sanford Rd, Myhealth WellsWells, ME 04090 (207) 646‑5211
- 15 Hospital DrYork, ME 03909 (207) 363‑4321
Group practices
Medicare enrollment lists Mary Jo A. Laniewski as a member of this group (CMS data updated October 2, 2026).
- York Hospital198 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Wells
Clinicians with the same Medicare primary specialty in Wells, ME — not a recommendation.
Other clinicians in York Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205918109 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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