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Hematology/Oncology

John P. Winters Iii, MD

Works at hospitals in Farmington, ME · Portland, ME · Bangor, ME … · Maine, New Hampshire

Summary

John P. Winters Iii, MD (Hematology/Oncology) is listed by Medicare at 5 hospitals in Farmington, ME, Portland, ME and Bangor, ME and other places. NPI 1366648693. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John P. Winters Iii, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
20Years since medical school (graduated 2006)
University Of Oklahoma College Of MedicineMedical school
MaleGender (as listed)
Maine Center for Cancer Medicine and Blood Disorders PAGroup practice

Quick answers

Which hospitals does John P. Winters Iii work at?
Medicare's official clinician data lists John P. Winters Iii at 5 hospitals: MaineHealth Franklin Hospital, MaineHealth Maine Medical Center, Northern Light Eastern Maine Medical Center, Northern Light Mercy Hospital and The Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John P. Winters Iii see patients?
Medicare's clinician data lists 3 practice locations, including Topsham, ME, Westbrook, ME and Portsmouth, NH. Call before your visit to confirm the address.
What is John P. Winters Iii's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does John P. Winters Iii accept Medicare assignment?
Yes. Medicare's clinician data says John P. Winters Iii 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.
Does John P. Winters Iii offer telehealth?
Medicare's clinician data says John P. Winters Iii offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for John P. Winters Iii?
(207) 303-3300, as listed in official Medicare / NPI Registry data.
What is John P. Winters Iii's NPI number?
1366648693. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John P. Winters Iii works

Medicare's Facility Affiliation Data lists John P. Winters Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John P. Winters Iii is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John P. Winters Iii as a member of this group (CMS data updated 2026-10-02).

  • Maine Center for Cancer Medicine and Blood Disorders PA70 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Maine →

Other hematologist-oncologists in Topsham

Clinicians with the same Medicare primary specialty in Topsham, ME — not a recommendation.

All hematologist-oncologists in Topsham →

Clinician information

CredentialMD
Medical schoolUniversity Of Oklahoma College Of Medicine
Graduation year2006
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1366648693
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians