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Hematology/Oncology

Christine Wasilewski, MD

Works at hospitals in Exeter, NH · Rochester, NH · Portsmouth, NH … · New Hampshire, Maine

Summary

Dr. Christine Wasilewski, MD is a hematologist-oncologist at 11 Rock Row, Suite 120, Westbrook, ME 04092. Phone: (207) 303-3300. Accepts Medicare assignment. In 2024, Christine Wasilewski had 396 Original Medicare patients and 1,350 services. NPI 1376750562. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 11 Rock Row, Suite 120, Westbrook, ME 04092 · Directions (3 more locations)
  • Phone: (207) 303‑3300
  • Medicare: Accepts Medicare assignment
  • Hospitals: Exeter Hospital Inc, Frisbie Memorial Hospital, Portsmouth Regional Hospital and 2 more
  • Group practice: Wentworth Douglass Physician Corporation (+1 more)
  • Medical school: Tulane University School Of Medicine · graduated 2001 (25 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Christine Wasilewski, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Christine Wasilewski accept Medicare assignment?
Yes. Medicare's clinician data says Christine Wasilewski 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.
How many Medicare patients does Christine Wasilewski see?
In 2024, CMS data shows 396 Original Medicare patients and 1,350 services for Christine Wasilewski. This counts Original Medicare only and measures volume, not quality.
What is Christine Wasilewski's NPI number?
1376750562. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Christine Wasilewski, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients396
Services billed to Medicare1,350
Different services or procedures16
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)460 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)379 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)290 services
  4. Telephone medical discussion with physician, 21-30 minutes (99443)71 services
  5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)54 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol73%
  • High blood pressure70%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)52%
  • Arthritis45%
  • Anxiety31%
  • Diabetes22%

Hospitals where Christine Wasilewski works

Medicare's Facility Affiliation Data lists Christine Wasilewski 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.

  • Exeter Hospital IncExeter, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300023
  • Frisbie Memorial HospitalRochester, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300014
  • Portsmouth Regional HospitalPortsmouth, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300029
  • Wentworth-Douglass HospitalDover, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300018
  • York HospitalYork, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200020

Practice locations

Addresses where Christine Wasilewski is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Christine Wasilewski as a member of these groups (CMS data updated October 2, 2026).

  • Wentworth Douglass Physician Corporation429 clinicians in the group
  • 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 Westbrook

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

All hematologist-oncologists in Westbrook →

Other clinicians in Wentworth Douglass Physician Corporation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolTulane University School Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1376750562
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians