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Medical Oncology

Karen D. Scanlan, MD

Works at hospitals in Needham, MA · Boston, MA · Jamaica Plain, MA … · Massachusetts

Summary

Dr. Karen D. Scanlan, MD is an oncologist at 2600 Compass Rd, Glenview, IL 60026. Phone: (617) 754-0600. Accepts Medicare assignment. In 2024, Karen D. Scanlan had 339 Original Medicare patients and 1,862 services. NPI 1639176662. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Karen D. Scanlan, 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 Karen D. Scanlan accept Medicare assignment?
Yes. Medicare's clinician data says Karen D. Scanlan 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 Karen D. Scanlan see?
In 2024, CMS data shows 339 Original Medicare patients and 1,862 services for Karen D. Scanlan. This counts Original Medicare only and measures volume, not quality.
What is Karen D. Scanlan's NPI number?
1639176662. 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 Karen D. Scanlan, 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 patients339
Services billed to Medicare1,862
Different services or procedures44
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)546 services
  2. 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)319 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)249 services
  4. Annual depression screening, 5 to 15 minutes (G0444)249 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)66 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 cholesterol75%
  • High blood pressure73%
  • Arthritis38%
  • Anxiety28%
  • Osteoporosis22%
  • Ischemic heart disease19%

Hospitals where Karen D. Scanlan works

Medicare's Facility Affiliation Data lists Karen D. Scanlan 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.

Practice locations

Addresses where Karen D. Scanlan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Karen D. Scanlan as a member of these groups (CMS data updated October 2, 2026).

  • Select Rehabilitation, LLC2,046 clinicians in the group
  • Medical Care of Boston Management Corporation292 clinicians in the group

Specialties

Find other Medical Oncology doctors in Illinois →

Other oncologists in Glenview

Clinicians with the same Medicare primary specialty in Glenview, IL — not a recommendation.

All oncologists in Glenview →

Other clinicians in Select Rehabilitation, LLC

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

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639176662
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