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Anesthesiology

Megan L. Krajewski, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Megan L. Krajewski, MD is an anesthesiologist at 330 Brookline Ave, Boston, MA 02215. Accepts Medicare assignment. In 2024, Megan L. Krajewski had 90 Original Medicare patients and 165 services. NPI 1699919613. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 330 Brookline Ave, Boston, MA 02215 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: Beth Israel Deaconess Medical Center
  • Group practice: Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc
  • Medical school: University Of Michigan Medical School · graduated 2009 (17 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Megan L. Krajewski, 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 Megan L. Krajewski accept Medicare assignment?
Yes. Medicare's clinician data says Megan L. Krajewski 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 Megan L. Krajewski see?
In 2024, CMS data shows 90 Original Medicare patients and 165 services for Megan L. Krajewski. This counts Original Medicare only and measures volume, not quality.
What is Megan L. Krajewski's NPI number?
1699919613. 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 Megan L. Krajewski, 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 patients90
Services billed to Medicare165
Different services or procedures39
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Critical care, first 30-74 minutes (99291)40 services
  2. Anesthesia for other procedure on large bowel using an endoscope (00811)13 services
  3. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)12 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 blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease56%
  • Atrial fibrillation49%
  • Arthritis44%
  • Anxiety42%

Hospitals where Megan L. Krajewski works

Medicare's Facility Affiliation Data lists Megan L. Krajewski 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 Megan L. Krajewski is enrolled with Medicare (CMS data updated October 2, 2026).

  • 330 Brookline AveBoston, MA 02215

Group practices

Medicare enrollment lists Megan L. Krajewski as a member of this group (CMS data updated October 2, 2026).

  • Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc1,740 clinicians in the group

Specialties

Find other Anesthesiology doctors in Massachusetts →

Other anesthesiologists in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All anesthesiologists in Boston →

Other clinicians in Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699919613
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