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Anesthesiology

Maryjo F. Kramer, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Maryjo F. Kramer, MD is an anesthesiologist at 75 Francis St, Boston, MA 02115. Phone: (617) 732-5500. Accepts Medicare assignment. In 2024, Maryjo F. Kramer had 87 Original Medicare patients and 128 services. NPI 1689135105. 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: 75 Francis St, Boston, MA 02115 · Directions
  • Phone: (617) 732‑5500
  • Medicare: Accepts Medicare assignment
  • Hospital: Brigham and Women's Hospital
  • Group practice: Brigham and Womens Physicians Organization Inc
  • Medical school: Georgetown University School Of Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Maryjo F. Kramer, 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 Maryjo F. Kramer accept Medicare assignment?
Yes. Medicare's clinician data says Maryjo F. Kramer 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 Maryjo F. Kramer see?
In 2024, CMS data shows 87 Original Medicare patients and 128 services for Maryjo F. Kramer. This counts Original Medicare only and measures volume, not quality.
What is Maryjo F. Kramer's NPI number?
1689135105. 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 Maryjo F. Kramer, 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 patients87
Services billed to Medicare128
Different services or procedures32
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Insertion of artery tube for blood sampling or infusion through skin (36620)18 services
  2. Anesthesia for procedure on heart and large blood vessels (00560)12 services
  3. Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)11 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 disease57%
  • Atrial fibrillation49%
  • Arthritis45%
  • Heart failure39%

Hospitals where Maryjo F. Kramer works

Medicare's Facility Affiliation Data lists Maryjo F. Kramer 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 Maryjo F. Kramer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maryjo F. Kramer as a member of this group (CMS data updated October 2, 2026).

  • Brigham and Womens Physicians Organization Inc2,994 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 Brigham and Womens Physicians Organization Inc

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

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689135105
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