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Medical Oncology

Ephraim J. Fuchs, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Dr. Ephraim J. Fuchs, MD is an oncologist at 5755 Cedar Ln, Columbia, MD 21044. Phone: (410) 502-4340. May accept Medicare assignment. In 2024, Ephraim J. Fuchs had 145 Original Medicare patients and 576 services. NPI 1578506135. 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: Oncologist (Medicare lists Medical Oncology)
  • Address: 5755 Cedar Ln, Columbia, MD 21044 · Directions (4 more locations)
  • Phone: (410) 502‑4340
  • Medicare: May accept Medicare assignment
  • Hospital: The Johns Hopkins Hospital
  • Group practice: Johns Hopkins University
  • Medical school: Perelman School Of Med At The University Of Pennsylvania · graduated 1985 (41 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Ephraim J. Fuchs, 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 Ephraim J. Fuchs accept Medicare assignment?
Medicare's clinician data says Ephraim J. Fuchs may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Ephraim J. Fuchs see?
In 2024, CMS data shows 145 Original Medicare patients and 576 services for Ephraim J. Fuchs. This counts Original Medicare only and measures volume, not quality.
What is Ephraim J. Fuchs's NPI number?
1578506135. 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 Ephraim J. Fuchs, 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 patients145
Services billed to Medicare576
Different services or procedures19
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)152 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)139 services
  3. 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)113 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)58 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)17 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%
  • Arthritis44%
  • Chronic kidney disease33%
  • Anxiety28%
  • Diabetes26%

Hospitals where Ephraim J. Fuchs works

Medicare's Facility Affiliation Data lists Ephraim J. Fuchs 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 Ephraim J. Fuchs is enrolled with Medicare (CMS data updated October 2, 2026).

  • 5755 Cedar LnColumbia, MD 21044
  • 5759 Cedar LnColumbia, MD 21044
  • 600 N Wolf StBaltimore, MD 21287
  • 600 N Wolfe St, Blalock 266Baltimore, MD 21287 (410) 502‑4340
  • 6201 Greenleigh AveMiddle River, MD 21220

Group practices

Medicare enrollment lists Ephraim J. Fuchs as a member of this group (CMS data updated October 2, 2026).

  • Johns Hopkins University2,909 clinicians in the group

Specialties

Find other Medical Oncology doctors in Maryland →

Other oncologists in Columbia

Clinicians with the same Medicare primary specialty in Columbia, MD — not a recommendation.

All oncologists in Columbia →

Other clinicians in Johns Hopkins University

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

Clinician information

CredentialMD
Medical schoolPerelman School Of Med At The University Of Pennsylvania
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1578506135
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