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Anesthesiology

Joshua M. Leifer, MD

Works at hospitals in Washington, DC · District of Columbia

Summary

Dr. Joshua M. Leifer, MD is an anesthesiologist at 5255 Loughboro Rd NW, Washington, DC 20016. Phone: (202) 537-4000. Accepts Medicare assignment. In 2024, Joshua M. Leifer had 210 Original Medicare patients and 252 services. NPI 1225078132. 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: 5255 Loughboro Rd NW, Washington, DC 20016 · Directions
  • Phone: (202) 537‑4000
  • Medicare: Accepts Medicare assignment
  • Hospital: Sibley Memorial Hospital
  • Group practice: Surgical Anesthesia Associates PLLC
  • Medical school: University Of Pittsburgh School Of Medicine · graduated 1997 (29 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joshua M. Leifer, 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 Joshua M. Leifer accept Medicare assignment?
Yes. Medicare's clinician data says Joshua M. Leifer 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 Joshua M. Leifer see?
In 2024, CMS data shows 210 Original Medicare patients and 252 services for Joshua M. Leifer. This counts Original Medicare only and measures volume, not quality.
What is Joshua M. Leifer's NPI number?
1225078132. 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 Joshua M. Leifer, 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 patients210
Services billed to Medicare252
Different services or procedures56
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Anesthesia for electroshock therapy (00104)26 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)19 services
  3. Anesthesia for procedure for total knee joint replacement (01402)18 services
  4. Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)18 services
  5. Anesthesia for other procedure on lower abdomen (00840)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 cholesterol75%
  • High blood pressure71%
  • Arthritis66%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)33%
  • Depression31%
  • Ischemic heart disease25%

Hospitals where Joshua M. Leifer works

Medicare's Facility Affiliation Data lists Joshua M. Leifer 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 Joshua M. Leifer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joshua M. Leifer as a member of this group (CMS data updated October 2, 2026).

  • Surgical Anesthesia Associates PLLC83 clinicians in the group

Specialties

Find other Anesthesiology doctors in District of Columbia →

Other anesthesiologists in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

All anesthesiologists in Washington →

Other clinicians in Surgical Anesthesia Associates PLLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Pittsburgh School Of Medicine
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225078132
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