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Emergency Medicine

Michael J. Pasirstein, MD

Works at hospitals in Philadelphia, PA · Pennsylvania

Summary

Dr. Michael J. Pasirstein, MD is an emergency medicine doctor at 1020 Sansom St, Suite 239, Philadelphia, PA 19107. Phone: (215) 955-6844. Accepts Medicare assignment. In 2024, Michael J. Pasirstein had 127 Original Medicare patients and 150 services. NPI 1811151814. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1020 Sansom St, Suite 239, Philadelphia, PA 19107 · Directions (1 more location)
  • Phone: (215) 955‑6844
  • Medicare: Accepts Medicare assignment
  • Hospital: Thomas Jefferson University Hospital
  • Group practice: Jefferson University Physicians
  • Medical school: graduated 2007 (19 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Michael J. Pasirstein, 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 Michael J. Pasirstein accept Medicare assignment?
Yes. Medicare's clinician data says Michael J. Pasirstein 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 Michael J. Pasirstein see?
In 2024, CMS data shows 127 Original Medicare patients and 150 services for Michael J. Pasirstein. This counts Original Medicare only and measures volume, not quality.
What is Michael J. Pasirstein's NPI number?
1811151814. 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 Michael J. Pasirstein, 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 patients127
Services billed to Medicare150
Different services or procedures14
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)39 services
  2. Emergency department visit with moderate level of medical decision making (99284)39 services
  3. Emergency department visit with high level of medical decision making (99285)39 services
  4. Emergency department visit with low level of medical decision making (99283)15 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 cholesterol70%
  • Arthritis52%
  • Diabetes45%
  • Depression41%
  • Ischemic heart disease39%

Hospitals where Michael J. Pasirstein works

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

Group practices

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

  • Jefferson University Physicians1,531 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Pennsylvania →

Other emergency medicine doctors in Philadelphia

Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.

All emergency medicine doctors in Philadelphia →

Other clinicians in Jefferson University Physicians

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

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811151814
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