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Critical Care (Intensivists)

Samuel A. Tisherman, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Dr. Samuel A. Tisherman, MD is a critical care doctor at 22 S Green St, Baltimore, MD 21201. Phone: (410) 328-6704. Accepts Medicare assignment. In 2024, Samuel A. Tisherman had 115 Original Medicare patients and 462 services. NPI 1891761292. 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: Critical care doctor (Medicare lists Critical Care (Intensivists))
  • Address: 22 S Green St, Baltimore, MD 21201 · Directions
  • Phone: (410) 328‑6704
  • Medicare: Accepts Medicare assignment
  • Hospital: University of Maryland Medical Center
  • Group practice: Shock Trauma Associates PA
  • Medical school: University Of Pittsburgh School Of Medicine · graduated 1985 (41 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Samuel A. Tisherman, 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 Samuel A. Tisherman accept Medicare assignment?
Yes. Medicare's clinician data says Samuel A. Tisherman 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 Samuel A. Tisherman see?
In 2024, CMS data shows 115 Original Medicare patients and 462 services for Samuel A. Tisherman. This counts Original Medicare only and measures volume, not quality.
What is Samuel A. Tisherman's NPI number?
1891761292. 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 Samuel A. Tisherman, 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 patients115
Services billed to Medicare462
Different services or procedures9
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)184 services
  2. Critical care, first 30-74 minutes (99291)151 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)98 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%
  • Chronic kidney disease59%
  • Arthritis58%
  • Ischemic heart disease55%
  • Diabetes50%

Hospitals where Samuel A. Tisherman works

Medicare's Facility Affiliation Data lists Samuel A. Tisherman 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 Samuel A. Tisherman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Samuel A. Tisherman as a member of this group (CMS data updated October 2, 2026).

  • Shock Trauma Associates PA261 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in Maryland →

Other critical care doctors in Baltimore

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

All critical care doctors in Baltimore →

Other clinicians in Shock Trauma Associates PA

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

Clinician information

CredentialMD
Medical schoolUniversity Of Pittsburgh School Of Medicine
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891761292
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