Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Jacob Slizewski, MD

Sees patients in Washington, DC · Los Angeles, CA · District of Columbia, California

Summary

Jacob Slizewski, MD (Anesthesiology) is enrolled with Medicare at 2 practice locations in Washington, DC and Los Angeles, CA. NPI 1801538335. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jacob Slizewski, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

AnesthesiologyPrimary specialty
May acceptAccepts Medicare assignment
4Years since medical school (graduated 2022)
Creighton University School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does Jacob Slizewski see patients?
Medicare's clinician data lists 2 practice locations, including Washington, DC and Los Angeles, CA. Call before your visit to confirm the address.
What is Jacob Slizewski's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Jacob Slizewski accept Medicare assignment?
Medicare's clinician data says Jacob Slizewski may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Jacob Slizewski's NPI number?
1801538335. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Jacob Slizewski is enrolled with Medicare (CMS data updated 2026-10-02).

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 →

Clinician information

CredentialMD
Medical schoolCreighton University School Of Medicine
Graduation year2022
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1801538335
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians