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Emergency Medicine

Radoslaw Bialczak, MD

Works at hospitals in Harbor City, CA · California

Summary

Dr. Radoslaw Bialczak, MD is an emergency medicine doctor at 25821 Vermont Ave, Harbor City, CA 90710. Phone: (310) 325-5111. Accepts Medicare assignment. In 2024, Radoslaw Bialczak had 21 Original Medicare patients and 23 services. NPI 1548615909. 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: 25821 Vermont Ave, Harbor City, CA 90710 · Directions (1 more location)
  • Phone: (310) 325‑5111
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Foundation Hospital - South Bay
  • Group practice: Southern California Permanente Medical Group
  • Medical school: University Of California, San Diego School Of Medicine · graduated 2015 (11 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Radoslaw Bialczak, 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 Radoslaw Bialczak accept Medicare assignment?
Yes. Medicare's clinician data says Radoslaw Bialczak 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 Radoslaw Bialczak see?
In 2024, CMS data shows 21 Original Medicare patients and 23 services for Radoslaw Bialczak. This counts Original Medicare only and measures volume, not quality.
What is Radoslaw Bialczak's NPI number?
1548615909. 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 Radoslaw Bialczak, 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 patients21
Services billed to Medicare23
Different services or procedures4
Participating Medicare providerYes
Average age of these patients62

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)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 blood pressure67%
  • Diabetes52%

Hospitals where Radoslaw Bialczak works

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

Group practices

Medicare enrollment lists Radoslaw Bialczak as a member of this group (CMS data updated October 2, 2026).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Harbor City

Clinicians with the same Medicare primary specialty in Harbor City, CA — not a recommendation.

All emergency medicine doctors in Harbor City →

Other clinicians in Southern California Permanente Medical Group

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548615909
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