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Rheumatology

Lillian Szydlo, MD

Works at hospitals in Los Angeles, CA · California

Summary

Dr. Lillian Szydlo, MD is a rheumatologist at 250 N Robertson Blvd, Suite 606, Beverly Hills, CA 90211. Phone: (310) 385-3228. Accepts Medicare assignment. In 2024, Lillian Szydlo had 374 Original Medicare patients and 1,494 services. NPI 1477566032. 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: Rheumatologist (Medicare lists Rheumatology)
  • Address: 250 N Robertson Blvd, Suite 606, Beverly Hills, CA 90211 · Directions (3 more locations)
  • Phone: (310) 385‑3228
  • Medicare: Accepts Medicare assignment
  • Hospital: Cedars-Sinai Medical Center
  • Group practice: Cedars-Sinai Medical Care Foundation
  • Medical school: New York University School Of Medicine · graduated 1977 (49 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Lillian Szydlo, 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 Lillian Szydlo accept Medicare assignment?
Yes. Medicare's clinician data says Lillian Szydlo 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 Lillian Szydlo see?
In 2024, CMS data shows 374 Original Medicare patients and 1,494 services for Lillian Szydlo. This counts Original Medicare only and measures volume, not quality.
What is Lillian Szydlo's NPI number?
1477566032. 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 Lillian Szydlo, 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 patients374
Services billed to Medicare1,494
Different services or procedures45
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)442 services
  2. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)432 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)78 services
  4. Aspiration and/or injection of fluid from large joint (20610)62 services
  5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)52 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%
  • Arthritis68%
  • High blood pressure63%
  • Osteoporosis43%
  • Ischemic heart disease31%
  • Depression30%

Hospitals where Lillian Szydlo works

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

Group practices

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

  • Cedars-Sinai Medical Care Foundation1,692 clinicians in the group

Specialties

Find other Rheumatology doctors in California →

Other rheumatologists in Beverly Hills

Clinicians with the same Medicare primary specialty in Beverly Hills, CA — not a recommendation.

All rheumatologists in Beverly Hills →

Other clinicians in Cedars-Sinai Medical Care Foundation

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

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year1977 (49 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1477566032
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