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Internal Medicine

Laura Saelinger Shafer, MD

Works at hospitals in Maywood, IL · Berwyn, IL · Illinois

Summary

Dr. Laura Saelinger Shafer, MD is an internal medicine doctor at 3231 Euclid Ave, Suite 202, Berwyn, IL 60402. Phone: (708) 783-2700. Accepts Medicare assignment. In 2024, Laura Saelinger Shafer had 123 Original Medicare patients and 260 services. NPI 1598739633. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3231 Euclid Ave, Suite 202, Berwyn, IL 60402 · Directions
  • Phone: (708) 783‑2700
  • Medicare: Accepts Medicare assignment
  • Hospitals: Loyola University Medical Center, MacNeal Hospital
  • Group practice: Loyola Medical Group LLC
  • Medical school: graduated 1989 (37 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Laura Saelinger Shafer, 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 Laura Saelinger Shafer accept Medicare assignment?
Yes. Medicare's clinician data says Laura Saelinger Shafer 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 Laura Saelinger Shafer see?
In 2024, CMS data shows 123 Original Medicare patients and 260 services for Laura Saelinger Shafer. This counts Original Medicare only and measures volume, not quality.
What is Laura Saelinger Shafer's NPI number?
1598739633. 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 Laura Saelinger Shafer, 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 patients123
Services billed to Medicare260
Different services or procedures22
Participating Medicare providerYes
Average age of these patients78

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)114 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)27 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)22 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with tracing (93005)11 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%
  • Arthritis60%
  • Osteoporosis46%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)28%
  • Ischemic heart disease27%

Hospitals where Laura Saelinger Shafer works

Medicare's Facility Affiliation Data lists Laura Saelinger Shafer 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.

  • Loyola University Medical CenterMaywood, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140276
  • MacNeal HospitalBerwyn, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140054

Practice locations

Addresses where Laura Saelinger Shafer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Laura Saelinger Shafer as a member of this group (CMS data updated October 2, 2026).

  • Loyola Medical Group LLC127 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Berwyn

Clinicians with the same Medicare primary specialty in Berwyn, IL — not a recommendation.

All internal medicine doctors in Berwyn →

Other clinicians in Loyola Medical Group LLC

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

Clinician information

CredentialMD
Graduation year1989 (37 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598739633
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