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Family Practice

Elizabeth S. Ziegler, MD

Works at hospitals in Bryn Mawr, PA · Philadelphia, PA · Wynnewood, PA … · Pennsylvania

Summary

Dr. Elizabeth S. Ziegler, MD is a family doctor at 255 W Lancaster Ave, Paoli, PA 19301. Accepts Medicare assignment. In 2024, Elizabeth S. Ziegler had 317 Original Medicare patients and 1,004 services. NPI 1366526543. 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: Family doctor (Medicare lists Family Practice)
  • Address: 255 W Lancaster Ave, Paoli, PA 19301 · Directions (1 more location)
  • Medicare: Accepts Medicare assignment
  • Hospitals: Bryn Mawr Hospital, Hospital of University of Pennsylvania, Main Line Hospital Lankenau and 2 more
  • Group practice: Main Line Healthcare
  • Medical school: Warren Alpert Medical School Of Brown University · graduated 1997 (29 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 Elizabeth S. Ziegler, 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 Elizabeth S. Ziegler accept Medicare assignment?
Yes. Medicare's clinician data says Elizabeth S. Ziegler 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 Elizabeth S. Ziegler see?
In 2024, CMS data shows 317 Original Medicare patients and 1,004 services for Elizabeth S. Ziegler. This counts Original Medicare only and measures volume, not quality.
What is Elizabeth S. Ziegler's NPI number?
1366526543. 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 Elizabeth S. Ziegler, 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 patients317
Services billed to Medicare1,004
Different services or procedures33
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)347 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)193 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)141 services
  4. Administration of influenza virus vaccine (G0008)45 services
  5. Influenza vaccine split virus, preservative free (90662)43 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%
  • High blood pressure66%
  • Arthritis44%
  • Ischemic heart disease28%
  • Anxiety20%
  • Osteoporosis20%

Hospitals where Elizabeth S. Ziegler works

Medicare's Facility Affiliation Data lists Elizabeth S. Ziegler 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.

  • Bryn Mawr HospitalBryn Mawr, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390139
  • Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390111
  • Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390195
  • Paoli HospitalPaoli, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390153
  • Phoenixville HospitalPhoenixville, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390127

Practice locations

Addresses where Elizabeth S. Ziegler is enrolled with Medicare (CMS data updated October 2, 2026).

  • 255 W Lancaster AvePaoli, PA 19301
  • 830 Old Lancaster RdBryn Mawr, PA 19010

Group practices

Medicare enrollment lists Elizabeth S. Ziegler as a member of this group (CMS data updated October 2, 2026).

  • Main Line Healthcare1,184 clinicians in the group

Specialties

Find other Family Practice doctors in Pennsylvania →

Other family doctors in Paoli

Clinicians with the same Medicare primary specialty in Paoli, PA — not a recommendation.

All family doctors in Paoli →

Other clinicians in Main Line Healthcare

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

Clinician information

CredentialMD
Medical schoolWarren Alpert Medical School Of Brown University
Graduation year1997 (29 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1366526543
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