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Emergency Medicine

Elena K. Grill, MD

Works at hospitals in Media, PA · Pennsylvania

Summary

Dr. Elena K. Grill, MD is an emergency medicine doctor at 130 S Bryn Mawr Ave, Bryn Mawr, PA 19010. Phone: (484) 337-3583. Accepts Medicare assignment. In 2024, Elena K. Grill had 372 Original Medicare patients and 397 services. NPI 1932760121. 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: 130 S Bryn Mawr Ave, Bryn Mawr, PA 19010 · Directions
  • Phone: (484) 337‑3583
  • Medicare: Accepts Medicare assignment
  • Hospital: Riddle Memorial Hospital
  • Group practice: Main Line Emergency Med Associates LLC
  • Medical school: University Of Maryland School Of Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Elena K. Grill, 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 Elena K. Grill accept Medicare assignment?
Yes. Medicare's clinician data says Elena K. Grill 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 Elena K. Grill see?
In 2024, CMS data shows 372 Original Medicare patients and 397 services for Elena K. Grill. This counts Original Medicare only and measures volume, not quality.
What is Elena K. Grill's NPI number?
1932760121. 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 Elena K. Grill, 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 patients372
Services billed to Medicare397
Different services or procedures15
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)283 services
  2. Emergency department visit with moderate level of medical decision making (99284)53 services
  3. Critical care, first 30-74 minutes (99291)32 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%
  • Arthritis57%
  • Ischemic heart disease56%
  • Anxiety45%
  • Chronic kidney disease42%

Hospitals where Elena K. Grill works

Medicare's Facility Affiliation Data lists Elena K. Grill 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.

  • Riddle Memorial HospitalMedia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390222

Practice locations

Addresses where Elena K. Grill is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Elena K. Grill as a member of this group (CMS data updated October 2, 2026).

  • Main Line Emergency Med Associates LLC52 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Pennsylvania →

Other emergency medicine doctors in Bryn Mawr

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

All emergency medicine doctors in Bryn Mawr →

Other clinicians in Main Line Emergency Med Associates LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932760121
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