Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Oren D. Aharoni, MD

Works at hospitals in Newark, DE · Delaware

Summary

Dr. Oren D. Aharoni, MD is an anesthesiologist at 100 Wilmington W Chester Pike, Suite 100, Chadds Ford, PA 19317. Phone: (610) 672-4900. Accepts Medicare assignment. In 2024, Oren D. Aharoni had 51 Original Medicare patients and 54 services. NPI 1952546947. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 100 Wilmington W Chester Pike, Suite 100, Chadds Ford, PA 19317 · Directions (3 more locations)
  • Phone: (610) 672‑4900
  • Medicare: Accepts Medicare assignment
  • Hospital: Christiana Hospital
  • Group practice: Anesthesia Services PA
  • Medical school: New York University School Of Medicine · graduated 2005 (21 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Oren D. Aharoni, 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 Oren D. Aharoni accept Medicare assignment?
Yes. Medicare's clinician data says Oren D. Aharoni 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 Oren D. Aharoni see?
In 2024, CMS data shows 51 Original Medicare patients and 54 services for Oren D. Aharoni. This counts Original Medicare only and measures volume, not quality.
What is Oren D. Aharoni's NPI number?
1952546947. 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 Oren D. Aharoni, 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 patients51
Services billed to Medicare54
Different services or procedures13
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)22 services
  2. Anesthesia for procedure for total knee joint replacement (01402)14 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%
  • Arthritis75%
  • Diabetes37%
  • Ischemic heart disease31%
  • Depression27%

Hospitals where Oren D. Aharoni works

Medicare's Facility Affiliation Data lists Oren D. Aharoni 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.

  • Christiana HospitalNewark, DE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 080001

Practice locations

Addresses where Oren D. Aharoni is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Oren D. Aharoni as a member of this group (CMS data updated October 2, 2026).

  • Anesthesia Services PA200 clinicians in the group

Specialties

Find other Anesthesiology doctors in Pennsylvania →

Other anesthesiologists in Chadds Ford

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

All anesthesiologists in Chadds Ford →

Other clinicians in Anesthesia Services PA

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

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952546947
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