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Emergency Medicine

Christopher Crean, MD

Works at hospitals in Somerville, NJ · New Jersey

Summary

Dr. Christopher Crean, MD is an emergency medicine doctor at 110 Rehill Ave, Somerville, NJ 08876. Phone: (908) 685-2200. Accepts Medicare assignment. In 2024, Christopher Crean had 307 Original Medicare patients and 454 services. NPI 1588699409. 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: 110 Rehill Ave, Somerville, NJ 08876 · Directions (1 more location)
  • Phone: (908) 685‑2200
  • Medicare: Accepts Medicare assignment
  • Hospital: Robert Wood Johnson University Hospital - Somerset
  • Group practice: RWJBH Emergency Medicine Associates, LLC
  • Medical school: Georgetown University School Of Medicine · graduated 2003 (23 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Christopher Crean, 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 Christopher Crean accept Medicare assignment?
Yes. Medicare's clinician data says Christopher Crean 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 Christopher Crean see?
In 2024, CMS data shows 307 Original Medicare patients and 454 services for Christopher Crean. This counts Original Medicare only and measures volume, not quality.
What is Christopher Crean's NPI number?
1588699409. 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 Christopher Crean, 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 patients307
Services billed to Medicare454
Different services or procedures22
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)168 services
  2. Electrocardiogram (ecg) 1 to 3 leads with review by physician only (93042)111 services
  3. Emergency department visit with moderate level of medical decision making (99284)66 services
  4. Critical care, first 30-74 minutes (99291)42 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)22 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%
  • Arthritis51%
  • Anxiety51%
  • Ischemic heart disease45%
  • Diabetes43%

Hospitals where Christopher Crean works

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

Group practices

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

  • RWJBH Emergency Medicine Associates, LLC848 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New Jersey →

Other emergency medicine doctors in Somerville

Clinicians with the same Medicare primary specialty in Somerville, NJ — not a recommendation.

All emergency medicine doctors in Somerville →

Other clinicians in RWJBH Emergency Medicine Associates, LLC

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

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588699409
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