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Diagnostic Radiology

Julie Ressler, MD

Sees patients in Irvine, CA · Duarte, CA · South Pasadena, CA … · California

Summary

Dr. Julie Ressler, MD is a radiologist at 1000 Fivepoint, Irvine, CA 92618. Phone: (949) 671-4673. Accepts Medicare assignment. In 2024, Julie Ressler had 1,590 Original Medicare patients and 2,941 services. NPI 1417903147. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 1000 Fivepoint, Irvine, CA 92618 · Directions (5 more locations)
  • Phone: (949) 671‑4673
  • Medicare: Accepts Medicare assignment
  • Group practice: City of Hope Medical Foundation
  • Medical school: University Of Southern California Keck School Of Medicine · graduated 1990 (36 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Julie Ressler, 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 Julie Ressler accept Medicare assignment?
Yes. Medicare's clinician data says Julie Ressler 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 Julie Ressler see?
In 2024, CMS data shows 1,590 Original Medicare patients and 2,941 services for Julie Ressler. This counts Original Medicare only and measures volume, not quality.
What is Julie Ressler's NPI number?
1417903147. 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 Julie Ressler, 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 patients1,590
Services billed to Medicare2,941
Different services or procedures117
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Mri scan of brain before and after contrast (70553)526 services
  2. Nuclear medicine study from skull base to mid-thigh with ct scan (78815)365 services
  3. Ct scan of chest with contrast (71260)312 services
  4. Ct scan of soft tissue of neck with contrast (70491)269 services
  5. Ct scan of abdomen and pelvis before and after contrast (74178)106 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 cholesterol73%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)53%
  • Arthritis47%
  • Diabetes38%
  • Ischemic heart disease33%

Practice locations

Addresses where Julie Ressler is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

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

  • City of Hope Medical Foundation982 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Irvine

Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.

All radiologists in Irvine →

Other clinicians in City of Hope Medical Foundation

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

Clinician information

CredentialMD
Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417903147
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians