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Diagnostic Radiology

Oleg Leontiev, MD

Works at hospitals in West Chester, PA · Philadelphia, PA · Phoenixville, PA · Pennsylvania

Summary

Dr. Oleg Leontiev, MD is a radiologist at 1006 Mantua Pike, Woodbury, NJ 08097. Phone: (856) 686-8282. Accepts Medicare assignment. In 2024, Oleg Leontiev had 1,755 Original Medicare patients and 2,921 services. NPI 1235393760. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Oleg Leontiev, 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 Oleg Leontiev accept Medicare assignment?
Yes. Medicare's clinician data says Oleg Leontiev 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 Oleg Leontiev see?
In 2024, CMS data shows 1,755 Original Medicare patients and 2,921 services for Oleg Leontiev. This counts Original Medicare only and measures volume, not quality.
What is Oleg Leontiev's NPI number?
1235393760. 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 Oleg Leontiev, 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 patients1,755
Services billed to Medicare2,921
Different services or procedures186
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Screening 3d breast mammography (77063)248 services
  2. Screening mammography (77067)248 services
  3. Ct scan of chest without contrast (71250)236 services
  4. Ct scan of chest with contrast (71260)133 services
  5. Mri scan of abdomen before and after contrast (74183)102 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%
  • Arthritis50%
  • Ischemic heart disease35%
  • Diabetes29%
  • Anxiety29%

Hospitals where Oleg Leontiev works

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

Group practices

Medicare enrollment lists Oleg Leontiev as a member of these groups (CMS data updated October 2, 2026).

  • University of Penn - Medical Group3,505 clinicians in the group
  • Clinical Health Care Associates of New Jersey PC797 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in New Jersey →

Other radiologists in Woodbury

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

All radiologists in Woodbury →

Other clinicians in University of Penn - Medical Group

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235393760
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