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Diagnostic Radiology

Karen Cortellino, MD

Sees patients in Paterson, NJ · Morristown, NJ · New Jersey

Summary

Dr. Karen Cortellino, MD is a radiologist at 680 Broadway, Paterson, NJ 07514. Phone: (908) 284-2300. Accepts Medicare assignment. In 2024, Karen Cortellino had 119 Original Medicare patients and 406 services. NPI 1205919396. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 680 Broadway, Paterson, NJ 07514 · Directions (1 more location)
  • Phone: (908) 284‑2300
  • Medicare: Accepts Medicare assignment
  • Group practice: Richard J Claps MD and Associates PA (+1 more)
  • Medical school: graduated 1978 (48 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Karen Cortellino, 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 Karen Cortellino accept Medicare assignment?
Yes. Medicare's clinician data says Karen Cortellino 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 Karen Cortellino see?
In 2024, CMS data shows 119 Original Medicare patients and 406 services for Karen Cortellino. This counts Original Medicare only and measures volume, not quality.
What is Karen Cortellino's NPI number?
1205919396. 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 Karen Cortellino, 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 patients119
Services billed to Medicare406
Different services or procedures12
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Complete ultrasound scan of 1 breast (76641)87 services
  2. Screening mammography (77067)86 services
  3. Screening 3d breast mammography (77063)75 services
  4. Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)42 services
  5. Diagnostic mammography of 1 breast (77065)36 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 cholesterol75%
  • High blood pressure69%
  • Arthritis43%
  • Osteoporosis29%
  • Anxiety23%
  • Diabetes22%

Practice locations

Addresses where Karen Cortellino is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Richard J Claps MD and Associates PA16 clinicians in the group
  • Personal Touch Radiology, LLC8 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in New Jersey →

Other radiologists in Paterson

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

All radiologists in Paterson →

Clinician information

CredentialMD
Graduation year1978 (48 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205919396
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