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Diagnostic Radiology

Katherine N. Parker, MD

Works at hospitals in New York, NY · New York

Summary

Dr. Katherine N. Parker, MD is a radiologist at 506 6th St, Brooklyn, NY 11215. Phone: (718) 780-3000. Accepts Medicare assignment. In 2024, Katherine N. Parker had 798 Original Medicare patients and 859 services. NPI 1396806451. 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: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 506 6th St, Brooklyn, NY 11215 · Directions (3 more locations)
  • Phone: (718) 780‑3000
  • Medicare: Accepts Medicare assignment
  • Hospital: New York-Presbyterian Hospital
  • Group practice: Weill Medical College of Cornell (+2 more)
  • Medical school: New York University School Of Medicine · graduated 2001 (25 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Katherine N. Parker, 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 Katherine N. Parker accept Medicare assignment?
Yes. Medicare's clinician data says Katherine N. Parker 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 Katherine N. Parker see?
In 2024, CMS data shows 798 Original Medicare patients and 859 services for Katherine N. Parker. This counts Original Medicare only and measures volume, not quality.
What is Katherine N. Parker's NPI number?
1396806451. 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 Katherine N. Parker, 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 patients798
Services billed to Medicare859
Different services or procedures13
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Ct scan of chest without contrast (71250)677 services
  2. Nuclear medicine study from skull base to mid-thigh with ct scan (78815)98 services
  3. Low dose ct scan of chest for lung cancer screening (71271)35 services
  4. Ct scan of blood vessels of chest with contrast (71275)18 services
  5. Ct scan of chest with contrast (71260)17 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).

  • COPD73%
  • High cholesterol72%
  • High blood pressure60%
  • Arthritis52%
  • Ischemic heart disease41%
  • Osteoporosis33%

Hospitals where Katherine N. Parker works

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

Group practices

Medicare enrollment lists Katherine N. Parker as a member of these groups (CMS data updated October 2, 2026).

  • Weill Medical College of Cornell2,051 clinicians in the group
  • Kings Physician Services PC648 clinicians in the group
  • Weill Cornell Imaging at New York Presbyterian150 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in New York →

Other radiologists in Brooklyn

Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.

All radiologists in Brooklyn →

Other clinicians in Weill Medical College of Cornell

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

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396806451
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