Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Diagnostic Radiology

Howard L. Kirzner, MD

Works at hospitals in Pompton Plains, NJ · Summit, NJ · New Jersey

Summary

Dr. Howard L. Kirzner, MD is a radiologist at 100 Madison Ave, Morristown, NJ 07960. Phone: (973) 971-5370. Accepts Medicare assignment. In 2024, Howard L. Kirzner had 57 Original Medicare patients and 139 services. NPI 1124188792. 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: 100 Madison Ave, Morristown, NJ 07960 · Directions
  • Phone: (973) 971‑5370
  • Medicare: Accepts Medicare assignment
  • Hospitals: Chilton Medical Center, Overlook Medical Center
  • Group practice: Ancillary Services of Practice Associates PA
  • Medical school: State University Of New York Downstate Medical Center · graduated 1983 (43 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Howard L. Kirzner, 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 Howard L. Kirzner accept Medicare assignment?
Yes. Medicare's clinician data says Howard L. Kirzner 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 Howard L. Kirzner see?
In 2024, CMS data shows 57 Original Medicare patients and 139 services for Howard L. Kirzner. This counts Original Medicare only and measures volume, not quality.
What is Howard L. Kirzner's NPI number?
1124188792. 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 Howard L. Kirzner, 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 patients57
Services billed to Medicare139
Different services or procedures15
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Screening 3d breast mammography (77063)37 services
  2. Screening mammography (77067)37 services
  3. Dxa bone density measurement of hip, pelvis, spine (77080)21 services
  4. Complete ultrasound scan of 1 breast (76641)19 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%
  • Arthritis49%
  • Osteoporosis35%
  • Diabetes26%
  • Anxiety25%

Hospitals where Howard L. Kirzner works

Medicare's Facility Affiliation Data lists Howard L. Kirzner 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.

  • Chilton Medical CenterPompton Plains, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310017
  • Overlook Medical CenterSummit, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310051

Practice locations

Addresses where Howard L. Kirzner is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Howard L. Kirzner as a member of this group (CMS data updated October 2, 2026).

  • Ancillary Services of Practice Associates PA102 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in New Jersey →

Other radiologists in Morristown

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

All radiologists in Morristown →

Other clinicians in Ancillary Services of Practice Associates PA

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

Clinician information

CredentialMD
Medical schoolState University Of New York Downstate Medical Center
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124188792
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