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Hematology/Oncology

Ian Horkheimer, MD

Works at hospitals in Holmdel, NJ · Neptune, NJ · Edison, NJ … · New Jersey

Summary

Ian Horkheimer, MD (Hematology/Oncology) is listed by Medicare at 5 hospitals in Holmdel, NJ, Neptune, NJ and Edison, NJ and other places. NPI 1316924772. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ian Horkheimer, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
University Of Wisconsin School Of MedicineMedical school
MaleGender (as listed)
Regional Cancer Care Associates LLCGroup practice

Quick answers

Which hospitals does Ian Horkheimer work at?
Medicare's official clinician data lists Ian Horkheimer at 5 hospitals: Bayshore Medical Center, Jersey Shore University Medical Center, JFK University Medical Center, Monmouth Medical Center and Riverview Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ian Horkheimer see patients?
Medicare's clinician data lists 7 practice locations, including Red Bank, NJ, Edison, NJ and Mount Holly, NJ. Call before your visit to confirm the address.
What is Ian Horkheimer's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does Ian Horkheimer accept Medicare assignment?
Yes. Medicare's clinician data says Ian Horkheimer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Ian Horkheimer?
(609) 835-2900, as listed in official Medicare / NPI Registry data.
What is Ian Horkheimer's NPI number?
1316924772. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ian Horkheimer works

Medicare's Facility Affiliation Data lists Ian Horkheimer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Ian Horkheimer is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Ian Horkheimer as a member of this group (CMS data updated 2026-10-02).

  • Regional Cancer Care Associates LLC151 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in New Jersey →

Other hematologist-oncologists in Red Bank

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

All hematologist-oncologists in Red Bank →

Clinician information

CredentialMD
Medical schoolUniversity Of Wisconsin School Of Medicine
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316924772
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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