IAN C HORKHEIMER MD
NPI 1316924772
Specialist in Little Silver, NJ
About Ian C Horkheimer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IAN C HORKHEIMER MD (NPI 1316924772) is an individual specialist in Little Silver, New Jersey, licensed in New Jersey (25MA08068100) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Riverview Medical Center, and is a graduate of University Of Wisconsin School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ian C Horkheimer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Ian Horkheimer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Little Silver, NJ 07739
- Reassigned Medicare billing, New Jersey enrollment
- 247 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 45
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Riverview Medical Center
Acute Care Hospitals · Red Bank, NJJersey Shore University Medical Center
Acute Care Hospitals · Neptune, NJMonmouth Medical Center
Acute Care Hospitals · Long Branch, NJJfk Medical Center
Acute Care Hospitals · Edison, NJBayshore Medical Center
Acute Care Hospitals · Holmdel, NJMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LITTLE SILVER, NJ 07739
LITTLE SILVER, NJ 07739
LITTLE SILVER, NJ 07739
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ian Horkheimer's NPI number?
The NPI number for Ian Horkheimer is 1316924772. It was assigned to this individual provider in the NPPES registry on December 28, 2005.
Where is Ian Horkheimer located?
Ian Horkheimer practices at 180 White Rd Suite 101, Little Silver, NJ 07739. The listed phone number is (732) 530-8666.
What is Ian Horkheimer's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Ian Horkheimer enrolled in Medicare?
Yes. Ian Horkheimer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Ian Horkheimer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Horkheimer reassigns Medicare benefits to Regional Cancer Care Associates LLC (Little Silver, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ian Horkheimer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ian Horkheimer accept?
Health plans from Oscar Health list Ian Horkheimer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ian Horkheimer affiliated with any hospitals?
According to CMS data, Ian Horkheimer is affiliated with Riverview Medical Center, Jersey Shore University Medical Center, Monmouth Medical Center, Jfk Medical Center and Bayshore Medical Center.
When was this NPI record last updated?
The NPPES record for Ian Horkheimer was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.