DR. SEAN K CALHOUN D.O.
NPI 1598862617
Radiology - Diagnostic Radiology in Morristown, NJ
About Dr. Sean K Calhoun D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SEAN K CALHOUN D.O. (NPI 1598862617) is an individual diagnostic radiology provider in Morristown, New Jersey, licensed in New Jersey (25MB07299800) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of Rowan University School Of Osteopathic Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Dr. Sean K Calhoun D.o. 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 Reassignments
5Medicare enrollment records show Sean Calhoun reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 137 clinicians in this Medicare group
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 48 clinicians in this Medicare group
Newton, NJ 07860
- Reassigned Medicare billing, New Jersey enrollment
- 80 clinicians in this Medicare group
Hazlet, NJ 07730
- Reassigned Medicare billing, New Jersey enrollment
- 142 clinicians in this Medicare group
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 160 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 70
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.
Morristown Medical Center
Acute Care Hospitals · Morristown, NJChilton Medical Center
Acute Care Hospitals · Pompton Plains, NJNewton Medical Center
Acute Care Hospitals · Newton, NJCentrastate Medical Center
Acute Care Hospitals · Freehold, NJHackettstown Medical Center
Acute Care Hospitals · Hackettstown, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07960 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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
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.
MORRISTOWN, NJ 07960
MORRISTOWN, NJ 07960
MORRISTOWN, NJ 07960
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 Sean Calhoun's NPI number?
The NPI number for Sean Calhoun is 1598862617. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Sean Calhoun located?
Sean Calhoun practices at 100 Madison Ave, Morristown, NJ 07960. The listed phone number is (973) 267-1274.
What is Sean Calhoun's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Sean Calhoun enrolled in Medicare?
Yes. Sean Calhoun 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 organizations bill Medicare for Sean Calhoun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Calhoun reassigns Medicare benefits to 5 organizations: Ancillary Services Of Practice Associates PA (Morristown, NJ), Atlantic Advanced Urgent Care (Morristown, NJ), Atlantic Urgent Care, LLC (Newton, NJ), Immediate Care Medical Walk-In Of Hazlet, PA (Hazlet, NJ) and Urgent Care Physicians Of New Jersey, LLC (Red Bank, NJ). Each 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 Sean Calhoun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sean Calhoun affiliated with any hospitals?
According to CMS data, Sean Calhoun is affiliated with Morristown Medical Center, Chilton Medical Center, Newton Medical Center, Centrastate Medical Center and Hackettstown Medical Center.
When was this NPI record last updated?
The NPPES record for Sean Calhoun was last updated on December 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.