DR. JOSEPH CHRISTOPHER DEMARCO D.O.
NPI 1528329158
Radiology - Vascular & Interventional Radiology in Florham Park, NJ
About Dr. Joseph Christopher Demarco D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH CHRISTOPHER DEMARCO D.O. (NPI 1528329158) is an individual vascular & interventional radiology provider in Florham Park, New Jersey, licensed in New Jersey (25MB10294600) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, is affiliated with Valley Hospital, and maintains a secondary practice location in Pompton Plains.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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
Dr. Joseph Christopher Demarco 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
29Medicare enrollment records show Joseph Demarco reassigns Medicare billing to 29 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
- 41 clinicians in this Medicare group
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: Richard J Claps MD & Associates PA
- 53 clinicians in this Medicare group
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 137 clinicians in this Medicare group
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 1,913 clinicians in this Medicare group
Berkeley Heights, NJ 07922
- Reassigned Medicare billing, New Jersey enrollment
- 1,184 clinicians in this Medicare group
Denville, NJ 07834
- Reassigned Medicare billing, New Jersey enrollment
- 49 clinicians in this Medicare group
Millburn, NJ 07041
- Reassigned Medicare billing, New Jersey enrollment
- 48 clinicians in this Medicare group
West Orange, NJ 07052
- Reassigned Medicare billing, New Jersey enrollment
- 50 clinicians in this Medicare group
East Orange, NJ 07018
- Reassigned Medicare billing, New Jersey enrollment
- 45 clinicians in this Medicare group
Elizabeth, NJ 07202
- Reassigned Medicare billing, New Jersey enrollment
- 1,894 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 17
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Valley Hospital
Acute Care Hospitals · Paramus, NJChilton Medical Center
Acute Care Hospitals · Pompton Plains, NJGood Samaritan Hospital Of Suffern
Acute Care Hospitals · Suffern, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07932 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
FLORHAM PARK, NJ 07932
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 Joseph Demarco's NPI number?
The NPI number for Joseph Demarco is 1528329158. It was assigned to this individual provider in the NPPES registry on May 30, 2012.
Where is Joseph Demarco located?
Joseph Demarco practices at 150 Park Ave, Florham Park, NJ 07932. The listed phone number is (734) 372-6009.
What is Joseph Demarco's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Joseph Demarco enrolled in Medicare?
Yes. Joseph Demarco 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 Joseph Demarco's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Demarco reassigns Medicare benefits to 29 organizations: 95 Madison Imaging Center At Morristown Inc (Morristown, NJ), Richard J Claps M.D. & Associates P.A. (Morristown, NJ), Ancillary Services Of Practice Associates PA (Morristown, NJ), Rwjbh Observation Associates LLC (Livingston, NJ), Summit Medical Group PA (Berkeley Heights, NJ) and 24 more organizations, listed in the Medicare section above. 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 Joseph Demarco's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Demarco accept?
Health plans from Oscar Health list Joseph Demarco 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 Joseph Demarco affiliated with any hospitals?
According to CMS data, Joseph Demarco is affiliated with Valley Hospital, Chilton Medical Center and Good Samaritan Hospital Of Suffern.
When was this NPI record last updated?
The NPPES record for Joseph Demarco was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days 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.
# Dr. Joseph Christopher Demarco, D.O. · NPI 1528329158
Vascular & Interventional Radiology physician in Florham Park, New Jersey. Individual provider, active in the CMS NPPES registry since May 30, 2012.
## Identity
- **NPI:** 1528329158 (Entity type: Individual)
- **Enumerated:** May 30, 2012
- **Primary specialty:** Radiology - Vascular & Interventional Radiology · taxonomy 2085R0204X
- **State license:** 25MB10294600 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 150 PARK AVE, Florham Park, NJ 07932
- **Phone:** (734) 372-6009 · **Fax:** (973) 660-1838
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 29 organizations under Medicare reassignment (form CMS-855R): 95 Madison Imaging Center At Morristown Inc (NPI 1356692925, Morristown, NJ); Richard J Claps M.D. & Associates P.A. (NPI 1699857664, Morristown, NJ); Ancillary Services Of Practice Associates PA (NPI 1144858408, Morristown, NJ); Rwjbh Observation Associates LLC (NPI 1760095806, Livingston, NJ); Summit Medical Group PA (NPI 1942254347, Berkeley Heights, NJ); and 24 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 2012
## Record status
- **NPPES last updated:** September 3, 2026
- **Other identifiers:** Medicaid 04683749 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1528329158) · Data from the CMS NPPES public registry.