HILLEL J. KARP MD
NPI 1902851421
Radiology - Diagnostic Radiology in Maplewood, NJ

Active since May 23, 2006PECOS EnrolledAccepts Medicare Assignment
58.25/100
CMS Quality Rating
2130 MILLBURN AVENUE, MAPLEWOOD, NJ 07040(973) 912-0404(973) 912-0444 Get Directions Write a Review

NPPES record last updated: May 1, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hillel J. Karp Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HILLEL J. KARP MD (NPI 1902851421) is an individual diagnostic radiology provider in Maplewood, New Jersey, licensed in New Jersey (25MA03733100) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Jersey City Medical Center, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1975).

NPPES Registry Identity

NPI1902851421
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameHILLEL J. KARPCredential: MD
Location Address2130 MILLBURN AVENUEMaplewood, NJ 07040
Mailing Address2130 Millburn AvenueMaplewood, NJ 07040 · (973) 912-0404 · Fax (973) 912-0444
Fax(973) 912-0444
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1975
Enumeration DateMay 23, 2006
Last NPPES UpdateMay 1, 2008
✔ NPI 1902851421 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in NJ · 25MA03733100
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
2130 MILLBURN AVENUE, Maplewood, NJ 07040

Other Identifiers 7

Medicare PIN575814CQHNJ
Medicare PINP00141892NJ
Medicare PIN575814A2VNJ
Medicaid0556009NJ
Medicare UPIND09676
Medicare PINP00323001NJ
Medicare PIN575814UN4NJ

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

Hillel J. Karp 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.

PECOS PAC ID8820083819
PECOS Enrollment IDI20040804000026
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

7

Medicare enrollment records show Hillel Karp reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
94 OLD SHORT HILLS RD
Livingston, NJ 07039
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,913 clinicians in this Medicare group
Radiology
415 MORRIS AVENUE
Elizabeth, NJ 07208
  • Reassigned Medicare billing, New Jersey enrollment
  • 216 clinicians in this Medicare group
Hospitalist
1 ROBERT WOOD JOHNSON PL
New Brunswick, NJ 08901
  • Reassigned Medicare billing, New Jersey enrollment
  • 306 clinicians in this Medicare group
Diagnostic Radiology
10 PLUM ST
New Brunswick, NJ 08901
  • Reassigned Medicare billing, New Jersey enrollment
  • Medicare enrollment name: University Radiology At Robert Wood Johnson, LLC
  • 153 clinicians in this Medicare group
Diagnostic Radiology
483 CRANBURY RD
East Brunswick, NJ 08816
  • Reassigned Medicare billing, New Jersey enrollment
  • 239 clinicians in this Medicare group
Diagnostic Radiology
48 GILBERT STREET NORTH
Tinton Falls, NJ 07701
  • Reassigned Medicare billing, New Jersey enrollment
  • 217 clinicians in this Medicare group
Diagnostic Radiology
2100 CORLIES AVE
Neptune, NJ 07753
  • Reassigned Medicare billing, New Jersey enrollment
  • 222 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 36

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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
1,180 services613 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
180 services172 patients
X-ray of knee, 4 or more views 73564
An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
110 services75 patients
X-ray of hip, 2-3 views 73502
An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.
102 services86 patients
X-ray of foot, minimum of 3 views 73630
An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.
89 services64 patients
X-ray of shoulder, minimum of 2 views 73030
An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.
77 services62 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Jersey City Medical Center

Acute Care Hospitals · Jersey City, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310074
Location355 Grand StreetJersey City, NJ 07302 · Hudson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07040 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

58.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality56.39
Improvement Activities40
Cost40.79

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
100%471 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Surgery (Pediatric Surgery)
2130 MILLBURN AVENUE, PEDIATRIC SURGERY GROUP
MAPLEWOOD, NJ 07040
Social Worker
2130 MILLBURN AVENUE, SUITE D1
MAPLEWOOD, NJ 07040
Radiology (Diagnostic Radiology)
2130 MILLBURN AVENUE
MAPLEWOOD, NJ 07040
Radiology (Diagnostic Radiology)
2130 MILLBURN AVENUE
MAPLEWOOD, NJ 07040
Counselor
2130 MILLBURN AVENUE, SUITE D-1
MAPLEWOOD, NJ 07040
Surgery (Pediatric Surgery)
2130 MILLBURN AVENUE, SUITE C-1
MAPLEWOOD, NJ 07040
Radiology (Diagnostic Radiology)
2130 MILLBURN AVENUE
MAPLEWOOD, NJ 07040

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 Hillel Karp's NPI number?

The NPI number for Hillel Karp is 1902851421. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is Hillel Karp located?

Hillel Karp practices at 2130 Millburn Avenue, Maplewood, NJ 07040. The listed phone number is (973) 912-0404.

What is Hillel Karp's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Hillel Karp enrolled in Medicare?

Yes. Hillel Karp 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 Hillel Karp's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hillel Karp reassigns Medicare benefits to 7 organizations: Rwjbh Observation Associates LLC (Livingston, NJ), University Radiology At Trinitas, LLC (Elizabeth, NJ), Robert Wood Johnson Medical Associates (New Brunswick, NJ), Rwjuh Imaging At Plum Street, LLC (New Brunswick, NJ), University Radiology Group, LLC (East Brunswick, NJ) and 2 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 Hillel Karp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Hillel Karp affiliated with any hospitals?

According to CMS data, Hillel Karp is affiliated with Jersey City Medical Center.

When was this NPI record last updated?

The NPPES record for Hillel Karp was last updated on May 1, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.