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CAROLINE M GREENBERG MD
NPI 1104808310
Radiology - Diagnostic Radiology in East Brunswick, NJ

Active since November 15, 2005PECOS EnrolledAccepts Medicare Assignment
89.97/100
CMS Quality Rating
579A CRANBURY RD, EAST BRUNSWICK, NJ 08816(732) 390-0040(732) 390-1856 Get Directions Write a Review

NPPES record last updated: January 6, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Caroline M Greenberg Md NPPES

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

CAROLINE M GREENBERG MD (NPI 1104808310) is an individual diagnostic radiology provider in East Brunswick, New Jersey, licensed in New Jersey (25MA06082800) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS, is affiliated with Hunterdon Medical Center, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1989).

NPPES Registry Identity

NPI1104808310
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameCAROLINE M GREENBERGCredential: MD
Location Address579A CRANBURY RDEast Brunswick, NJ 08816
Mailing Address579a Cranbury RdEast Brunswick, NJ 08816 · (732) 390-0040 · Fax (732) 390-1856
Phone(732) 390-0040
Fax(732) 390-1856
Sole ProprietorYes
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 1989
Enumeration DateNovember 15, 2005
Last NPPES UpdateJanuary 6, 2011
✔ NPI 1104808310 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 · 25MA06082800
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
579A CRANBURY RD, East Brunswick, NJ 08816
Open in Google Maps ↗

Other Identifiers 4

Medicare UPING22814
Medicaid6996507NJ
Medicaid02197051NY
Medicare PIN730147NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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

Caroline M Greenberg 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 ID2668455957
PECOS Enrollment IDI20040609000040
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

6

Medicare enrollment records show Caroline Greenberg reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Radiology Group, LLC
1.0 mi
Diagnostic Radiology
483 CRANBURY RD
East Brunswick, NJ 08816
  • Reassigned Medicare billing, New Jersey enrollment
  • 239 clinicians in this Medicare group
NPI 1154367803 (732) 390-0040
Rwjuh Imaging At Plum Street, LLC
5.9 mi
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
NPI 1710131677 (732) 249-4410
University Radiology-Atlantic, LLC
19 mi
Diagnostic Radiology
48 GILBERT STREET NORTH
Tinton Falls, NJ 07701
  • Reassigned Medicare billing, New Jersey enrollment
  • 217 clinicians in this Medicare group
NPI 1477802064 (732) 530-5750
University Radiology At Trinitas, LLC
21 mi
Radiology
415 MORRIS AVENUE
Elizabeth, NJ 07208
  • Reassigned Medicare billing, New Jersey enrollment
  • 216 clinicians in this Medicare group
NPI 1366526279 (908) 351-7600
Jersey Shore Imaging, LLC
24 mi
Diagnostic Radiology
2100 CORLIES AVE
Neptune, NJ 07753
  • Reassigned Medicare billing, New Jersey enrollment
  • 222 clinicians in this Medicare group
NPI 1538304019 (732) 988-1234
Flemington Radiology Associates, LLC
24 mi
Diagnostic Radiology
2100 WESTCOTT DR.
Flemington, NJ 08822
  • Reassigned Medicare billing, New Jersey enrollment
  • 89 clinicians in this Medicare group
NPI 1942816475 (732) 390-0040

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.

Injection, gadoterate meglumine, 0.1 ml A9575
Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.
2,500 services16 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
789 services789 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
787 services787 patients
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279
Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.
261 services245 patients
Limited ultrasound scan of 1 breast 76642
A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.
186 services176 patients
Diagnostic mammography of 1 breast 77065
Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.
163 services153 patients

Hospital Affiliations CMS Care Compare 3

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

Hunterdon Medical Center

Acute Care Hospitals · Flemington, NJ
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310005
Location2100 Wescott DriveFlemington, NJ 08822 · Hunterdon County
Birthing friendly

Robert Wood Johnson University Hospital

Acute Care Hospitals · New Brunswick, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310038
LocationOne Robert Wood Johnson PlaceNew Brunswick, NJ 08901 · Middlesex County
Emergency services Birthing friendly

Saint Peter's University Hospital

Acute Care Hospitals · New Brunswick, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310070
Location254 Easton AveNew Brunswick, NJ 08901 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08816 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.

89.97/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.2
Improvement Activities40

Reported Quality Measures

Radiology: Reminder System for Screening Mammograms
Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram
100%174 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 20

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

SALIM SAMUEL MD
Radiology (Neuroradiology)
579A CRANBURY RD, UNIVERSITY RADIOLOGY GROUP PC
EAST BRUNSWICK, NJ 08816
Middlesex County (732) 390-0040
DR. MARSHA KALLICH MD
Internal Medicine (Infectious Disease)
579A CRANBURY RD, SUITE 102
EAST BRUNSWICK, NJ 08816
Middlesex County (732) 613-0711
STEPHEN WILLIAM WARREN MD
Radiology (Diagnostic Radiology)
579A CRANBURY RD, UNIVERSITY RADIOLOGY GROUP PC
EAST BRUNSWICK, NJ 08816
Middlesex County (732) 390-0040
DOUGLAS MARK SOLONICK MD
Radiology (Diagnostic Radiology)
579A CRANBURY RD, UNIVERSITY RADIOLOGY GROUP PC
EAST BRUNSWICK, NJ 08816
Middlesex County (732) 390-0040
HARSHA JONNA MD
Radiology (Vascular & Interventional Radiology)
579A CRANBURY RD
EAST BRUNSWICK, NJ 08816
Middlesex County (732) 390-0040
WAHID GIRGIS M.D.
Radiology (Diagnostic Radiology)
579A CRANBURY RD
EAST BRUNSWICK, NJ 08816
Middlesex County (732) 390-0040
SAMAR J HAJJ M.D.
Nuclear Medicine
579A CRANBURY RD
EAST BRUNSWICK, NJ 08816
Middlesex County (732) 390-0040
LEONARD J BODNER MD
Radiology (Vascular & Interventional Radiology)
579A CRANBURY RD, UNIVERSITY RADIOLOGY GROUP PC
EAST BRUNSWICK, NJ 08816
Middlesex County (732) 390-0040

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 Caroline Greenberg's NPI number?

The NPI number for Caroline Greenberg is 1104808310. It was assigned to this individual provider in the NPPES registry on November 15, 2005.

Where is Caroline Greenberg located?

Caroline Greenberg practices at 579A Cranbury Rd, East Brunswick, NJ 08816. The listed phone number is (732) 390-0040.

What is Caroline Greenberg's specialty?

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

Is Caroline Greenberg enrolled in Medicare?

Yes. Caroline Greenberg 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 Caroline Greenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Greenberg reassigns Medicare benefits to 6 organizations: University Radiology Group, LLC (East Brunswick, NJ), Rwjuh Imaging At Plum Street, LLC (New Brunswick, NJ), University Radiology-Atlantic, LLC (Tinton Falls, NJ), University Radiology At Trinitas, LLC (Elizabeth, NJ), Jersey Shore Imaging, LLC (Neptune, NJ) and 1 more organization, 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 Caroline Greenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caroline Greenberg accept?

Health plans from Oscar Health list Caroline Greenberg 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 Caroline Greenberg affiliated with any hospitals?

According to CMS data, Caroline Greenberg is affiliated with Hunterdon Medical Center, Robert Wood Johnson University Hospital and Saint Peter's University Hospital.

When was this NPI record last updated?

The NPPES record for Caroline Greenberg was last updated on January 6, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.