Quick answers
- Does Caroline M. Greenberg accept Medicare assignment?
- Yes. Medicare's clinician data says Caroline M. Greenberg accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Caroline M. Greenberg see?
- In 2024, CMS data shows 1,303 Original Medicare patients and 5,353 services for Caroline M. Greenberg. This counts Original Medicare only and measures volume, not quality.
- What is Caroline M. Greenberg's NPI number?
- 1104808310. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Caroline M. Greenberg, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,303 |
|---|---|
| Services billed to Medicare | 5,353 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection, gadoterate meglumine, 0.1 ml (A9575)2,500 services
- Screening 3d breast mammography (77063)789 services
- Screening mammography (77067)787 services
- Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)337 services
- Limited ultrasound scan of 1 breast (76642)232 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure59%
- Arthritis38%
- Osteoporosis27%
- Diabetes21%
- Anxiety21%
Hospitals where Caroline M. Greenberg works
Medicare's Facility Affiliation Data lists Caroline M. Greenberg at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Hunterdon Medical CenterFlemington, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 310005
- Robert Wood Johnson University HospitalNew Brunswick, NJ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 310038
- Saint Peter's University HospitalNew Brunswick, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310070
Practice locations
Addresses where Caroline M. Greenberg is enrolled with Medicare (CMS data updated October 2, 2026).
- 2100 Wescott DrFlemington, NJ 08822 (732) 390‑0040
- 483 Cranbury RdEast Brunswick, NJ 08816
- 75 Veronica AveSomerset, NJ 08873 (732) 246‑0060
Group practices
Medicare enrollment lists Caroline M. Greenberg as a member of these groups (CMS data updated October 2, 2026).
- University Radiology Group LLC239 clinicians in the group
- Flemington Radiology Associates LLC70 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Flemington
Clinicians with the same Medicare primary specialty in Flemington, NJ — not a recommendation.
Other clinicians in University Radiology Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104808310 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians