Quick answers
- Does Andrew S. Greenberg accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew S. 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 Andrew S. Greenberg see?
- In 2024, CMS data shows 374 Original Medicare patients and 3,341 services for Andrew S. Greenberg. This counts Original Medicare only and measures volume, not quality.
- What is Andrew S. Greenberg's NPI number?
- 1548286339. 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 Andrew S. 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 | 374 |
|---|---|
| Services billed to Medicare | 3,341 |
| Different services or procedures | 39 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)1,178 services
- Radiation treatment management, 5 treatment sessions (77427)393 services
- Calculation of radiation therapy dose (77300)342 services
- Design and construction of complex radiation treatment device (77334)329 services
- Complex radiation therapy planning (77263)125 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High blood pressure74%
- Arthritis39%
- Ischemic heart disease29%
- Diabetes27%
Hospitals where Andrew S. Greenberg works
Medicare's Facility Affiliation Data lists Andrew S. 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.
- CarePoint Health - Bayonne Medical CenterBayonne, NJ · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: not listed by Medicare · CCN 310025
- Centrastate Medical CenterFreehold, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310111
- Hunterdon Medical CenterFlemington, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 310005
- University Medical Center of Princeton at PlainsboroPlainsboro, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310010
Practice locations
Addresses where Andrew S. Greenberg is enrolled with Medicare (CMS data updated October 2, 2026).
- 103 Cedar Grove LnSomerset, NJ 08873 (732) 357‑2600
- 1201 Langhorne Newtown RdLanghorne, PA 19047 (732) 390‑7750
- 2100 Wescott DrFlemington, NJ 08822 (908) 237‑1201
- 9 Centre Dr, Suite 115Monroe Township, NJ 08831 (732) 390‑7750
Group practices
Medicare enrollment lists Andrew S. Greenberg as a member of these groups (CMS data updated October 2, 2026).
- Titan Health Partners LLC99 clinicians in the group
- Princeton Procure Management, LLC17 clinicians in the group
- Hunterdon Hematology Oncology, LLC7 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Somerset
Clinicians with the same Medicare primary specialty in Somerset, NJ — not a recommendation.
Other clinicians in Titan Health Partners LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548286339 |
| 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