Quick answers
- Does Alexandra Greenberg accept Medicare assignment?
- Yes. Medicare's clinician data says Alexandra 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 Alexandra Greenberg see?
- In 2024, CMS data shows 945 Original Medicare patients and 1,912 services for Alexandra Greenberg. This counts Original Medicare only and measures volume, not quality.
- What is Alexandra Greenberg's NPI number?
- 1063852101. 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 Alexandra 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 | 945 |
|---|---|
| Services billed to Medicare | 1,912 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)474 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)328 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)151 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)145 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)139 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 blood pressure75%
- High cholesterol75%
- Arthritis62%
- Ischemic heart disease46%
- Diabetes40%
- Anxiety39%
Hospitals where Alexandra Greenberg works
Medicare's Facility Affiliation Data lists Alexandra 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.
- Community Medical CenterToms River, NJ · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 310041
- JFK University Medical CenterEdison, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310108
- Ocean Medical CenterBrick, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310052
- Southern Ocean Medical CenterManahawkin, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310113
Practice locations
Addresses where Alexandra Greenberg is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 1944 Route 33Neptune, NJ 07753 (732) 776‑3787
- 1944 Route 33, Suite 203Neptune, NJ 07753 (732) 613‑9144
- 1945 Route 33Neptune, NJ 07753
- 27 S Cooks Bridge Rd, Suite 2 17Jackson, NJ 08527 (732) 840‑0067
- 30 Prospect AveHackensack, NJ 07601
Group practices
Medicare enrollment lists Alexandra Greenberg as a member of these groups (CMS data updated October 2, 2026).
- Hackensack Meridian Health Medical Group - Specialty Care PC1,922 clinicians in the group
- Allied Digestive Health LLC286 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Neptune
Clinicians with the same Medicare primary specialty in Neptune, NJ — not a recommendation.
Other clinicians in Hackensack Meridian Health Medical Group - Specialty Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Erie |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1063852101 |
| 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