Quick answers
- Does Andrea R. Mazzei accept Medicare assignment?
- Yes. Medicare's clinician data says Andrea R. Mazzei 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 Andrea R. Mazzei see?
- In 2024, CMS data shows 97 Original Medicare patients and 98 services for Andrea R. Mazzei. This counts Original Medicare only and measures volume, not quality.
- What is Andrea R. Mazzei's NPI number?
- 1033723218. 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 Andrea R. Mazzei, 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 | 97 |
|---|---|
| Services billed to Medicare | 98 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Anesthesia for other procedure on lower abdomen (00840)14 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%
- Arthritis57%
- Chronic kidney disease37%
- Diabetes36%
- Anxiety35%
Hospitals where Andrea R. Mazzei works
Medicare's Facility Affiliation Data lists Andrea R. Mazzei 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.
- Jefferson Stratford HospitalStratford, NJ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 310086
Practice locations
Addresses where Andrea R. Mazzei is enrolled with Medicare (CMS data updated October 2, 2026).
- 445 Hurffville Crosskeys Rd, Suite B16Sewell, NJ 08080 (856) 256‑7591
- 655 Shrewsbury AveShrewsbury, NJ 07702 (732) 450‑6000
Group practices
Medicare enrollment lists Andrea R. Mazzei as a member of these groups (CMS data updated October 2, 2026).
- Shrewsbury Ambulatory Anesthesia LLC141 clinicians in the group
- Methodist Associates in Healthcare of New Jersey, P.C.140 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), New Jersey →
Other nurse anesthetists in Sewell
Clinicians with the same Medicare primary specialty in Sewell, NJ — not a recommendation.
Other clinicians in Shrewsbury Ambulatory Anesthesia LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033723218 |
| 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