Quick answers
- Does Andrea B. Nisonson accept Medicare assignment?
- Yes. Medicare's clinician data says Andrea B. Nisonson 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 B. Nisonson see?
- In 2024, CMS data shows 90 Original Medicare patients and 92 services for Andrea B. Nisonson. This counts Original Medicare only and measures volume, not quality.
- What is Andrea B. Nisonson's NPI number?
- 1962549626. 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 B. Nisonson, 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 | 90 |
|---|---|
| Services billed to Medicare | 92 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Anesthesia for other procedure on skin of arms, legs, and front body (00400)34 services
- Anesthesia for procedure on nerves, muscles, tendons, fascia, and bursae of shoulder and underarm (01610)13 services
- Anesthesia for other procedure on nose and sinuses (00160)11 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 cholesterol74%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)48%
- Arthritis40%
- Anxiety31%
- Osteoporosis22%
Hospitals where Andrea B. Nisonson works
Medicare's Facility Affiliation Data lists Andrea B. Nisonson 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.
- Prisma Health Patewood HospitalGreenville, SC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 420102
Practice locations
Addresses where Andrea B. Nisonson is enrolled with Medicare (CMS data updated October 2, 2026).
- 67 Creekside Park CtGreenville, SC 29615 (864) 522‑3700
Group practices
Medicare enrollment lists Andrea B. Nisonson as a member of this group (CMS data updated October 2, 2026).
- Prisma Health University Medical Group2,493 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Greenville
Clinicians with the same Medicare primary specialty in Greenville, SC — not a recommendation.
Other clinicians in Prisma Health University Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Miami, Lm Miller School Of Medicine |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962549626 |
| 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