Quick answers
- Does Alissa Siciliano accept Medicare assignment?
- Yes. Medicare's clinician data says Alissa Siciliano 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 Alissa Siciliano see?
- In 2024, CMS data shows 493 Original Medicare patients and 7,916 services for Alissa Siciliano. This counts Original Medicare only and measures volume, not quality.
- What is Alissa Siciliano's NPI number?
- 1104048362. 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 Alissa Siciliano, 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 | 493 |
|---|---|
| Services billed to Medicare | 7,916 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Bcg live intravesical instillation, 1 mg (J9030)1,303 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)253 services
- Manual urinalysis test with examination using microscope, automated (81001)239 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)216 services
- Ultrasound measurement of bladder capacity after voiding (51798)199 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%
- Arthritis52%
- Anxiety35%
- Ischemic heart disease33%
- Chronic kidney disease33%
Hospitals where Alissa Siciliano works
Medicare's Facility Affiliation Data lists Alissa Siciliano 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.
- South Shore HospitalSouth Weymouth, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220100
Practice locations
Addresses where Alissa Siciliano is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 118 Long Pond RdPlymouth, MA 02360 (774) 773‑9976
- 141 Longwater Dr, Suite 201Norwell, MA 02061
- 143 Longwater DrNorwell, MA 02061 (781) 878‑5200
- 1495 Hancock StQuincy, MA 02169 (781) 878‑5200
- 5 Tarkiln RdKingston, MA 02364 (781) 585‑2200
Group practices
Medicare enrollment lists Alissa Siciliano as a member of this group (CMS data updated October 2, 2026).
- South Shore Medical Center, Inc.175 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Plymouth
Clinicians with the same Medicare primary specialty in Plymouth, MA — not a recommendation.
Other clinicians in South Shore Medical Center, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1104048362 |
| 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