Quick answers
- Does Chelsea D'Ascanio accept Medicare assignment?
- Medicare's clinician data says Chelsea D'Ascanio may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Chelsea D'Ascanio see?
- In 2024, CMS data shows 95 Original Medicare patients and 101 services for Chelsea D'Ascanio. This counts Original Medicare only and measures volume, not quality.
- What is Chelsea D'Ascanio's NPI number?
- 1124597257. 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 Chelsea D'Ascanio, 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 | 95 |
|---|---|
| Services billed to Medicare | 101 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Anesthesia for other procedure on large bowel using an endoscope (00811)33 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)15 services
- Anesthesia for total hip replacement (01214)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 cholesterol75%
- High blood pressure63%
- Arthritis44%
- Anxiety27%
- Depression24%
- Diabetes22%
Hospitals where Chelsea D'Ascanio works
Medicare's Facility Affiliation Data lists Chelsea D'Ascanio 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.
- Mount Auburn HospitalCambridge, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220002
- New England Baptist HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 220088
Practice locations
Addresses where Chelsea D'Ascanio is enrolled with Medicare (CMS data updated October 2, 2026).
- 125 Parker Hill AveBoston, MA 02120 (781) 453‑7300
- 330 Mount Auburn StCambridge, MA 02138 (781) 453‑7300
- 99 Libbey Industrial ParkWeymouth, MA 02189 (781) 331‑0537
Group practices
Medicare enrollment lists Chelsea D'Ascanio as a member of these groups (CMS data updated October 2, 2026).
- Associated Physicians of Harvard Medical Faculty Physicians at Beth Is565 clinicians in the group
- Capa Anesthesia LLC70 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Massachusetts →
Other nurse anesthetists in Boston
Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.
Other clinicians in Associated Physicians of Harvard Medical Faculty Physicians at Beth Is
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2012 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1124597257 |
| 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