Quick answers
- Which hospitals does Xinyun Li work at?
- Medicare's official clinician data lists Xinyun Li at 1 hospital: Massachusetts General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Xinyun Li see patients?
- Medicare's clinician data lists 3 practice locations, including Marblehead, MA and Boston, MA. Call before your visit to confirm the address.
- What is Xinyun Li's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Xinyun Li accept Medicare assignment?
- Medicare's clinician data says Xinyun Li may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Xinyun Li?
- (781) 908-0730, as listed in official Medicare / NPI Registry data.
- What is Xinyun Li's NPI number?
- 1558859033. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Xinyun Li works
Medicare's Facility Affiliation Data lists Xinyun Li at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · CCN 220071
Practice locations
Addresses where Xinyun Li is enrolled with Medicare (CMS data updated 2026-10-02).
- 10 Atlantic Ave, Suite 24Marblehead, MA 01945 (781) 908‑0730
- 185 Devonshire St, Suite 902Boston, MA 02110 (781) 908‑0730
- 55 Fruit StBoston, MA 02114 (617) 724‑0287
Group practices
Medicare enrollment lists Xinyun Li as a member of these groups (CMS data updated 2026-10-02).
- Massachusetts General Physicians Organization Inc3,558 clinicians in the group
- Mindwell Mental Health PLLC2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Marblehead
Clinicians with the same Medicare primary specialty in Marblehead, MA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1558859033 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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