Quick answers
- Does Caitlin Grahn accept Medicare assignment?
- Yes. Medicare's clinician data says Caitlin Grahn 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.
- What is Caitlin Grahn's NPI number?
- 1912749201. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Caitlin Grahn works
Medicare's Facility Affiliation Data lists Caitlin Grahn 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 Caitlin Grahn is enrolled with Medicare (CMS data updated October 2, 2026).
- 2 Pond Park Rd, Suite 102Hingham, MA 02043 (781) 337‑5555
- 360 Brockton Ave, Suite 101Abington, MA 02351 (781) 337‑5555
Group practices
Medicare enrollment lists Caitlin Grahn as a member of these groups (CMS data updated October 2, 2026).
- Northeast Orthopaedic Alliance PLLC291 clinicians in the group
- South Shore Orthopedics LLC36 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Hingham
Clinicians with the same Medicare primary specialty in Hingham, MA — not a recommendation.
Other clinicians in Northeast Orthopaedic Alliance PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2024 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912749201 |
| 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
- 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