Quick answers
- Where does Christopher M. Leahy see patients?
- Medicare's clinician data lists 6 practice locations, including Worcester, MA, Chelmsford, MA and Hudson, MA. Call before your visit to confirm the address.
- What is Christopher M. Leahy's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Christopher M. Leahy accept Medicare assignment?
- Yes. Medicare's clinician data says Christopher M. Leahy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Christopher M. Leahy?
- (508) 363-5000, as listed in official Medicare / NPI Registry data.
- What is Christopher M. Leahy's NPI number?
- 1023049525. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Christopher M. Leahy is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 123 Summer StWorcester, MA 01608 (508) 363‑5000
- 228 Billerica RdChelmsford, MA 01824 (978) 250‑6000
- 234 Washington StHudson, MA 01749 (508) 595‑2700
- 24 Newton StSouthborough, MA 01772 (508) 486‑4472
- 241 N Main StLeominster, MA 01453 (508) 595‑2700
Group practices
Medicare enrollment lists Christopher M. Leahy as a member of these groups (CMS data updated 2026-10-02).
- Atrius Health Inc1,222 clinicians in the group
- Reliant Medical Group Inc640 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Worcester
Clinicians with the same Medicare primary specialty in Worcester, MA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023049525 |
| 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
- 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