Quick answers
- Which hospitals does Mary L. McHam work at?
- Medicare's official clinician data lists Mary L. McHam at 1 hospital: South Shore Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary L. McHam see patients?
- Medicare's clinician data lists 2 practice locations, including Plymouth, MA and Boston, MA. Call before your visit to confirm the address.
- What is Mary L. McHam's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Mary L. McHam accept Medicare assignment?
- Yes. Medicare's clinician data says Mary L. McHam 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 Mary L. McHam?
- (508) 833-6000, as listed in official Medicare / NPI Registry data.
- What is Mary L. McHam's NPI number?
- 1922055664. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary L. McHam works
Medicare's Facility Affiliation Data lists Mary L. McHam at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- South Shore HospitalSouth Weymouth, MA · Acute Care Hospital · CCN 220100
Practice locations
Addresses where Mary L. McHam is enrolled with Medicare (CMS data updated 2026-10-02).
- 146 Industrial Park RdPlymouth, MA 02360 (508) 833‑6000
- 50 Staniford St, Suite 600Boston, MA 02114 (617) 367‑4800
Group practices
Medicare enrollment lists Mary L. McHam as a member of this group (CMS data updated 2026-10-02).
- Ophthalmic Consultants of Boston Inc68 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Plymouth
Clinicians with the same Medicare primary specialty in Plymouth, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 1989 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922055664 |
| 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