Quick answers
- Which hospitals does Maria McPherson work at?
- Medicare's official clinician data lists Maria McPherson at 1 hospital: Columbia Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Maria McPherson see patients?
- Medicare's clinician data lists 1 practice location in Hudson, NY. Call before your visit to confirm the address.
- What is Maria McPherson's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Maria McPherson accept Medicare assignment?
- Yes. Medicare's clinician data says Maria McPherson 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 Maria McPherson?
- (518) 828-3391, as listed in official Medicare / NPI Registry data.
- What is Maria McPherson's NPI number?
- 1659374809. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maria McPherson works
Medicare's Facility Affiliation Data lists Maria McPherson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Columbia Memorial HospitalHudson, NY · Acute Care Hospital · CCN 330094
Practice locations
Addresses where Maria McPherson is enrolled with Medicare (CMS data updated 2026-10-02).
- 820 Union St, Fl 1Hudson, NY 12534 (518) 828‑3391
Group practices
Medicare enrollment lists Maria McPherson as a member of this group (CMS data updated 2026-10-02).
- Maria McPherson MD Jonathan Freilich MD David Freilich MD PLLC6 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Hudson
Clinicians with the same Medicare primary specialty in Hudson, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659374809 |
| 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