Quick answers
- Does Christine L. Tam accept Medicare assignment?
- Yes. Medicare's clinician data says Christine L. Tam 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 Christine L. Tam's NPI number?
- 1336590421. 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 Christine L. Tam is enrolled with Medicare (CMS data updated October 2, 2026).
- 4644 Merrick RdMassapequa, NY 11758 (516) 900‑1222
Group practices
Medicare enrollment lists Christine L. Tam as a member of this group (CMS data updated October 2, 2026).
- Shore Vision Ltd4 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Massapequa
Clinicians with the same Medicare primary specialty in Massapequa, NY — not a recommendation.
Other clinicians in Shore Vision Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | State University Of New York - State College Optometry |
| Graduation year | 2016 (10 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336590421 |
| 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 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