Quick answers
- Where does Christopher E. Grieco see patients?
- Medicare's clinician data lists 1 practice location in Oyster Bay, NY. Call before your visit to confirm the address.
- What is Christopher E. Grieco's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Christopher E. Grieco accept Medicare assignment?
- Medicare's clinician data says Christopher E. Grieco may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Christopher E. Grieco?
- (516) 384-9032, as listed in official Medicare / NPI Registry data.
- What is Christopher E. Grieco's NPI number?
- 1598831497. 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 E. Grieco is enrolled with Medicare (CMS data updated 2026-10-02).
- 212 S StOyster Bay, NY 11771 (516) 384‑9032
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | PSY |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1598831497 |
| 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