Quick answers
- Where does Grace H. An see patients?
- Medicare's clinician data lists 1 practice location in Riverhead, NY. Call before your visit to confirm the address.
- What is Grace H. An's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Grace H. An accept Medicare assignment?
- Yes. Medicare's clinician data says Grace H. An 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.
- Does Grace H. An offer telehealth?
- Medicare's clinician data says Grace H. An offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Grace H. An?
- (631) 548-6000, as listed in official Medicare / NPI Registry data.
- What is Grace H. An's NPI number?
- 1952984569. 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 Grace H. An is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Heroes WayRiverhead, NY 11901 (631) 548‑6000
Group practices
Medicare enrollment lists Grace H. An as a member of this group (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Riverhead
Clinicians with the same Medicare primary specialty in Riverhead, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1952984569 |
| 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