Quick answers
- Which hospitals does Derek J. Chong work at?
- Medicare's official clinician data lists Derek J. Chong at 3 hospitals: Lenox Hill Hospital, Northern Westchester Hospital and Phelps Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Derek J. Chong see patients?
- Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
- What is Derek J. Chong's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Derek J. Chong accept Medicare assignment?
- Yes. Medicare's clinician data says Derek J. Chong 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 Derek J. Chong offer telehealth?
- Medicare's clinician data says Derek J. Chong offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Derek J. Chong?
- (212) 343-3900, as listed in official Medicare / NPI Registry data.
- What is Derek J. Chong's NPI number?
- 1669412011. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Derek J. Chong works
Medicare's Facility Affiliation Data lists Derek J. Chong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lenox Hill HospitalNew York, NY · Acute Care Hospital · CCN 330119
- Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · CCN 330162
- Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · CCN 330261
Practice locations
Addresses where Derek J. Chong is enrolled with Medicare (CMS data updated 2026-10-02).
- 130 E 77th St, 13th FloorNew York, NY 10075 (212) 343‑3900
Group practices
Medicare enrollment lists Derek J. Chong as a member of this group (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1669412011 |
| 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