Quick answers
- Which hospitals does Karl K. Ng work at?
- Medicare's official clinician data lists Karl K. Ng at 1 hospital: Putnam Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karl K. Ng see patients?
- Medicare's clinician data lists 2 practice locations, including Carmel, NY and Mahopac, NY. Call before your visit to confirm the address.
- What is Karl K. Ng's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Karl K. Ng accept Medicare assignment?
- Yes. Medicare's clinician data says Karl K. Ng 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 Karl K. Ng offer telehealth?
- Medicare's clinician data says Karl K. Ng offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Karl K. Ng?
- (845) 228-2910, as listed in official Medicare / NPI Registry data.
- What is Karl K. Ng's NPI number?
- 1619553203. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karl K. Ng works
Medicare's Facility Affiliation Data lists Karl K. Ng at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Putnam Hospital CenterCarmel, NY · Acute Care Hospital · CCN 330273
Practice locations
Addresses where Karl K. Ng is enrolled with Medicare (CMS data updated 2026-10-02).
- 150 Route 52Carmel, NY 10512 (845) 228‑2910
- 979 Route 6Mahopac, NY 10541 (845) 230‑2382
Group practices
Medicare enrollment lists Karl K. Ng as a member of this group (CMS data updated 2026-10-02).
- Nuvance Health Medical Practice PC595 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Carmel
Clinicians with the same Medicare primary specialty in Carmel, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1619553203 |
| 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