Quick answers
- Which hospitals does John Hwang work at?
- Medicare's official clinician data lists John Hwang at 2 hospitals: Englewood Hospital and Medical Center and Hackensack University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Hwang see patients?
- Medicare's clinician data lists 1 practice location in Harrington Park, NJ. Call before your visit to confirm the address.
- What is John Hwang's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John Hwang accept Medicare assignment?
- Yes. Medicare's clinician data says John Hwang 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 John Hwang offer telehealth?
- Medicare's clinician data says John Hwang offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John Hwang?
- (201) 784-0123, as listed in official Medicare / NPI Registry data.
- What is John Hwang's NPI number?
- 1457349177. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Hwang works
Medicare's Facility Affiliation Data lists John Hwang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Englewood Hospital and Medical CenterEnglewood, NJ · Acute Care Hospital · CCN 310045
- Hackensack University Medical CenterHackensack, NJ · Acute Care Hospital · CCN 310001
Practice locations
Addresses where John Hwang is enrolled with Medicare (CMS data updated 2026-10-02).
- 24 Elm St, Suite 203Harrington Park, NJ 07640 (201) 784‑0123
Group practices
Medicare enrollment lists John Hwang as a member of this group (CMS data updated 2026-10-02).
- Medical Associates of Englewood PC540 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Harrington Park
Clinicians with the same Medicare primary specialty in Harrington Park, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1457349177 |
| 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