Quick answers
- Which hospitals does John Cintron Hernandez work at?
- Medicare's official clinician data lists John Cintron Hernandez at 1 hospital: Flushing Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Cintron Hernandez see patients?
- Medicare's clinician data lists 2 practice locations, including Flushing, NY. Call before your visit to confirm the address.
- What is John Cintron Hernandez's specialty?
- Medicare lists Addiction Medicine as the primary specialty.
- Does John Cintron Hernandez accept Medicare assignment?
- Yes. Medicare's clinician data says John Cintron Hernandez 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.
- What is the phone number for John Cintron Hernandez?
- (718) 670-5562, as listed in official Medicare / NPI Registry data.
- What is John Cintron Hernandez's NPI number?
- 1780146910. 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 Cintron Hernandez works
Medicare's Facility Affiliation Data lists John Cintron Hernandez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Flushing Hospital Medical CenterFlushing, NY · Acute Care Hospital · CCN 330193
Practice locations
Addresses where John Cintron Hernandez is enrolled with Medicare (CMS data updated 2026-10-02).
- 14601 45th AveFlushing, NY 11355 (718) 670‑5562
- 4500 Parsons BlvdFlushing, NY 11355 (718) 670‑5486
Group practices
Medicare enrollment lists John Cintron Hernandez as a member of this group (CMS data updated 2026-10-02).
- Flushing Hospital and Medical Center61 clinicians in the group
Specialties
- Addiction Medicineprimary
Other addiction medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780146910 |
| 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