Quick answers
- Where does Karl Deratus see patients?
- Medicare's clinician data lists 3 practice locations, including Jamaica, NY and Flushing, NY. Call before your visit to confirm the address.
- What is Karl Deratus's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Karl Deratus accept Medicare assignment?
- Yes. Medicare's clinician data says Karl Deratus 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 Karl Deratus?
- (718) 525-5600, as listed in official Medicare / NPI Registry data.
- What is Karl Deratus's NPI number?
- 1154331478. 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 Karl Deratus is enrolled with Medicare (CMS data updated 2026-10-02).
- 16927 137th AveJamaica, NY 11434 (718) 525‑5600
- 16959 137th AveJamaica, NY 11434 (718) 525‑5600
- 4161 Kissena BlvdFlushing, NY 11355 (718) 670‑6400
Group practices
Medicare enrollment lists Karl Deratus as a member of this group (CMS data updated 2026-10-02).
- Advantagecare Physicians PC303 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Jamaica
Clinicians with the same Medicare primary specialty in Jamaica, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers R W Johnson Medical School (cam/new Bruns/pisc) |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154331478 |
| 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