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Internal Medicine

Derek Essegian, MD

Works at hospitals in Saratoga Springs, NY · New York

Summary

Derek Essegian, MD (Internal Medicine) is listed by Medicare at 1 hospital in Saratoga Springs, NY. NPI 1588308779. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Derek Essegian, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
4Years since medical school (graduated 2022)
MaleGender (as listed)
Florida Medical Specialists LLCGroup practice

Quick answers

Which hospitals does Derek Essegian work at?
Medicare's official clinician data lists Derek Essegian at 1 hospital: Saratoga Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Derek Essegian see patients?
Medicare's clinician data lists 1 practice location in North Port, FL. Call before your visit to confirm the address.
What is Derek Essegian's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Derek Essegian accept Medicare assignment?
Yes. Medicare's clinician data says Derek Essegian 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 Derek Essegian?
(941) 423-1111, as listed in official Medicare / NPI Registry data.
What is Derek Essegian's NPI number?
1588308779. 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 Essegian works

Medicare's Facility Affiliation Data lists Derek Essegian at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Derek Essegian is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Derek Essegian as a member of this group (CMS data updated 2026-10-02).

  • Florida Medical Specialists LLC123 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in North Port

Clinicians with the same Medicare primary specialty in North Port, FL — not a recommendation.

All internal medicine doctors in North Port →

Clinician information

CredentialMD
Graduation year2022
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588308779
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians