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General Surgery

John Mecenas, MD

Works at hospitals in Ithaca, NY · New York

Summary

John Mecenas, MD (General Surgery) is listed by Medicare at 1 hospital in Ithaca, NY. NPI 1821090036. 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 John Mecenas, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
Icahn School Of Medicine At Mount SinaiMedical school
MaleGender (as listed)
Cayuga Medical Associates PCGroup practice

Quick answers

Which hospitals does John Mecenas work at?
Medicare's official clinician data lists John Mecenas at 1 hospital: Cayuga Medical Center at Ithaca. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John Mecenas see patients?
Medicare's clinician data lists 1 practice location in Cortland, NY. Call before your visit to confirm the address.
What is John Mecenas's specialty?
Medicare lists General Surgery as the primary specialty.
Does John Mecenas accept Medicare assignment?
Yes. Medicare's clinician data says John Mecenas 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 Mecenas?
(607) 428-8004, as listed in official Medicare / NPI Registry data.
What is John Mecenas's NPI number?
1821090036. 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 Mecenas works

Medicare's Facility Affiliation Data lists John Mecenas 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 John Mecenas is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Cayuga Medical Associates PC282 clinicians in the group

Specialties

Find other General Surgery doctors in New York →

Other general surgeons in Cortland

Clinicians with the same Medicare primary specialty in Cortland, NY — not a recommendation.

All general surgeons in Cortland →

Clinician information

CredentialMD
Medical schoolIcahn School Of Medicine At Mount Sinai
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821090036
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