Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Jeffrey C. Constantine, MD

Works at hospitals in Buffalo, NY · New York

Summary

Jeffrey C. Constantine, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Buffalo, NY. NPI 1467431429. 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 Jeffrey C. Constantine, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
MaleGender (as listed)

Quick answers

Which hospitals does Jeffrey C. Constantine work at?
Medicare's official clinician data lists Jeffrey C. Constantine at 1 hospital: Kaleida Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jeffrey C. Constantine see patients?
Medicare's clinician data lists 3 practice locations, including West Seneca, NY, Depew, NY and Buffalo, NY. Call before your visit to confirm the address.
What is Jeffrey C. Constantine's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Jeffrey C. Constantine accept Medicare assignment?
Yes. Medicare's clinician data says Jeffrey C. Constantine 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 Jeffrey C. Constantine?
(716) 675-5222, as listed in official Medicare / NPI Registry data.
What is Jeffrey C. Constantine's NPI number?
1467431429. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jeffrey C. Constantine works

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

Group practices

Medicare enrollment lists Jeffrey C. Constantine as a member of these groups (CMS data updated 2026-10-02).

  • Kaleida Health236 clinicians in the group
  • Trinity Medical Wny PC207 clinicians in the group
  • Apex Medical Associates of Wny PLLC23 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in New York →

Other OB-GYNs in West Seneca

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

All OB-GYNs in West Seneca →

Clinician information

CredentialMD
Graduation year1985
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467431429
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