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

Obstetrics/Gynecology

Dennis M. Weppner, MD

Works at hospitals in Buffalo, NY · New York

Summary

Dennis M. Weppner, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Buffalo, NY. NPI 1730141714. 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 Dennis M. Weppner, 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
40Years since medical school (graduated 1986)
MaleGender (as listed)
Kaleida HealthGroup practice

Quick answers

Which hospitals does Dennis M. Weppner work at?
Medicare's official clinician data lists Dennis M. Weppner at 1 hospital: Kaleida Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Dennis M. Weppner see patients?
Medicare's clinician data lists 4 practice locations, including Williamsville, NY, North Tonawanda, NY and N Tonawanda, NY. Call before your visit to confirm the address.
What is Dennis M. Weppner's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Dennis M. Weppner accept Medicare assignment?
Yes. Medicare's clinician data says Dennis M. Weppner 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 Dennis M. Weppner?
(716) 568-3600, as listed in official Medicare / NPI Registry data.
What is Dennis M. Weppner's NPI number?
1730141714. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Dennis M. Weppner works

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

Group practices

Medicare enrollment lists Dennis M. Weppner as a member of this group (CMS data updated 2026-10-02).

  • Kaleida Health236 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in New York →

Other OB-GYNs in Williamsville

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

All OB-GYNs in Williamsville →

Clinician information

CredentialMD
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730141714
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