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Cardiovascular Disease (Cardiology)

Joanne L. Cobler, MD

Works at hospitals in Buffalo, NY · New York

Summary

Dr. Joanne L. Cobler, MD is a cardiologist at 325 Essjay Rd, Williamsville, NY 14221. Phone: (716) 630-1000. Accepts Medicare assignment. In 2024, Joanne L. Cobler had 863 Original Medicare patients and 2,086 services. NPI 1710966650. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 325 Essjay Rd, Williamsville, NY 14221 · Directions (1 more location)
  • Phone: (716) 630‑1000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Kaleida Health, Mercy Hospital of Buffalo, Sisters of Charity Hospital
  • Group practice: Buffalo Medical Group, P.C.
  • Medical school: University Of Rochester School Of Medicine And Dentistry · graduated 1986 (40 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Joanne L. Cobler, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Joanne L. Cobler accept Medicare assignment?
Yes. Medicare's clinician data says Joanne L. Cobler accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Joanne L. Cobler see?
In 2024, CMS data shows 863 Original Medicare patients and 2,086 services for Joanne L. Cobler. This counts Original Medicare only and measures volume, not quality.
What is Joanne L. Cobler's NPI number?
1710966650. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Joanne L. Cobler, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients863
Services billed to Medicare2,086
Different services or procedures23
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)481 services
  2. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)367 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)315 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)254 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)212 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis48%
  • Ischemic heart disease41%
  • Chronic kidney disease38%
  • Diabetes29%

Hospitals where Joanne L. Cobler works

Medicare's Facility Affiliation Data lists Joanne L. Cobler at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Kaleida HealthBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330005
  • Mercy Hospital of BuffaloBuffalo, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330279
  • Sisters of Charity HospitalBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330078

Practice locations

Addresses where Joanne L. Cobler is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joanne L. Cobler as a member of this group (CMS data updated October 2, 2026).

  • Buffalo Medical Group, P.C.236 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in New York →

Other cardiologists in Williamsville

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

All cardiologists in Williamsville →

Other clinicians in Buffalo Medical Group, P.C.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Rochester School Of Medicine And Dentistry
Graduation year1986 (40 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710966650
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians