Quick answers
- Does Kelly L. Hayes accept Medicare assignment?
- Yes. Medicare's clinician data says Kelly L. Hayes 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 Kelly L. Hayes see?
- In 2024, CMS data shows 1,672 Original Medicare patients and 5,060 services for Kelly L. Hayes. This counts Original Medicare only and measures volume, not quality.
- What is Kelly L. Hayes's NPI number?
- 1235133281. 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 Kelly L. Hayes, 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 patients | 1,672 |
|---|---|
| Services billed to Medicare | 5,060 |
| Different services or procedures | 76 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Anticoagulant management of patient taking warfarin (93793)1,674 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)387 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)365 services
- 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)261 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)236 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%
- Atrial fibrillation63%
- Arthritis53%
- Ischemic heart disease48%
- Heart failure42%
Hospitals where Kelly L. Hayes works
Medicare's Facility Affiliation Data lists Kelly L. Hayes 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.
- Olean General HospitalOlean, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330103
- UPMC Chautauqua at WcaJamestown, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330239
- UPMC HamotErie, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390063
- UPMC KaneKane, PA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 391318
Practice locations
Addresses where Kelly L. Hayes is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 12 Ctr St, Suite 4Fredonia, NY 14063 (716) 672‑8790
- 120 E 2nd StErie, PA 16507
- 201 State StErie, PA 16550 (814) 877‑6000
- 201 State St, Fl 8Erie, PA 16550 (814) 877‑7246
- 3406 Peach StErie, PA 16508 (814) 877‑5381
Group practices
Medicare enrollment lists Kelly L. Hayes as a member of these groups (CMS data updated October 2, 2026).
- Regional Health Services Inc568 clinicians in the group
- Great Lakes Physician Practice PC144 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Other clinicians in Regional Health Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Vermont College Of Medicine |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1235133281 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians