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Physician Assistant

Kenneth R. Mazer, PA

Works at hospitals in Chardon, OH · Geneva, OH · Ohio

Summary

Kenneth R. Mazer, PA is a physician assistant at 3315 N Ridge Rd E, Suite 700a, Ashtabula, OH 44004. Phone: (440) 484-2130. Accepts Medicare assignment. In 2024, Kenneth R. Mazer had 324 Original Medicare patients and 435 services. NPI 1558565929. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Kenneth R. Mazer, 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 Kenneth R. Mazer accept Medicare assignment?
Yes. Medicare's clinician data says Kenneth R. Mazer 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 Kenneth R. Mazer see?
In 2024, CMS data shows 324 Original Medicare patients and 435 services for Kenneth R. Mazer. This counts Original Medicare only and measures volume, not quality.
What is Kenneth R. Mazer's NPI number?
1558565929. 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 Kenneth R. Mazer, 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 patients324
Services billed to Medicare435
Different services or procedures26
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)142 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)127 services
  3. Emergency department visit with moderate level of medical decision making (99284)100 services
  4. Emergency department visit with low level of medical decision making (99283)27 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%
  • Arthritis57%
  • Ischemic heart disease45%
  • Anxiety40%
  • Heart failure40%

Hospitals where Kenneth R. Mazer works

Medicare's Facility Affiliation Data lists Kenneth R. Mazer 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.

  • UH Regional HospitalsChardon, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360075
  • Uhhs Memorial Hospital of GenevaGeneva, OH · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 361307

Practice locations

Addresses where Kenneth R. Mazer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kenneth R. Mazer as a member of this group (CMS data updated October 2, 2026).

  • University Hospitals Urgent Care, LLC113 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Ohio →

Other physician assistants in Ashtabula

Clinicians with the same Medicare primary specialty in Ashtabula, OH — not a recommendation.

All physician assistants in Ashtabula →

Other clinicians in University Hospitals Urgent Care, LLC

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

Clinician information

CredentialPA
SchoolGeorge Washington University School Of Medicine
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558565929
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