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Family Practice

Ruth F. Quarles, MD

Sees patients in Cortland, OH · Ohio

Summary

Dr. Ruth F. Quarles, MD is a family doctor at 2600 Elm Rd NE, Cortland, OH 44410. Phone: (330) 372-8800. Accepts Medicare assignment. In 2024, Ruth F. Quarles had 20 Original Medicare patients and 39 services. NPI 1508892811. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 2600 Elm Rd NE, Cortland, OH 44410 · Directions
  • Phone: (330) 372‑8800
  • Medicare: Accepts Medicare assignment
  • Group practice: Trumbull Mahoning Medical Group, Inc.
  • Medical school: Meharry Medical College School Of Medicine · graduated 1981 (45 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ruth F. Quarles, 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 Ruth F. Quarles accept Medicare assignment?
Yes. Medicare's clinician data says Ruth F. Quarles 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 Ruth F. Quarles see?
In 2024, CMS data shows 20 Original Medicare patients and 39 services for Ruth F. Quarles. This counts Original Medicare only and measures volume, not quality.
What is Ruth F. Quarles's NPI number?
1508892811. 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 Ruth F. Quarles, 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 patients20
Services billed to Medicare39
Different services or procedures18
Participating Medicare providerYes
Average age of these patients77

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%

Practice locations

Addresses where Ruth F. Quarles is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ruth F. Quarles as a member of this group (CMS data updated October 2, 2026).

  • Trumbull Mahoning Medical Group, Inc.7 clinicians in the group

Specialties

Find other Family Practice doctors in Ohio →

Other family doctors in Ohio

Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.

All family doctors in Ohio →

Other clinicians in Trumbull Mahoning Medical Group, Inc.

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

Clinician information

CredentialMD
Medical schoolMeharry Medical College School Of Medicine
Graduation year1981 (45 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508892811
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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