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Emergency Medicine

Carla M. Ralston, MD

Works at hospitals in Zanesville, OH · Ohio

Summary

Dr. Carla M. Ralston, MD is an emergency medicine doctor at 2951 Maple Ave, Zanesville, OH 43701. Phone: (740) 454-4000. Accepts Medicare assignment. In 2024, Carla M. Ralston had 200 Original Medicare patients and 295 services. NPI 1477718328. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 2951 Maple Ave, Zanesville, OH 43701 · Directions (1 more location)
  • Phone: (740) 454‑4000
  • Medicare: Accepts Medicare assignment
  • Hospital: Genesis Hospital
  • Group practice: Genesis Emergency Physicians LLC
  • Medical school: Indiana University School Of Medicine · graduated 2008 (18 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Carla M. Ralston, 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 Carla M. Ralston accept Medicare assignment?
Yes. Medicare's clinician data says Carla M. Ralston 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 Carla M. Ralston see?
In 2024, CMS data shows 200 Original Medicare patients and 295 services for Carla M. Ralston. This counts Original Medicare only and measures volume, not quality.
What is Carla M. Ralston's NPI number?
1477718328. 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 Carla M. Ralston, 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 patients200
Services billed to Medicare295
Different services or procedures17
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)94 services
  2. Emergency department visit with high level of medical decision making (99285)83 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)81 services
  4. Emergency department visit with low level of medical decision making (99283)12 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%
  • Ischemic heart disease54%
  • Arthritis50%
  • Anxiety43%
  • Diabetes42%

Hospitals where Carla M. Ralston works

Medicare's Facility Affiliation Data lists Carla M. Ralston 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.

  • Genesis HospitalZanesville, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360039

Practice locations

Addresses where Carla M. Ralston is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Carla M. Ralston as a member of this group (CMS data updated October 2, 2026).

  • Genesis Emergency Physicians LLC38 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Ohio →

Other emergency medicine doctors in Zanesville

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

All emergency medicine doctors in Zanesville →

Other clinicians in Genesis Emergency Physicians LLC

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

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477718328
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