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Emergency Medicine

Ashley D. Larrimore, MD

Works at hospitals in Columbus, OH · Ohio

Summary

Dr. Ashley D. Larrimore, MD is an emergency medicine doctor at 410 W 10th Ave, Columbus, OH 43210. Phone: (614) 293-8305. Accepts Medicare assignment. In 2024, Ashley D. Larrimore had 108 Original Medicare patients and 154 services. NPI 1548554801. 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: 410 W 10th Ave, Columbus, OH 43210 · Directions (3 more locations)
  • Phone: (614) 293‑8305
  • Medicare: Accepts Medicare assignment
  • Hospital: Ohio State University State Health System
  • Group practice: OSU Observation Medicine, LLC (+1 more)
  • Medical school: George Washington University School Of Medicine · graduated 2011 (15 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ashley D. Larrimore, 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 Ashley D. Larrimore accept Medicare assignment?
Yes. Medicare's clinician data says Ashley D. Larrimore 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 Ashley D. Larrimore see?
In 2024, CMS data shows 108 Original Medicare patients and 154 services for Ashley D. Larrimore. This counts Original Medicare only and measures volume, not quality.
What is Ashley D. Larrimore's NPI number?
1548554801. 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 Ashley D. Larrimore, 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 patients108
Services billed to Medicare154
Different services or procedures32
Participating Medicare providerYes
Average age of these patients68

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)66 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)25 services
  3. Emergency department visit with moderate level of medical decision making (99284)20 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 cholesterol71%
  • Arthritis57%
  • Anxiety49%
  • Depression40%
  • Diabetes38%

Hospitals where Ashley D. Larrimore works

Medicare's Facility Affiliation Data lists Ashley D. Larrimore 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.

Practice locations

Addresses where Ashley D. Larrimore is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ashley D. Larrimore as a member of these groups (CMS data updated October 2, 2026).

  • OSU Observation Medicine, LLC436 clinicians in the group
  • OSU Emergency Medicine LLC174 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Ohio →

Other emergency medicine doctors in Columbus

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

All emergency medicine doctors in Columbus →

Other clinicians in OSU Observation Medicine, LLC

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

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548554801
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