Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Andrew F. Kalnow, DO

Works at hospitals in Columbus, OH · Ohio

Summary

Dr. Andrew F. Kalnow, DO is an emergency medicine doctor at 5100 W Broad St, Columbus, OH 43228. Phone: (614) 544-1810. Accepts Medicare assignment. In 2024, Andrew F. Kalnow had 190 Original Medicare patients and 344 services. NPI 1790026532. 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: 5100 W Broad St, Columbus, OH 43228 · Directions
  • Phone: (614) 544‑1810
  • Medicare: Accepts Medicare assignment
  • Hospitals: Doctors Hospital, Grant Medical Center
  • Group practice: Emergency Medicine Physicians of Franklin County, Ltd
  • Medical school: West Virginia School Of Osteopathic Medicine · graduated 2013 (13 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Andrew F. Kalnow, 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 Andrew F. Kalnow accept Medicare assignment?
Yes. Medicare's clinician data says Andrew F. Kalnow 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 Andrew F. Kalnow see?
In 2024, CMS data shows 190 Original Medicare patients and 344 services for Andrew F. Kalnow. This counts Original Medicare only and measures volume, not quality.
What is Andrew F. Kalnow's NPI number?
1790026532. 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 Andrew F. Kalnow, 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 patients190
Services billed to Medicare344
Different services or procedures13
Participating Medicare providerYes
Average age of these patients68

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)126 services
  2. Emergency department visit with high level of medical decision making (99285)81 services
  3. Critical care, first 30-74 minutes (99291)78 services
  4. Emergency department visit with moderate level of medical decision making (99284)31 services
  5. Emergency department visit with low level of medical decision making (99283)15 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 cholesterol74%
  • Ischemic heart disease50%
  • Depression48%
  • Arthritis47%
  • Diabetes45%

Hospitals where Andrew F. Kalnow works

Medicare's Facility Affiliation Data lists Andrew F. Kalnow 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.

  • Doctors HospitalColumbus, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360152
  • Grant Medical CenterColumbus, OH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 360017

Practice locations

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

Group practices

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

  • Emergency Medicine Physicians of Franklin County, Ltd7 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 Emergency Medicine Physicians of Franklin County, Ltd

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

Clinician information

CredentialDO
Medical schoolWest Virginia School Of Osteopathic Medicine
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790026532
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