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Emergency Medicine

Adeniyi F. Koiki, MD

Works at hospitals in Hamilton, AL · Alabama

Summary

Dr. Adeniyi F. Koiki, MD is an emergency medicine doctor at 1256 Military St S, Hamilton, AL 35570. Phone: (205) 921-6200. Accepts Medicare assignment. In 2024, Adeniyi F. Koiki had 225 Original Medicare patients and 370 services. NPI 1366480774. 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: 1256 Military St S, Hamilton, AL 35570 · Directions
  • Phone: (205) 921‑6200
  • Medicare: Accepts Medicare assignment
  • Hospital: Marion Regional Medical Center
  • Group practice: Relias Emergency Medicine Specialists of Hamilton, LLC
  • Medical school: Morehouse School Of Medicine · graduated 1994 (32 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Adeniyi F. Koiki, 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 Adeniyi F. Koiki accept Medicare assignment?
Yes. Medicare's clinician data says Adeniyi F. Koiki 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 Adeniyi F. Koiki see?
In 2024, CMS data shows 225 Original Medicare patients and 370 services for Adeniyi F. Koiki. This counts Original Medicare only and measures volume, not quality.
What is Adeniyi F. Koiki's NPI number?
1366480774. 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 Adeniyi F. Koiki, 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 patients225
Services billed to Medicare370
Different services or procedures12
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)146 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)103 services
  3. Emergency department visit with moderate level of medical decision making (99284)79 services
  4. Critical care, first 30-74 minutes (99291)26 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%
  • Arthritis60%
  • Depression40%
  • Anxiety39%
  • Diabetes38%

Hospitals where Adeniyi F. Koiki works

Medicare's Facility Affiliation Data lists Adeniyi F. Koiki 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.

  • Marion Regional Medical CenterHamilton, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010044

Practice locations

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

Group practices

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

  • Relias Emergency Medicine Specialists of Hamilton, LLC9 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Alabama →

Other emergency medicine doctors in Alabama

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

All emergency medicine doctors in Alabama →

Other clinicians in Relias Emergency Medicine Specialists of Hamilton, LLC

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

Clinician information

CredentialMD
Medical schoolMorehouse School Of Medicine
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366480774
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