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

Anesthesiology

Gerayu Niyakorn

Works at hospitals in Saint Joseph, MO · Missouri

Summary

Gerayu Niyakorn is an anesthesiologist at 5325 Faraon St, Saint Joseph, MO 64506. Phone: (816) 271-6870. Accepts Medicare assignment. In 2024, Gerayu Niyakorn had 454 Original Medicare patients and 509 services. NPI 1356535116. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 5325 Faraon St, Saint Joseph, MO 64506 · Directions (2 more locations)
  • Phone: (816) 271‑6870
  • Medicare: Accepts Medicare assignment
  • Hospital: Mosaic Life Care at St Joseph
  • Group practice: Heartland Regional Medical Center
  • Medical school: University Of Kansas School Of Med (kc/wich/sal) · graduated 2007 (19 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Gerayu Niyakorn, 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 Gerayu Niyakorn accept Medicare assignment?
Yes. Medicare's clinician data says Gerayu Niyakorn 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 Gerayu Niyakorn see?
In 2024, CMS data shows 454 Original Medicare patients and 509 services for Gerayu Niyakorn. This counts Original Medicare only and measures volume, not quality.
What is Gerayu Niyakorn's NPI number?
1356535116. 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 Gerayu Niyakorn, 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 patients454
Services billed to Medicare509
Different services or procedures71
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)79 services
  2. Anesthesia for other procedure on large bowel using an endoscope (00811)57 services
  3. Anesthesia for procedure on small and large bowel using an endoscope (00813)38 services
  4. Anesthesia for exam of colon using an endoscope (00812)30 services
  5. Anesthesia for electroshock therapy (00104)28 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%
  • Arthritis49%
  • Ischemic heart disease42%
  • Diabetes36%
  • Anxiety35%

Hospitals where Gerayu Niyakorn works

Medicare's Facility Affiliation Data lists Gerayu Niyakorn 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 Gerayu Niyakorn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gerayu Niyakorn as a member of this group (CMS data updated October 2, 2026).

  • Heartland Regional Medical Center394 clinicians in the group

Specialties

Find other Anesthesiology doctors in Missouri →

Other anesthesiologists in Saint Joseph

Clinicians with the same Medicare primary specialty in Saint Joseph, MO — not a recommendation.

All anesthesiologists in Saint Joseph →

Other clinicians in Heartland Regional Medical Center

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

Clinician information

Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356535116
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