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

Emergency Medicine

Gharett Heenan

Works at hospitals in Saint Joseph, MO · Maryville, MO · Albany, MO · Missouri

Summary

Gharett Heenan is an emergency medicine doctor at 12110 Holmes Rd, Kansas City, MO 64145. Phone: (816) 942-3827. Accepts Medicare assignment. In 2024, Gharett Heenan had 244 Original Medicare patients and 312 services. NPI 1548849276. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Gharett Heenan, 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 Gharett Heenan accept Medicare assignment?
Yes. Medicare's clinician data says Gharett Heenan 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 Gharett Heenan see?
In 2024, CMS data shows 244 Original Medicare patients and 312 services for Gharett Heenan. This counts Original Medicare only and measures volume, not quality.
What is Gharett Heenan's NPI number?
1548849276. 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 Gharett Heenan, 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 patients244
Services billed to Medicare312
Different services or procedures19
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)145 services
  2. Emergency department visit with high level of medical decision making (99285)63 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)38 services
  4. Emergency department visit with low level of medical decision making (99283)27 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%
  • Arthritis50%
  • Ischemic heart disease44%
  • COPD39%
  • Anxiety38%

Hospitals where Gharett Heenan works

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

Group practices

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

  • Heartland Regional Medical Center394 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Missouri →

Other emergency medicine doctors in Kansas City

Clinicians with the same Medicare primary specialty in Kansas City, MO — not a recommendation.

All emergency medicine doctors in Kansas City →

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 year2021 (5 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548849276
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