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

Ophthalmology

James R. Overlease Iii, MD

Sees patients in Kansas City, MO · Lees Summit, MO · Sedalia, MO … · Missouri

Summary

Dr. James R. Overlease Iii, MD is an ophthalmologist at 1004 Carondelet Dr, Kansas City, MO 64114. Phone: (816) 943-1123. Accepts Medicare assignment. In 2024, James R. Overlease Iii had 1,109 Original Medicare patients and 3,921 services. NPI 1154362077. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 1004 Carondelet Dr, Kansas City, MO 64114 · Directions (4 more locations)
  • Phone: (816) 943‑1123
  • Medicare: Accepts Medicare assignment
  • Group practice: Insight Eyecare Specialties Inc (+3 more)
  • Medical school: University Of Texas Medical School At Houston · graduated 2003 (23 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about James R. Overlease Iii, 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 James R. Overlease Iii accept Medicare assignment?
Yes. Medicare's clinician data says James R. Overlease Iii 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 James R. Overlease Iii see?
In 2024, CMS data shows 1,109 Original Medicare patients and 3,921 services for James R. Overlease Iii. This counts Original Medicare only and measures volume, not quality.
What is James R. Overlease Iii's NPI number?
1154362077. 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 James R. Overlease Iii, 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 patients1,109
Services billed to Medicare3,921
Different services or procedures43
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient complete exam of visual system (92014)905 services
  2. Imaging of optic nerve (92133)739 services
  3. Established patient problem focused exam of visual system (92012)654 services
  4. Exam of visual field with extended testing (92083)531 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)226 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%
  • Arthritis44%
  • Ischemic heart disease27%
  • Diabetes26%
  • Chronic kidney disease23%

Practice locations

Addresses where James R. Overlease Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists James R. Overlease Iii as a member of these groups (CMS data updated October 2, 2026).

  • Insight Eyecare Specialties Inc15 clinicians in the group
  • Cokingtin Eye Center PA9 clinicians in the group
  • Summit Eye Center LLC6 clinicians in the group
  • Associated Ophthalmologists of Kansas City, P.C.2 clinicians in the group

Specialties

Find other Ophthalmology doctors in Missouri →

Other ophthalmologists in Kansas City

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

All ophthalmologists in Kansas City →

Other clinicians in Insight Eyecare Specialties Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At Houston
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154362077
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians