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

Optometry

Kelly D. Oliver Ernst, OD

Sees patients in Palatine, IL · Illinois

Summary

Dr. Kelly D. Oliver Ernst, OD is an optometrist at 96 W Northwest Hwy, Palatine, IL 60067. Phone: (847) 358-7722. Accepts Medicare assignment. In 2024, Kelly D. Oliver Ernst had 131 Original Medicare patients and 461 services. NPI 1487967329. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 96 W Northwest Hwy, Palatine, IL 60067 · Directions
  • Phone: (847) 358‑7722
  • Medicare: Accepts Medicare assignment
  • Group practice: Gustafson Eye Care Clinics, Ltd.
  • Optometry school: Illinois College Of Optometry At Chicago · graduated 2010 (16 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kelly D. Oliver Ernst, 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 Kelly D. Oliver Ernst accept Medicare assignment?
Yes. Medicare's clinician data says Kelly D. Oliver Ernst 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 Kelly D. Oliver Ernst see?
In 2024, CMS data shows 131 Original Medicare patients and 461 services for Kelly D. Oliver Ernst. This counts Original Medicare only and measures volume, not quality.
What is Kelly D. Oliver Ernst's NPI number?
1487967329. 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 Kelly D. Oliver Ernst, 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 patients131
Services billed to Medicare461
Different services or procedures15
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)110 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)77 services
  3. Photography of the retina (92250)68 services
  4. Analysis of substance using immunoassay technique, multiple step method (83516)56 services
  5. Microfluid analysis of tears (83861)52 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 cholesterol75%
  • High blood pressure60%
  • Arthritis47%
  • Ischemic heart disease27%
  • Diabetes21%
  • Anxiety21%

Practice locations

Addresses where Kelly D. Oliver Ernst is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kelly D. Oliver Ernst as a member of this group (CMS data updated October 2, 2026).

  • Gustafson Eye Care Clinics, Ltd.3 clinicians in the group

Specialties

Find other clinicians: Optometry, Illinois →

Other optometrists in Palatine

Clinicians with the same Medicare primary specialty in Palatine, IL — not a recommendation.

All optometrists in Palatine →

Other clinicians in Gustafson Eye Care Clinics, Ltd.

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

Clinician information

CredentialOD
Optometry schoolIllinois College Of Optometry At Chicago
Graduation year2010 (16 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1487967329
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