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Optometry

Shannon L. Mihalacki, OD

Sees patients in Mars, PA · Pennsylvania

Summary

Dr. Shannon L. Mihalacki, OD is an optometrist at 187 Scharberry Ln, Mars, PA 16046. Phone: (724) 591-5501. Accepts Medicare assignment. In 2024, Shannon L. Mihalacki had 51 Original Medicare patients and 95 services. NPI 1912029000. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 187 Scharberry Ln, Mars, PA 16046 · Directions
  • Phone: (724) 591‑5501
  • Medicare: Accepts Medicare assignment
  • Group practice: Aeg Pennsylvania Professional Inc
  • Optometry school: Pennsylvania College Of Optometry · graduated 2004 (22 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Shannon L. Mihalacki, 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 Shannon L. Mihalacki accept Medicare assignment?
Yes. Medicare's clinician data says Shannon L. Mihalacki 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 Shannon L. Mihalacki see?
In 2024, CMS data shows 51 Original Medicare patients and 95 services for Shannon L. Mihalacki. This counts Original Medicare only and measures volume, not quality.
What is Shannon L. Mihalacki's NPI number?
1912029000. 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 Shannon L. Mihalacki, 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 patients51
Services billed to Medicare95
Different services or procedures10
Participating Medicare providerYes
Average age of these patients74

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)26 services
  2. Photography of the retina (92250)19 services
  3. Established patient complete exam of visual system (92014)14 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 cholesterol71%
  • High blood pressure63%
  • Arthritis43%
  • Ischemic heart disease24%
  • Anxiety24%

Practice locations

Addresses where Shannon L. Mihalacki is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shannon L. Mihalacki as a member of this group (CMS data updated October 2, 2026).

  • Aeg Pennsylvania Professional Inc78 clinicians in the group

Specialties

Find other clinicians: Optometry, Pennsylvania →

Other optometrists in Mars

Clinicians with the same Medicare primary specialty in Mars, PA — not a recommendation.

All optometrists in Mars →

Other clinicians in Aeg Pennsylvania Professional Inc

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

Clinician information

CredentialOD
Optometry schoolPennsylvania College Of Optometry
Graduation year2004 (22 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912029000
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