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Optometry

William Parsley Iii, OD

Sees patients in Nashville, TN · Franklin, TN · Tennessee

Summary

Dr. William Parsley Iii, OD is an optometrist at 2378 Lebanon Pike, Nashville, TN 37214. Phone: (615) 889-0147. Accepts Medicare assignment. In 2024, William Parsley Iii had 63 Original Medicare patients and 94 services. NPI 1760938096. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 2378 Lebanon Pike, Nashville, TN 37214 · Directions (1 more location)
  • Phone: (615) 889‑0147
  • Medicare: Accepts Medicare assignment
  • Group practice: Cool Springs Eyecare PLLC (+1 more)
  • Optometry school: Southern College Of Optometry · graduated 2016 (10 years since optometry school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about William Parsley 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 William Parsley Iii accept Medicare assignment?
Yes. Medicare's clinician data says William Parsley 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 William Parsley Iii see?
In 2024, CMS data shows 63 Original Medicare patients and 94 services for William Parsley Iii. This counts Original Medicare only and measures volume, not quality.
What is William Parsley Iii's NPI number?
1760938096. 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 William Parsley 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 patients63
Services billed to Medicare94
Different services or procedures15
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient complete exam of visual system (92014)23 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)15 services
  3. New patient complete exam of visual system (92004)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 cholesterol57%
  • High blood pressure54%
  • Arthritis35%
  • Diabetes24%
  • Anxiety21%
  • Osteoporosis19%

Practice locations

Addresses where William Parsley Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Cool Springs Eyecare PLLC7 clinicians in the group
  • Donelson Eyecare, PLLC4 clinicians in the group

Specialties

Find other clinicians: Optometry, Tennessee →

Other optometrists in Nashville

Clinicians with the same Medicare primary specialty in Nashville, TN — not a recommendation.

All optometrists in Nashville →

Other clinicians in Cool Springs Eyecare PLLC

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

Clinician information

CredentialOD
Optometry schoolSouthern College Of Optometry
Graduation year2016 (10 years since optometry school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760938096
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