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Optometry

William C. Holland, OD

Works at hospitals in Encinitas, CA · California

Summary

Dr. William C. Holland, OD is an optometrist at 113 Country Club Dr NE, Concord, NC 28025. Phone: (704) 786-7600. Accepts Medicare assignment. In 2024, William C. Holland had 234 Original Medicare patients and 2,118 services. NPI 1710937032. 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.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 113 Country Club Dr NE, Concord, NC 28025 · Directions (3 more locations)
  • Phone: (704) 786‑7600
  • Medicare: Accepts Medicare assignment
  • Hospital: Scripps Memorial Hospital - Encinitas
  • Group practice: Eyecarecenter Od PA
  • Optometry school: graduated 1994 (32 years since optometry school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about William C. Holland, 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 C. Holland accept Medicare assignment?
Yes. Medicare's clinician data says William C. Holland 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 C. Holland see?
In 2024, CMS data shows 234 Original Medicare patients and 2,118 services for William C. Holland. This counts Original Medicare only and measures volume, not quality.
What is William C. Holland's NPI number?
1710937032. 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 C. Holland, 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 patients234
Services billed to Medicare2,118
Different services or procedures15
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Removal of cataract with insertion of prosthetic lens (66984)1,201 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)250 services
  3. Photography of the retina (92250)160 services
  4. Exam of visual field with extended testing (92083)46 services
  5. Imaging of optic nerve (92133)46 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%
  • Arthritis48%
  • Diabetes43%
  • Ischemic heart disease24%
  • Anxiety17%

Hospitals where William C. Holland works

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

Group practices

Medicare enrollment lists William C. Holland as a member of this group (CMS data updated October 2, 2026).

  • Eyecarecenter Od PA71 clinicians in the group

Specialties

Find other clinicians: Optometry, North Carolina →

Other optometrists in Concord

Clinicians with the same Medicare primary specialty in Concord, NC — not a recommendation.

All optometrists in Concord →

Other clinicians in Eyecarecenter Od PA

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

Clinician information

CredentialOD
Graduation year1994 (32 years since optometry school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710937032
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