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Otolaryngology

William S. McCary

Works at hospitals in Huntsville, AL · Alabama

Summary

William S. McCary is an ENT doctor at 1963 Memorial Pkwy SW, Suite 5 and 9, Huntsville, AL 35801. Phone: (256) 536-9300. Accepts Medicare assignment. In 2024, William S. McCary had 512 Original Medicare patients and 2,113 services. NPI 1477644078. 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: ENT doctor (Medicare lists Otolaryngology)
  • Address: 1963 Memorial Pkwy SW, Suite 5 and 9, Huntsville, AL 35801 · Directions
  • Phone: (256) 536‑9300
  • Medicare: Accepts Medicare assignment
  • Hospital: Huntsville Hospital
  • Group practice: North Alabama Ent Associates
  • Medical school: University Of Alabama School Of Medicine · graduated 1990 (36 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about William S. McCary, 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 S. McCary accept Medicare assignment?
Yes. Medicare's clinician data says William S. McCary 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 S. McCary see?
In 2024, CMS data shows 512 Original Medicare patients and 2,113 services for William S. McCary. This counts Original Medicare only and measures volume, not quality.
What is William S. McCary's NPI number?
1477644078. 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 S. McCary, 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 patients512
Services billed to Medicare2,113
Different services or procedures66
Participating Medicare providerYes
Average age of these patients77

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)276 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)260 services
  3. Professional service for multiple injections of allergen (95117)224 services
  4. Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing (G0268)138 services
  5. Removal of impacted ear wax (69210)97 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%
  • Arthritis62%
  • Ischemic heart disease37%
  • Diabetes32%
  • Anxiety27%

Hospitals where William S. McCary works

Medicare's Facility Affiliation Data lists William S. McCary 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.

  • Huntsville HospitalHuntsville, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010039

Practice locations

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

Group practices

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

  • North Alabama Ent Associates28 clinicians in the group

Specialties

Find other Otolaryngology doctors in Alabama →

Other ENT doctors in Huntsville

Clinicians with the same Medicare primary specialty in Huntsville, AL — not a recommendation.

All ENT doctors in Huntsville →

Other clinicians in North Alabama Ent Associates

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

Clinician information

Medical schoolUniversity Of Alabama School Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477644078
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