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Otolaryngology

William D. Isenhower Jr., MD

Works at hospitals in Abbeville, SC · Clinton, SC · Greenwood, SC · South Carolina

Summary

Dr. William D. Isenhower Jr., MD is an ENT doctor at 102 Gregor Mendel Cir, Greenwood, SC 29646. Phone: (864) 229-2663. Accepts Medicare assignment. In 2024, William D. Isenhower Jr. had 290 Original Medicare patients and 687 services. NPI 1982788725. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about William D. Isenhower Jr., 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 D. Isenhower Jr. accept Medicare assignment?
Yes. Medicare's clinician data says William D. Isenhower Jr. 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 D. Isenhower Jr. see?
In 2024, CMS data shows 290 Original Medicare patients and 687 services for William D. Isenhower Jr.. This counts Original Medicare only and measures volume, not quality.
What is William D. Isenhower Jr.'s NPI number?
1982788725. 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 D. Isenhower Jr., 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 patients290
Services billed to Medicare687
Different services or procedures26
Participating Medicare providerYes
Average age of these patients75

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)132 services
  2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)74 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)48 services
  4. Comprehensive hearing and speech recognition test (92557)31 services
  5. Test to assess middle ear function (92567)31 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 pressure73%
  • Arthritis44%
  • Diabetes28%
  • Anxiety27%
  • Chronic kidney disease24%

Hospitals where William D. Isenhower Jr. works

Medicare's Facility Affiliation Data lists William D. Isenhower Jr. 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 D. Isenhower Jr. is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 17; the Medicare profile lists all.

Group practices

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

  • Self Medical Group395 clinicians in the group
  • Self Regional Healthcare180 clinicians in the group

Specialties

Find other Otolaryngology doctors in South Carolina →

Other ENT doctors in Greenwood

Clinicians with the same Medicare primary specialty in Greenwood, SC — not a recommendation.

All ENT doctors in Greenwood →

Other clinicians in Self Medical Group

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

Clinician information

CredentialMD
Medical schoolUniversity Of North Carolina At Chapel Hill School Of Medicine
Graduation year1984 (42 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982788725
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