William David Isenhower, MD
Otolaryngology Physician · Greenwood, SC
William David Isenhower, MD is an otolaryngology physician with a practice address in Greenwood, South Carolina, and NPI 1982788725, issued on Oct 25, 2006. Check the license (South Carolina 16433, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William David Isenhower
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 16433 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1015 Spring St, Greenwood, SC 29646
- Phone
- (864) 227-6741
- Enumerated
- Oct 25, 2006
- Record last updated
- Jul 12, 2024
- Medicaid ID
- 164333 SC
- Medicare enrollment
- Enrolled (PECOS I20111011000027); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 197 in South Carolina → Look up another NPI →
Also registered at 1015 Spring St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Armstrong, AU.D.Audiologist1194909333
- Brittney Biere, AU.D., CCC-AAudiologist1902644677
- Arlene Hicklin, AUDAudiologist1982031340
- Whitney Lyerly Wilson, DNPFamily Nurse Practitioner1073342028
- Cody McCreary, H.I.S.Hearing Instrument Specialist1700076031
- Rebecca Owens, AU. D.Audiologist1821577800
Verify William David Isenhower in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 16433Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average otolaryngology physician in 2024
156 Medicare Part D claims for 87 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium15 claims
- Fluticasone Propionate14 claims
- Mirtazapine12 claims
- Amoxicillin11 claims
- Azithromycin11 claims
- Neomycin-Polymyxin-Hc11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
2 hospitals and group practices
- Self Regional HealthcareGreenwood, SC · Acute Care Hospitals4 of 5 stars
- Self Medical GroupGreenwood, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
William David Isenhower among 197 otolaryngology physician records in South Carolina
William David Isenhower, MD is one of 197 otolaryngology physician records with a practice address in South Carolina. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 57% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1984 · median 2005 among the 126 with a school on file
- Record last updated2024 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in South Carolina
There are 197 otolaryngology physician records in South Carolina.
All 197 in South Carolina → Every provider in Greenwood → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Kevin Rust, MDGreenwood, SC 296461821172560
- Kyle Scates, MDGreenwood, SC 296461679657415
- Gregory Tarasidis, MDGreenwood, SC 296461588748321
- Dole Baker, MDAnderson, SC 296211396797833
- Michael Bauschard, M.D., M.S.Anderson, SC 296211194251066
- Zachary GriggsAnderson, SC 296211063805992
- Jane Riester, M.D.Anderson, SC 296211518988450
- Thomas Way, M.D.Anderson, SC 296211386897346
Common questions
What is William David Isenhower, MD's NPI number?
William David Isenhower, MD's National Provider Identifier (NPI) is 1982788725, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William David Isenhower, MD located?
The NPPES record lists a practice address at 1015 Spring St, Greenwood, SC, 29646. Phone: (864) 227-6741. Providers update this record themselves, so call before visiting.
How can I verify William David Isenhower, MD's license?
NPPES lists South Carolina license number 16433, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William David Isenhower, MD prescribe under Medicare Part D?
In 2024, William David Isenhower, MD had 156 Medicare Part D claims for 87 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.