NPPES file of Aug 9, 2026

Heather Hendrix Armstrong, AU.D.

Audiologist · Greenwood, SC

Heather Hendrix Armstrong, AU.D. is an audiologist with a practice address in Greenwood, South Carolina, and NPI 1194909333, issued on Dec 24, 2007. Check the license (South Carolina 3912, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194909333
Name
Heather Hendrix Armstrong
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
License numbers
3912 SC
AU2552 CA
Self-reported in NPPES; status is on the state search
Practice location
1015 Spring St, Greenwood, SC 29646
Phone
(864) 227-0444
Enumerated
Dec 24, 2007
Record last updated
Jul 9, 2024
Fax
(864) 229-4100
Medicare enrollment
Enrolled (PECOS I20090708000740); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest audiologist records → All 265 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.

  1. Brittney Biere, AU.D., CCC-AAudiologist1902644677
  2. Arlene Hicklin, AUDAudiologist1982031340
  3. William Isenhower, MDOtolaryngology Physician1982788725
  4. Whitney Lyerly Wilson, DNPFamily Nurse Practitioner1073342028
  5. Cody McCreary, H.I.S.Hearing Instrument Specialist1700076031
  6. Rebecca Owens, AU. D.Audiologist1821577800

Verify Heather Hendrix Armstrong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 3912    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Self Medical GroupGreenwood, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Heather Hendrix Armstrong among 265 audiologist records in South Carolina

Heather Hendrix Armstrong, AU.D. is one of 265 audiologist records with a practice address in South Carolina. 45% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 22% of them.

  • NPI issued2007 · 22% of these records are older, 70% newer
  • In a Medicare fileYes · 45% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2007 · median 2014 among the 128 with a school on file
  • Record last updated2024 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist providers in South Carolina

There are 265 audiologist records in South Carolina.

All 265 in South Carolina → Every provider in Greenwood → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Brittney Biere, AU.D., CCC-AGreenwood, SC 296461902644677
  2. Arlene Hicklin, AUDGreenwood, SC 296461982031340
  3. Rebecca Owens, AU. D.Greenwood, SC 296461821577800
  4. Khori Cioli, AU.D.Easley, SC 296421407648025
  5. Katelyn Ooms, AUDEasley, SC 296421427897149
  6. Alexandra Tarvin, AU.D.Easley, SC 296421609283654
  7. Sarah Tellier, AUDGreer, SC 296501154666550
  8. Susan Valenti, AUDGreer, SC 296501477726065

Common questions

What is Heather Hendrix Armstrong, AU.D.'s NPI number?

Heather Hendrix Armstrong, AU.D.'s National Provider Identifier (NPI) is 1194909333, issued on Dec 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Heather Hendrix Armstrong, AU.D. located?

The NPPES record lists a practice address at 1015 Spring St, Greenwood, SC, 29646. Phone: (864) 227-0444. Providers update this record themselves, so call before visiting.

How can I verify Heather Hendrix Armstrong, AU.D.'s license?

NPPES lists South Carolina license number 3912, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.