Harriet Hays Armstrong, D.M.D.
General Practice Dentistry · Silsbee, TX
Harriet Hays Armstrong, D.M.D. is a general practice dentistry with a practice address in Silsbee, Texas, and NPI 1922144963, issued on Jan 29, 2007. Check the license (Texas 17721, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Harriet Hays Armstrong
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License numbers
- 17721 TX
4390 LA
Self-reported in NPPES; status is on the state search - Practice location
- 180 Welborn St, Silsbee, TX 77656
- Phone
- (409) 385-5200
- Enumerated
- Jan 29, 2007
- Record last updated
- Jul 21, 2022
- Fax
- (409) 385-2224
- Entity
- Type 1 · individual
Also registered at 180 Welborn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ehson Ghaboolian-Zare, DDSDentist1275233702
- Joyce Reed, D.D.S.Dentist1134342058
Verify Harriet Hays Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 17721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average general practice dentistry in 2024
57 Medicare Part D claims for 43 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin26 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.
Industry payments in 2024: $16.26
1 payment: food and beverage; the largest payer was Voco America Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 general practice dentistry records list a practice address in Silsbee
They are 2 of the 115 NPPES records with a practice address in Silsbee, and 10,056 general practice dentistry records in Texas.
All 2 in Silsbee → All 10,056 in Texas → Every provider in Silsbee →
Other general practice dentistry records in Texas
- Eugene Aaron, D.D.S., P.A.League City, TX1699733048
- Alphonsus Abah, DDSDallas, TX1184324105
- Curtis AbateSan Antonio, TX1033279286
- Yetunde Abayomi, D.D.SMansfield, TX1992814776
- Emeka Abazie, DDSCoppell, TX1578657763
- Sravan Abbaraju, D.M.DFort Hood, TX1235417767
- Yamini AbbarajuHouston, TX1528247780
- Hasnain Abbas, DDS, BDSDallas, TX1669024295
- Zehra Abbas, DMDHouston, TX1972740629
- Saeid Abbasiyan, DDSGeorgetown, TX1275143182
Common questions
What is Harriet Hays Armstrong, D.M.D.'s NPI number?
Harriet Hays Armstrong, D.M.D.'s National Provider Identifier (NPI) is 1922144963, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Harriet Hays Armstrong, D.M.D. located?
The NPPES record lists a practice address at 180 Welborn St, Silsbee, TX, 77656. Phone: (409) 385-5200. Providers update this record themselves, so call before visiting.
How can I verify Harriet Hays Armstrong, D.M.D.'s license?
NPPES lists Texas license number 17721, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Harriet Hays Armstrong, D.M.D. prescribe under Medicare Part D?
In 2024, Harriet Hays Armstrong, D.M.D. had 57 Medicare Part D claims for 43 beneficiaries; the average among general practice dentistry prescribers was 83. 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.