Thad B. Twiss, DDS
General Practice Dentistry · St George, UT
Thad B. Twiss, DDS is a general practice dentistry with a practice address in St George, Utah, and NPI 1902957558, issued on Jan 12, 2007. Check the license (Utah 5328990, as entered in NPPES) with the Utah board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thad B. Twiss
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 5328990 UT
Self-reported in NPPES; status is on the state search - Practice location
- 923 S River RD Ste 203, St George, UT 84790
- Phone
- (435) 656-5987
- Enumerated
- Jan 12, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,318 in Utah → Look up another NPI →
Verify Thad B. Twiss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Utah board licenses this profession
Search for license 5328990Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average general practice dentistry in 2024
39 Medicare Part D claims for 30 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin29 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: $988.63
6 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona 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.
Thad B. Twiss among 1,318 general practice dentistry records in Utah
Thad B. Twiss, DDS is one of 1,318 general practice dentistry records with a practice address in Utah. 69% 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 32% of them.
- NPI issued2007 · 32% of these records are older, 41% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
57 general practice dentistry records list a practice address in St George
They are 57 of the 3,879 NPPES records with a practice address in St George, and 1,318 general practice dentistry records in Utah.
All 1,318 in Utah → Every provider in St George → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- D. Alldredge, DMDSt George, UT 847901477747913
- Paul Anderson, D.M.D.St George, UT 847901497880140
- Patrick Bondad, DDSSt George, UT 847901336296185
- Derek Evans, DMDSaint George, UT 847901225277023
- Matthew Geddes, DDSSt George, UT 847901326229337
- Allen Hilton, DDSSt George, UT 847901023020666
- Shad Morris, D.M.D.St George, UT 847901396896973
- Kelly Olsen, D.D.S.St George, UT 847901407902950
Common questions
What is Thad B. Twiss, DDS's NPI number?
Thad B. Twiss, DDS's National Provider Identifier (NPI) is 1902957558, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Thad B. Twiss, DDS located?
The NPPES record lists a practice address at 923 S River RD Ste 203, St George, UT, 84790. Phone: (435) 656-5987. Providers update this record themselves, so call before visiting.
How can I verify Thad B. Twiss, DDS's license?
NPPES lists Utah license number 5328990, as entered by the provider. Search the Utah board that licenses this profession; the NPPES record confirms identity only.
How much does Thad B. Twiss, DDS prescribe under Medicare Part D?
In 2024, Thad B. Twiss, DDS had 39 Medicare Part D claims for 30 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.