Claude A. Warner, MD
Internal Medicine Physician · St George, UT
Claude A. Warner, MD is an internal medicine physician with a practice address in St George, Utah, and NPI 1376561688, issued on Jul 17, 2006. Check the license (Utah 942770101205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- Claude A. Warner
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 942770101205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 577 S River RD, St George, UT 84790
- Phone
- (435) 688-6000
- Enumerated
- Jul 17, 2006
- Record last updated
- Aug 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 664 in Utah → Look up another NPI →
Also registered at 577 S River RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Henry Ashton, M.D.Adult Medicine Physician1912100181
- Sara Beck, NPFamily Nurse Practitioner1720228091
- Bradley Bentley, RDNRegistered Dietitian1902556582
- Kayla Boyer, NPNurse Practitioner1447807540
- Helle Brand, PA-CPhysician Assistant1992756258
- Cora Broadbear, NPNurse Practitioner1073311536
Verify Claude A. Warner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 942770101205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% more Medicare Part D claims than the average internal medicine physician in 2024
5,877 Medicare Part D claims for 390 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 249 claims were for opioids.
Most prescribed
- Atorvastatin Calcium363 claims
- Levothyroxine Sodium236 claims
- Losartan Potassium210 claims
- Omeprazole205 claims
- Lisinopril151 claims
- Amlodipine Besylate133 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.
Claude A. Warner among 664 internal medicine physician records in Utah
Claude A. Warner, MD is one of 664 internal medicine physician records with a practice address in Utah. 75% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 60% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2008 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Utah
There are 664 internal medicine physician records in Utah.
All 664 in Utah → Every provider in St George → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Bennett, MDSaint George, UT 847901407871510
- Michael Codiga, MDSt George, UT 847901306888219
- Christine Foster, M.D.St George, UT 847901205875747
- Joshua Frame, DOSt George, UT 847901437143443
- Karen Frieden, M.D.St George, UT 847901043289820
- Michelle Gilbert, MDSt George, UT 847901992876452
- Jerold Hagen, MDSt George, UT 847901639102635
- Thomas Jones, MDSt George, UT 847901861410276
Common questions
What is Claude A. Warner, MD's NPI number?
Claude A. Warner, MD's National Provider Identifier (NPI) is 1376561688, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Claude A. Warner, MD located?
The NPPES record lists a practice address at 577 S River RD, St George, UT, 84790. Phone: (435) 688-6000. Providers update this record themselves, so call before visiting.
How can I verify Claude A. Warner, MD's license?
NPPES lists Utah license number 942770101205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Claude A. Warner, MD prescribe under Medicare Part D?
In 2024, Claude A. Warner, MD had 5,877 Medicare Part D claims for 390 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.