Katherine A. Irish-Clardy, M.D.
Family Medicine Physician · Fort Smith, AR
Katherine A. Irish-Clardy, M.D. is a family medicine physician with a practice address in Fort Smith, Arkansas, and NPI 1679577381, issued on Jun 9, 2005. Check the license (Arkansas E-2393, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Katherine A. Irish-Clardy
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- E-2393 AR
Self-reported in NPPES; status is on the state search - Practice location
- 1301 S E St, Fort Smith, AR 72901
- Phone
- (479) 785-2431
- Enumerated
- Jun 9, 2005
- Record last updated
- Mar 7, 2023
- Fax
- (479) 494-7787
- Medicaid IDs
- 143782001 AR
08172336 MS
100000610A OK
1646351 LA - Medicare enrollment
- Enrolled (PECOS I20040130000841); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,681 in Arkansas → Look up another NPI →
Also registered at 1301 S E St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer BeckerPediatric Nurse Practitioner1861868648
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- Tabasum Imran, MDFamily Medicine Physician1801057583
Verify Katherine A. Irish-Clardy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-2393Check 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% fewer Medicare Part D claims than the average family medicine physician in 2024
540 Medicare Part D claims for 65 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 46 claims were for opioids.
Most prescribed
- Atorvastatin Calcium39 claims
- Hydrocodone-Acetaminophen24 claims
- Levothyroxine Sodium24 claims
- Losartan Potassium20 claims
- Tresiba Flextouch U-20020 claims
- Tramadol Hcl19 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.
Bills Medicare through one group practice
- University OF Arkansas For Medical SciencesFort Smith, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine A. Irish-Clardy among 1,681 family medicine physician records in Arkansas
Katherine A. Irish-Clardy, M.D. is one of 1,681 family medicine physician records with a practice address in Arkansas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1996 · median 2004 among the 1,156 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
103 family medicine physician records list a practice address in Fort Smith
They are 103 of the 2,951 NPPES records with a practice address in Fort Smith, and 1,681 family medicine physician records in Arkansas.
All 1,681 in Arkansas → Every provider in Fort Smith → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jimmy Acklin, M.D.Fort Smith, AR 729011356345052
- Laura Adams, MDFort Smith, AR 729011740277557
- Dale Asbury, MDFort Smith, AR 729011972545028
- Bryan Clardy, M.D.Fort Smith, AR 729011326042037
- Glenn Gibbons, MDFort Smith, AR 729011053308874
- David King, MDFort Smith, AR 729011316918964
- Albert Koenig, M.D.Fort Smith, AR 729011801894738
- Rodney McDonald, MDFort Smith, AR 729011811945983
Common questions
What is Katherine A. Irish-Clardy, M.D.'s NPI number?
Katherine A. Irish-Clardy, M.D.'s National Provider Identifier (NPI) is 1679577381, issued on Jun 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Katherine A. Irish-Clardy, M.D. located?
The NPPES record lists a practice address at 1301 S E St, Fort Smith, AR, 72901. Phone: (479) 785-2431. Providers update this record themselves, so call before visiting.
How can I verify Katherine A. Irish-Clardy, M.D.'s license?
NPPES lists Arkansas license number E-2393, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine A. Irish-Clardy, M.D. prescribe under Medicare Part D?
In 2024, Katherine A. Irish-Clardy, M.D. had 540 Medicare Part D claims for 65 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.