John L. Kientz, MD
Internal Medicine Physician · Fort Smith, AR
John L. Kientz, MD is an internal medicine physician with a practice address in Fort Smith, Arkansas, and NPI 1568450393, issued on Oct 6, 2005. Check the license (Arkansas C4888, as entered in NPPES) on the Arkansas State Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John L. Kientz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C4888 AR
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Dodson Ave, Fort Smith, AR 72901
- Phone
- (479) 709-7445
- Enumerated
- Oct 6, 2005
- Record last updated
- Aug 5, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (479) 573-7849
- Medicaid IDs
- 105772001 AR
100076220A OK - Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 768 in Arkansas → Look up another NPI →
Also registered at 1500 Dodson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Beare, PHDPsychologist1609863562
- Joshua Casey, APRN, CRNACertified Registered Nurse Anesthetist1720445661
- Joel Cheong, M.D.Internal Medicine Physician1255309159
Verify John L. Kientz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license C4888Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John L. Kientz among 768 internal medicine physician records in Arkansas
John L. Kientz, MD is one of 768 internal medicine physician records with a practice address in Arkansas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileNo · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2016 · 50% 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 Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
68 internal medicine physician records list a practice address in Fort Smith
They are 68 of the 2,951 NPPES records with a practice address in Fort Smith, and 768 internal medicine physician records in Arkansas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 768 in Arkansas → Every provider in Fort Smith → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joel Cheong, M.D.Fort Smith, AR 729011255309159
- Jon Harper, MDFort Smith, AR 729011548258361
- Richard Hinkle, MDFort Smith, AR 729011346238441
- Charles Jennings, MDFort Smith, AR 729011558359398
- Holly Jennings, MDFort Smith, AR 729011083602825
- Fareed Kannout, MDFort Smith, AR 729011144242892
- Thuylinh Pham, M.D.Fort Smith, AR 729011356396790
- Paul Pradel, MDFort Smith, AR 729011083602353
Common questions
What is John L. Kientz, MD's NPI number?
John L. Kientz, MD's National Provider Identifier (NPI) is 1568450393, issued on Oct 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John L. Kientz, MD located?
The NPPES record lists a practice address at 1500 Dodson Ave, Fort Smith, AR, 72901. Phone: (479) 709-7445. Providers update this record themselves, so call before visiting.
How can I verify John L. Kientz, MD's license?
NPPES lists Arkansas license number C4888, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.