Joel Dworkin, M.D., PHD
Nephrology Physician · Little Rock, AR
Joel Dworkin, M.D., PHD is a nephrology physician with a practice address in Little Rock, Arkansas, and NPI 1841270774, issued on Jan 18, 2006. Check the license (Arkansas E4077, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joel Dworkin
- Credential
- M.D., PHD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- E4077 AR
Self-reported in NPPES; status is on the state search - Practice location
- 500 S University, Little Rock, AR 72205
- Phone
- (501) 663-0029
- Enumerated
- Jan 18, 2006
- Record last updated
- Oct 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (501) 663-0099
- Medicaid ID
- 154326001 AR
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 92 in Arkansas → Look up another NPI →
Also registered at 500 S University
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joel Dworkin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E4077Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nephrology physician in 2024
21 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.
Most prescribed
- Furosemide11 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.
Joel Dworkin among 92 nephrology physician records in Arkansas
Joel Dworkin, M.D., PHD is one of 92 nephrology physician records with a practice address in Arkansas. 86% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 49% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2012 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Arkansas
There are 92 nephrology physician records in Arkansas.
All 92 in Arkansas → Every provider in Little Rock → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- John Arthur, MDLittle Rock, AR 722051003924952
- Gregory Bienvenu, M.D.Little Rock, AR 722051053302893
- Alex David, M.D.Little Rock, AR 722051437140373
- John Heifner, M.D.Little Rock, AR 722051588666895
- Fakhar Ijaz, MDLittle Rock, AR 722051487653820
- Luis Juncos, M.D.Little Rock, AR 722051124092416
- Shane Kimball, D.O.Little Rock, AR 722051396747606
- Noel Medel, M.D.Little Rock, AR 722051063403913
Common questions
What is Joel Dworkin, M.D., PHD's NPI number?
Joel Dworkin, M.D., PHD's National Provider Identifier (NPI) is 1841270774, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joel Dworkin, M.D., PHD located?
The NPPES record lists a practice address at 500 S University, Little Rock, AR, 72205. Phone: (501) 663-0029. Providers update this record themselves, so call before visiting.
How can I verify Joel Dworkin, M.D., PHD's license?
NPPES lists Arkansas license number E4077, 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 Joel Dworkin, M.D., PHD prescribe under Medicare Part D?
In 2024, Joel Dworkin, M.D., PHD had 21 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. 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.