NPPES file of Aug 9, 2026

Edwin A. Diaz, M.D.

Urology Physician · North Little Rock, AR

Edwin A. Diaz, M.D. is a urology physician with a practice address in North Little Rock, Arkansas, and NPI 1275508939, issued on Feb 17, 2006. Check the license (Arkansas E4076, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275508939
Name
Edwin A. Diaz
Credential
M.D.
Primary taxonomy
Urology Physician 208800000X
License number
E4076 AR
Self-reported in NPPES; status is on the state search
Practice location
3401 Springhill Dr, North Little Rock, AR 72117
Phone
(501) 945-2121
Enumerated
Feb 17, 2006
Record last updated
Dec 5, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(501) 537-1875
Medicaid ID
154196001 AR
Medicare enrollment
Enrolled (PECOS I20040629000101); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 3401 Springhill Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Gary Barton, M.D.Specialist1265473821
  2. David Bevans, MDSurgery Physician1144292368
  3. Shannon Case, MDObstetrics & Gynecology Physician1386790137
  4. Steven Clift, M.D.Specialist1285681965
  5. Holly Cockrum, M.D.Specialist1396788519
  6. John Deloach, MDSurgery Physician1740252873

Verify Edwin A. Diaz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArkansas State Medical Board
    Search for license E4076
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arkansas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

99% more Medicare Part D claims than the average urology physician in 2024

2,660 Medicare Part D claims for 775 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 127 claims were for opioids.

  1. Edwin Diaz2,660
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl656 claims
  2. Oxybutynin Chloride Er518 claims
  3. Finasteride325 claims
  4. Myrbetriq141 claims
  5. Levofloxacin123 claims
  6. Solifenacin Succinate121 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: $13,648.34

8 payments; by number, the most common kind was food and beverage; the largest payer was Cryo Specialty Medical, LLC. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Edwin Diaz$13,648
  2. Specialty average$3,800

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Arkansas Urology, P.A.Little Rock, AR
  2. Northeast Arkansas Clinic Charitable Foundation, Inc.Jonesboro, AR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Edwin A. Diaz among 98 urology physician records in Arkansas

Edwin A. Diaz, M.D. is one of 98 urology physician records with a practice address in Arkansas. 70% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 39% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1996 · median 2006 among the 56 with a school on file
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in Arkansas

There are 98 urology physician records in Arkansas.

The 8 urology physician records with the nearest ZIP codes

  1. Gerald Heulitt, M.D.North Little Rock, AR 721171366739971
  2. Ronald Kuhn, M.D.North Little Rock, AR 721171891760583
  3. Peyton Rice, M.D.North Little Rock, AR 721171386825354
  4. J Sulieman, MDSherwood, AR 721201942300041
  5. Dongyeon Han, MDSearcy, AR 721431134236276
  6. William Robertson, MDSearcy, AR 721431548225055
  7. James France, M.D.Conway, AR 720341144229477
  8. Robbie Hurtt, M.D.Conway, AR 720341386908762

Common questions

What is Edwin A. Diaz, M.D.'s NPI number?

Edwin A. Diaz, M.D.'s National Provider Identifier (NPI) is 1275508939, issued on Feb 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Edwin A. Diaz, M.D. located?

The NPPES record lists a practice address at 3401 Springhill Dr, North Little Rock, AR, 72117. Phone: (501) 945-2121. Providers update this record themselves, so call before visiting.

How can I verify Edwin A. Diaz, M.D.'s license?

NPPES lists Arkansas license number E4076, 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 Edwin A. Diaz, M.D. prescribe under Medicare Part D?

In 2024, Edwin A. Diaz, M.D. had 2,660 Medicare Part D claims for 775 beneficiaries; the average among urology physician prescribers was 1,340. 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.