Registry data as of Aug 27, 2026

Randall Brenton, M.D.

Ophthalmology Physician · Mason City, IA

Randall Brenton, M.D. is an ophthalmology physician with a practice address in Mason City, Iowa, and NPI 1619085727, issued on Aug 28, 2006. Check the license on the Iowa Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1619085727
Name
Randall Brenton
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
Practice location
3121 4TH St SW, Mason City, IA 50401
Phone
(641) 423-8861
Enumerated
Aug 28, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3121 4TH St SW

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

  1. Thomas Augustin, O.D.Optometrist1275845711
  2. Bradney Carter, D.OOphthalmology Physician1619312980
  3. James Dummett, M.D.Ophthalmology Physician1023126141
  4. Bradley Isaak, M.D.Ophthalmology Physician1699883256
  5. Kent Juffer, O.D.Optometrist1477661502
  6. Mark Meyer, M.D.Ophthalmology Physician1083722102

Verify Randall Brenton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of MedicineCheck 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 Iowa 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.

Ophthalmology Physician providers in Iowa

There are 205 ophthalmology physician records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other ophthalmology physician records in Iowa

  1. Noor-Us-Sabah Ahmad, MBBSIowa City, IA1356195937
  2. Kyle Alliman, M.D.West Des Moines, IA1437360351
  3. Adel Alsuhaibani, M.B., B.S.Iowa City, IA1972710770
  4. Wallace Alward, MDIowa City, IA1063413417
  5. Beth Amspaugh, MDWest Des Moines, IA1861644817
  6. Steven Anderson, MDAmes, IA1942288717
  7. Oladipupo Anibire, MDIowa City, IA1588358410
  8. Leonardo Antaris, M.D.Davenport, IA1679541973
  9. Amir Arbisser, MDBettendorf, IA1548247992
  10. Lisa Arbisser, M.D.Bettendorf, IA1528060084

Common questions

What is Randall Brenton, M.D.'s NPI number?

Randall Brenton, M.D.'s National Provider Identifier (NPI) is 1619085727, issued on Aug 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Randall Brenton, M.D. located?

The NPPES record lists a practice address at 3121 4TH St SW, Mason City, IA, 50401. Phone: (641) 423-8861. Providers update this record themselves, so call before visiting.

How can I verify Randall Brenton, M.D.'s license?

Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.