NPPES file of Aug 9, 2026

Bren O'Connor, D.D.S

General Practice Dentistry · Iowa City, IA

Bren O'Connor, D.D.S is a general practice dentistry with a practice address in Iowa City, Iowa, and NPI 1326429382, issued on Jun 16, 2015. Check the license (Iowa DDS-09190, as entered in NPPES) with the Iowa board that licenses this profession; 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
1326429382
Name
Bren O'Connor
Credential
D.D.S
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
DDS-09190 IA
Self-reported in NPPES; status is on the state search
Practice location
1112 N Dodge St, Iowa City, IA 52245
Phone
(319) 338-1171
Enumerated
Jun 16, 2015
Record last updated
Jul 23, 2025
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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Verify Bren O'Connor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license DDS-09190
    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
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30% fewer Medicare Part D claims than the average general practice dentistry in 2024

58 Medicare Part D claims for 37 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Bren O'Connor58
  2. Specialty average83

Most prescribed

  1. Amoxicillin33 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: $148.98

2 payments; by number, the most common kind was food and beverage; the largest payer was A-dec, Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Bren O'Connor$148.98
  2. Specialty average$597.01

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

Bren O'Connor among 1,239 general practice dentistry records in Iowa

Bren O'Connor, D.D.S is one of 1,239 general practice dentistry records with a practice address in Iowa. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 75% of them.

  • NPI issued2015 · 75% of these records are older, 23% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2025 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

100 general practice dentistry records list a practice address in Iowa City

They are 100 of the 7,163 NPPES records with a practice address in Iowa City, and 1,239 general practice dentistry records in Iowa.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Jessica Bertoglio, D.D.S.Iowa City, IA 522451235348731
  2. Robert Blair, D.D.S.Iowa City, IA 522451750682936
  3. Ann Connors, D.D.S.Iowa City, IA 522451255540753
  4. Catharine Farinelli, D.D.S.Iowa City, IA 522451356356463
  5. Chad Olinger, DDSIowa City, IA 522451811245004
  6. Randy Poole, D.D.S.Iowa City, IA 522451609883578
  7. Fred Riddle, DDSIowa City, IA 522451588786651
  8. Glenn Yowell, DDSIowa City, IA 522451568424497

Common questions

What is Bren O'Connor, D.D.S's NPI number?

Bren O'Connor, D.D.S's National Provider Identifier (NPI) is 1326429382, issued on Jun 16, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Bren O'Connor, D.D.S located?

The NPPES record lists a practice address at 1112 N Dodge St, Iowa City, IA, 52245. Phone: (319) 338-1171. Providers update this record themselves, so call before visiting.

How can I verify Bren O'Connor, D.D.S's license?

NPPES lists Iowa license number DDS-09190, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Bren O'Connor, D.D.S prescribe under Medicare Part D?

In 2024, Bren O'Connor, D.D.S had 58 Medicare Part D claims for 37 beneficiaries; the average among general practice dentistry prescribers was 83. 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.