NPPES file of Aug 9, 2026

Carol Halloran, DDS

Dentist · Waterloo, IA

Carol Halloran, DDS is a dentist with a practice address in Waterloo, Iowa, and NPI 1407831746, issued on Dec 9, 2005. Check the license (Iowa 07465, 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
1407831746
Name
Carol Halloran
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
07465 IA
Self-reported in NPPES; status is on the state search
Practice location
1950 Plymouth Ave, Waterloo, IA 50702
Phone
(319) 291-3908
Enumerated
Dec 9, 2005
Record last updated
Sep 27, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(319) 291-4077
Medicaid ID
0076372 IA
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 1950 Plymouth Ave

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

  1. Paul Willy, DENTIST DDSDentist1619085701

Verify Carol Halloran 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 07465
    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
Find the Iowa license search

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31% fewer Medicare Part D claims than the average dentist in 2024

59 Medicare Part D claims for 24 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Carol Halloran59
  2. Specialty average86

Most prescribed

  1. Chlorhexidine Gluconate27 claims
  2. Amoxicillin13 claims
  3. Sodium Fluoride 5000 Plus12 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: $14.39

1 payment: food and beverage; the largest payer was Solventum Corporation. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carol Halloran$14.39
  2. Specialty average$540.36

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

Carol Halloran among 726 dentist records in Iowa

Carol Halloran, DDS is one of 726 dentist records with a practice address in Iowa. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2012 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 dentist records list a practice address in Waterloo

They are 21 of the 1,512 NPPES records with a practice address in Waterloo, and 726 dentist records in Iowa.

The 8 dentist records with the nearest ZIP codes

  1. Paymun Bayati, DDSWaterloo, IA 507021487876710
  2. Amber Cox, DMDWaterloo, IA 507021023731270
  3. Christopher Gavarrete, D.D.S.Waterloo, IA 507021285159426
  4. James Nelson, DDSWaterloo, IA 507021053472902
  5. Alex Vitzthum, DDSWaterloo, IA 507021013447515
  6. David Whittemore, D.D.S.Waterloo, IA 507021619147261
  7. Paul Willy, DENTIST DDSWaterloo, IA 507021619085701
  8. Ayah Bilbeisi, DDSWaterloo, IA 507031073825006

Common questions

What is Carol Halloran, DDS's NPI number?

Carol Halloran, DDS's National Provider Identifier (NPI) is 1407831746, issued on Dec 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Carol Halloran, DDS located?

The NPPES record lists a practice address at 1950 Plymouth Ave, Waterloo, IA, 50702. Phone: (319) 291-3908. Providers update this record themselves, so call before visiting.

How can I verify Carol Halloran, DDS's license?

NPPES lists Iowa license number 07465, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Carol Halloran, DDS prescribe under Medicare Part D?

In 2024, Carol Halloran, DDS had 59 Medicare Part D claims for 24 beneficiaries; the average among dentist prescribers was 86. 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.