NPPES file of Aug 9, 2026

John Bradley Greiner, D.D.S.

General Practice Dentistry · Des Moines, IA

John Bradley Greiner, D.D.S. is a general practice dentistry with a practice address in Des Moines, Iowa, and NPI 1639217102, issued on Feb 4, 2007. Check the license (Iowa 6670, 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
1639217102
Name
John Bradley Greiner
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
6670 IA
Self-reported in NPPES; status is on the state search
Practice location
4214 Fleur Dr, Des Moines, IA 50321
Phone
(515) 285-1694
Enumerated
Feb 4, 2007
Record last updated
May 21, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(515) 285-1636
Medicaid ID
0007203 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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Verify John Bradley Greiner 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 6670
    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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2.7 times the Medicare Part D claims of the average general practice dentistry in 2024

228 Medicare Part D claims for 113 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. John Greiner228
  2. Specialty average83

Most prescribed

  1. Amoxicillin123 claims
  2. Chlorhexidine Gluconate37 claims
  3. Cephalexin30 claims
  4. Clindamycin Hcl22 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.

John Bradley Greiner among 1,239 general practice dentistry records in Iowa

John Bradley Greiner, 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 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 41% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2008 · 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).

92 general practice dentistry records list a practice address in Des Moines

They are 92 of the 5,538 NPPES records with a practice address in Des Moines, and 1,239 general practice dentistry records in Iowa.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Kellen Bohn, D.D.SDes Moines, IA 503211316519838
  2. Carol Cleaver, D.D.S.Des Moines, IA 503211487721171
  3. John Kearns, D.D.S.Des Moines, IA 503211669546669
  4. Jon Allison, DDSUrbandale, IA 503221427078799
  5. Robert Anderson, DDSWindsor Heights, IA 503221790837391
  6. Tae Barto, D.D.S.Des Moines, IA 503201356578975
  7. Laura Brown, D.D.S.Des Moines, IA 503201649651795
  8. Jay Buckley, D.D.S.Urbandale, IA 503221184726614

Common questions

What is John Bradley Greiner, D.D.S.'s NPI number?

John Bradley Greiner, D.D.S.'s National Provider Identifier (NPI) is 1639217102, issued on Feb 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Bradley Greiner, D.D.S. located?

The NPPES record lists a practice address at 4214 Fleur Dr, Des Moines, IA, 50321. Phone: (515) 285-1694. Providers update this record themselves, so call before visiting.

How can I verify John Bradley Greiner, D.D.S.'s license?

NPPES lists Iowa license number 6670, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does John Bradley Greiner, D.D.S. prescribe under Medicare Part D?

In 2024, John Bradley Greiner, D.D.S. had 228 Medicare Part D claims for 113 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.