Registry data as of Aug 27, 2026

David Gantz, DO

Family Medicine Physician · Creston, IA

David Gantz, DO is a family medicine physician with a practice address in Creston, Iowa, and NPI 1639551567, issued on Jun 27, 2015. Check the license (Iowa DO-06155, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1639551567
Name
David Gantz
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
DO-06155 IA
Self-reported in NPPES; status is on the state search
Practice location
1700 W Townline St, Creston, IA 50801
Phone
(641) 782-2131
Enumerated
Jun 27, 2015
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 1700 W Townline St

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

  1. Gregory Anderson, CRNACertified Registered Nurse Anesthetist1265641310
  2. Stephanie Anderson, CRNACertified Registered Nurse Anesthetist1629275532
  3. Brooke Becker, ARNP, CPNP-PCPediatric Nurse Practitioner1427607753
  4. Leeann Berg, ARNPPsychiatric/Mental Health Nurse Practitioner1710548581
  5. Madison Bergren, FNP-CRegistered Nurse1356810949
  6. Megan Birchard, ATCAthletic Trainer1780164996

Verify David Gantz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license DO-06155
    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 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.

41% fewer Medicare Part D claims than the average family medicine physician in 2024

2,068 Medicare Part D claims for 147 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 138 claims were for opioids.

  1. David Gantz2,068
  2. Specialty average3,519

Most prescribed

  1. Lisinopril82 claims
  2. Gabapentin78 claims
  3. Atorvastatin Calcium76 claims
  4. Pantoprazole Sodium68 claims
  5. Levothyroxine Sodium61 claims
  6. Amlodipine Besylate56 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.

One hospital or facility affiliation

  1. Greater Regional Medical CenterCreston, IA · Critical Access Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

8 family medicine physician records list a Creston practice address

They are 8 of the 134 NPPES records with a Creston practice address, and 2,300 family medicine physician records in Iowa.

Other family medicine physician records in Iowa

  1. Jennifer Aanestad, M.D.Durant, IA1386649341
  2. Amjad Abdelhady, MDSioux City, IA1033966700
  3. Afsana Abdullah, D.O.Bettendorf, IA1760583066
  4. Raja Ali Abdullah, MDCedar Falls, IA1356101000
  5. Laura Abels, DOAnkeny, IA1427313527
  6. Matthew AbendrothDes Moines, IA1972918894
  7. Mabra Abernathy, M.D.Coralville, IA1316922545
  8. Jennifer Abler, D.O.Altoona, IA1528159068
  9. Michael Abouassaly, M.D.West Burlington, IA1184790909
  10. Nesrin Abu Ata, M.D.Sioux City, IA1528297660

Common questions

What is David Gantz, DO's NPI number?

David Gantz, DO's National Provider Identifier (NPI) is 1639551567, issued on Jun 27, 2015. An NPI identifies a provider in billing; it is not a license.

Where is David Gantz, DO located?

The NPPES record lists a practice address at 1700 W Townline St, Creston, IA, 50801. Phone: (641) 782-2131. Providers update this record themselves, so call before visiting.

How can I verify David Gantz, DO's license?

NPPES lists Iowa license number DO-06155, as entered by the provider. 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.

How much does David Gantz, DO prescribe under Medicare Part D?

In 2024, David Gantz, DO had 2,068 Medicare Part D claims for 147 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

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.