NPPES file of Aug 9, 2026

William Davidson, M.D.

Gastroenterology Physician · Bettendorf, IA

William Davidson, M.D. is a gastroenterology physician with a practice address in Bettendorf, Iowa, and NPI 1225010499, issued on Nov 15, 2005. Check the license (Iowa 29969, as entered in NPPES) on the Iowa Board of Medicine; 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
1225010499
Name
William Davidson
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
29969 IA
Self-reported in NPPES; status is on the state search
Practice location
2222 53RD Ave, Bettendorf, IA 52722
Phone
(563) 383-2686
Enumerated
Nov 15, 2005
Record last updated
Mar 7, 2023
Fax
(563) 884-8144
Medicaid ID
0113563 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 2222 53RD Ave

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

  1. Young Huh, MDGastroenterology Physician1407830912
  2. Erling Larson, MDGastroenterology Physician1972585149
  3. Ryan Perumpail, M.D.Gastroenterology Physician1649546623
  4. David Pratt, MDGastroenterology Physician1073597597
  5. Richard Weyman, MDGastroenterology Physician1295717478

Verify William Davidson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 29969
    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.

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98% fewer Medicare Part D claims than the average gastroenterology physician in 2024

13 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. William Davidson13
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium12 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.

William Davidson among 122 gastroenterology physician records in Iowa

William Davidson, M.D. is one of 122 gastroenterology physician records with a practice address in Iowa. 80% 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, 73% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 gastroenterology physician records list a practice address in Bettendorf

They are 7 of the 761 NPPES records with a practice address in Bettendorf, and 122 gastroenterology physician records in Iowa.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Young Huh, MDBettendorf, IA 527221407830912
  2. Erling Larson, MDBettendorf, IA 527221972585149
  3. Ryan Perumpail, M.D.Bettendorf, IA 527221649546623
  4. David Pratt, MDBettendorf, IA 527221073597597
  5. Samyuktha Ramavaram, M.DBettendorf, IA 527221467743039
  6. Richard Weyman, MDBettendorf, IA 527221295717478
  7. Ahmed Elahmady, MDClinton, IA 527321265412803
  8. Mohammed Irshad, M.D.Clinton, IA 527321508854589

Common questions

What is William Davidson, M.D.'s NPI number?

William Davidson, M.D.'s National Provider Identifier (NPI) is 1225010499, issued on Nov 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Davidson, M.D. located?

The NPPES record lists a practice address at 2222 53RD Ave, Bettendorf, IA, 52722. Phone: (563) 383-2686. Providers update this record themselves, so call before visiting.

How can I verify William Davidson, M.D.'s license?

NPPES lists Iowa license number 29969, 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 William Davidson, M.D. prescribe under Medicare Part D?

In 2024, William Davidson, M.D. had 13 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. 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.