NPPES file of Aug 9, 2026

Jonathan Andrew Fahler, DO

Gastroenterology Physician · West Des Moines, IA

Jonathan Andrew Fahler, DO is a gastroenterology physician with a practice address in West Des Moines, Iowa, and NPI 1780905729, issued on Jun 14, 2010. Check the license (Iowa DO-04375, 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
1780905729
Name
Jonathan Andrew Fahler
Credential
DO
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
DO-04375 IA
62049-21 WI
Self-reported in NPPES; status is on the state search
Practice location
5950 University Ave Ste 221, West Des Moines, IA 50266
Phone
(515) 875-9115
Enumerated
Jun 14, 2010
Record last updated
Dec 20, 2023
Fax
(515) 875-9117
Medicare enrollment
Enrolled (PECOS I20140120000132); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5950 University Ave Ste 221

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

  1. Tyler Aasen, D.O.Gastroenterology Physician1740690205
  2. Amber Dvorak, ARNPNurse Practitioner1275073108
  3. Kjersten Ferriss, FNP-CNurse Practitioner1679019178
  4. Christopher Gibbs, MDGastroenterology Physician1619021144
  5. Shawn Hancock, D.O.Gastroenterology Physician1467410720
  6. Clayton Jordan, D.O.Gastroenterology Physician1518306323

Verify Jonathan Andrew Fahler 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-04375
    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

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31% more Medicare Part D claims than the average gastroenterology physician in 2024

1,063 Medicare Part D claims for 500 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims. 27 claims were for opioids.

  1. Jonathan Fahler1,063
  2. Specialty average811

Most prescribed

  1. Sod Sulf-Potass Sulf-Mag Sulf197 claims
  2. Peg 3350-Electrolyte167 claims
  3. Pantoprazole Sodium137 claims
  4. Stelara77 claims
  5. Omeprazole58 claims
  6. Azathioprine43 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: $15.29

1 payment: food and beverage; the largest payer was Olympus America Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jonathan Fahler$15.29
  2. Specialty average$5,015.95

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

Bills Medicare through one group practice

  1. The Iowa Clinic PCWest Des Moines, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gastroenterology Physician providers in Iowa

There are 122 gastroenterology physician records in Iowa.

Other gastroenterology physician records in Iowa

  1. Tyler Aasen, D.O.West Des Moines, IA1740690205
  2. Abdullah Abbasi, MDIowa City, IA1932944204
  3. Abdillahi Abdinoor, MDClive, IA1336377043
  4. Dean Abramson, MDIowa City, IA1275517658
  5. Barakat Aburajab Altamimi, M.D.Cedar Rapids, IA1225444862
  6. Amol Agarwal, MDClive, IA1043604473
  7. Anjana Aggarwal, MDIowa City, IA1467436899
  8. Naurang Agrawal, MDIowa City, IA1083661771
  9. Mehwish Ahmed, MDWest Des Moines, IA1225561327
  10. Bhavya Akhauri, M.D.Cedar Rapids, IA1639332745

Common questions

What is Jonathan Andrew Fahler, DO's NPI number?

Jonathan Andrew Fahler, DO's National Provider Identifier (NPI) is 1780905729, issued on Jun 14, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Andrew Fahler, DO located?

The NPPES record lists a practice address at 5950 University Ave Ste 221, West Des Moines, IA, 50266. Phone: (515) 875-9115. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Andrew Fahler, DO's license?

NPPES lists Iowa license number DO-04375, 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 Jonathan Andrew Fahler, DO prescribe under Medicare Part D?

In 2024, Jonathan Andrew Fahler, DO had 1,063 Medicare Part D claims for 500 beneficiaries; 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.