Garrett Filas Mortensen, MD
Surgery Physician · Dubuque, IA
Garrett Filas Mortensen, MD is a surgery physician with a practice address in Dubuque, Iowa, and NPI 1518233428, issued on Mar 25, 2012. Check the license (Iowa MD45491, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Garrett Filas Mortensen
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- MD45491 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Langworthy St, Dubuque, IA 52001
- Phone
- (563) 584-3450
- Enumerated
- Mar 25, 2012
- Record last updated
- Aug 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (563) 584-3171
- Medicare enrollment
- Enrolled (PECOS I20180913000288); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2012
- Entity
- Type 1 · individual
Also registered at 1000 Langworthy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Louis Alt, M.D.Otolaryngology Physician1902855778
- Courtney Ambrosy, PA-CPhysician Assistant1457121345
- Sarah ArnoldMedical Physician Assistant1558016113
- Paula Aston, MDNeurology Physician1144286675
- Kala Ave-Lallemant, FNPFamily Nurse Practitioner1235551656
- Martin Bagby, DOFamily Medicine Physician1942269402
Verify Garrett Filas Mortensen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD45491Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% more Medicare Part D claims than the average surgery physician in 2024
252 Medicare Part D claims for 140 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 41 claims were for opioids.
Most prescribed
- Pantoprazole Sodium54 claims
- Hydrocodone-Acetaminophen39 claims
- Gavilyte-G22 claims
- Famotidine17 claims
- Sucralfate17 claims
- Ursodiol17 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: $45.24
2 payments; by number, the most common kind was food and beverage; the largest payer was Davol Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Lafayette CountyDarlington, WI
- Medical Associates Clinic P CDubuque, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Surgery Physician providers in Iowa
There are 437 surgery physician records in Iowa.
Other surgery physician records in Iowa
- David Aanestad, MDDavenport, IA1548230832
- Mark Abraham, MDCarroll, IA1760612964
- Josiah AdamsonDes Moines, IA1821981002
- Johan Aerts, D.O.Des Moines, IA1962683243
- Patrick Ahrens, M.D.Council Bluffs, IA1508858028
- Olajumoke Akala, DODes Moines, IA1619723129
- Mai Al Khadem, MDSioux City, IA1134651979
- Donald Anderson, DODes Moines, IA1942714514
- Mark Andrew, MDClarion, IA1174567895
- Noah Antes, MDIowa City, IA1790612802
Common questions
What is Garrett Filas Mortensen, MD's NPI number?
Garrett Filas Mortensen, MD's National Provider Identifier (NPI) is 1518233428, issued on Mar 25, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Garrett Filas Mortensen, MD located?
The NPPES record lists a practice address at 1000 Langworthy St, Dubuque, IA, 52001. Phone: (563) 584-3450. Providers update this record themselves, so call before visiting.
How can I verify Garrett Filas Mortensen, MD's license?
NPPES lists Iowa license number MD45491, 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 Garrett Filas Mortensen, MD prescribe under Medicare Part D?
In 2024, Garrett Filas Mortensen, MD had 252 Medicare Part D claims for 140 beneficiaries; the average among surgery physician prescribers was 147. 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.