Thomas Marquardt, DPM
Podiatrist · Decorah, IA
Thomas Marquardt, DPM is a podiatrist with a practice address in Decorah, Iowa, and NPI 1841245131, issued on May 24, 2006. Check the license (Iowa 794, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas Marquardt
- Credential
- DPM
- Primary taxonomy
- Podiatrist 213E00000X
- License numbers
- 794 IA
753 WI
Self-reported in NPPES; status is on the state search - Practice location
- 901 Montgomery St, Decorah, IA 52101
- Phone
- (563) 382-2911
- Enumerated
- May 24, 2006
- Record last updated
- Oct 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (563) 387-3102
- Medicaid IDs
- 737613000 MN
0734004 IA - Medicare enrollment
- Enrolled (PECOS I20061205000210); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest podiatrist records → All 130 in Iowa → Look up another NPI →
Also registered at 901 Montgomery St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lydia AdamsCertified Registered Nurse Anesthetist1538584131
- Sarah Anderson, PT, DPT, SCSPhysical Therapist1518293091
- Lisa Barnes, MS, PA-CPhysician Assistant1265540710
- Larry Barthel, MDEmergency Medicine Physician1821079906
- Jennifer Becker, FNPNurse Practitioner1295380400
- Chelsey Bohr, PTPhysical Therapist1336786532
Verify Thomas Marquardt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 794Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average podiatrist in 2024
55 Medicare Part D claims for 39 beneficiaries, against an average of 314 among the 6,407 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 33 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen24 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: $2,540.92
17 payments; by number, the most common kind was food and beverage; the largest payer was Arthrex, Inc. The 4,596 providers of this specialty with any payment received $2,476.60 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 one group practice
- Winneshiek Medical CenterDecorah, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Marquardt among 130 podiatrist records in Iowa
Thomas Marquardt, DPM is one of 130 podiatrist records with a practice address in Iowa. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 28% of them.
- NPI issued2006 · 28% of these records are older, 33% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1995 · median 1997 among the 87 with a school on file
- Record last updated2020 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213E00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Podiatrist providers in Iowa
There are 130 podiatrist records in Iowa.
All 130 in Iowa → Every provider in Decorah → Podiatrist nationwide →
The 8 podiatrist records with the nearest ZIP codes
- Gregory Valkosky, DPMDecorah, IA 521011356307185
- Wayne Wagoner, DPMMaquoketa, IA 520601508079138
- Jeffrey Klein, DPMDyersville, IA 520401164491205
- Terry Boyle, D.P.M.Dubuque, IA 520021861442675
- Tara Brock, D.P.M.Dubuque, IA 520021164472783
- Theresa Hughes, D.P.M.Dubuque, IA 520021437252335
- Kelsey Harvey, D.P.M.Dubuque, IA 520011710278486
- Steven Schuck, DPMDubuque, IA 520011114954013
Common questions
What is Thomas Marquardt, DPM's NPI number?
Thomas Marquardt, DPM's National Provider Identifier (NPI) is 1841245131, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Marquardt, DPM located?
The NPPES record lists a practice address at 901 Montgomery St, Decorah, IA, 52101. Phone: (563) 382-2911. Providers update this record themselves, so call before visiting.
How can I verify Thomas Marquardt, DPM's license?
NPPES lists Iowa license number 794, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas Marquardt, DPM prescribe under Medicare Part D?
In 2024, Thomas Marquardt, DPM had 55 Medicare Part D claims for 39 beneficiaries; the average among podiatrist prescribers was 314. 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.