Tavi J. Madden-Leduc, DO
Emergency Medicine Physician · Mason City, IA
Tavi J. Madden-Leduc, DO is an emergency medicine physician with a practice address in Mason City, Iowa, and NPI 1407889272, issued on Jul 7, 2006. Check the license (Iowa 3705, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Tavi J. Madden-Leduc
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 3705 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 4TH St SW, Mason City, IA 50401
- Phone
- (641) 422-7234
- Enumerated
- Jul 7, 2006
- Record last updated
- Jul 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (641) 422-6373
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 509 in Iowa → Look up another NPI →
Also registered at 1000 4TH St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamed Abdi, MDRadiation Oncology Physician1982162608
- Luna Acharya, MDHospitalist Physician1609224674
- Jenna AdamsMental Health Counselor1407790710
- Sheela Ahari, MDAnesthesiology Physician1518910462
- Tauseef Akhtar, MDCardiovascular Disease Physician1508218009
- Emad Alamouti-Fard, MDFamily Medicine Physician1811821499
Verify Tavi J. Madden-Leduc in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 3705Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average emergency medicine physician in 2024
80 Medicare Part D claims for 67 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin19 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.
Tavi J. Madden-Leduc among 509 emergency medicine physician records in Iowa
Tavi J. Madden-Leduc, DO is one of 509 emergency medicine physician records with a practice address in Iowa. 74% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 59% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2020 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 emergency medicine physician records list a practice address in Mason City
They are 12 of the 866 NPPES records with a practice address in Mason City, and 509 emergency medicine physician records in Iowa.
All 509 in Iowa → Every provider in Mason City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Gabriel Bensaad-Johnson, DOMason City, IA 504011417538570
- Patricia Endress, DOMason City, IA 504011922116581
- Paul Gordon, MDMason City, IA 504011215043013
- Javeria Iqbal, DOMason City, IA 504011912254038
- Kimberly LovikMason City, IA 504011790130078
- Paul Manternach, MDMason City, IA 504011649256272
- William Parker, MDMason City, IA 504011356459903
- Melanie Rajkumar, M.D.Mason City, IA 504011962847434
Common questions
What is Tavi J. Madden-Leduc, DO's NPI number?
Tavi J. Madden-Leduc, DO's National Provider Identifier (NPI) is 1407889272, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tavi J. Madden-Leduc, DO located?
The NPPES record lists a practice address at 1000 4TH St SW, Mason City, IA, 50401. Phone: (641) 422-7234. Providers update this record themselves, so call before visiting.
How can I verify Tavi J. Madden-Leduc, DO's license?
NPPES lists Iowa license number 3705, 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 Tavi J. Madden-Leduc, DO prescribe under Medicare Part D?
In 2024, Tavi J. Madden-Leduc, DO had 80 Medicare Part D claims for 67 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.