NPPES file of Aug 9, 2026

Tiffany Willis, MD

Family Medicine Physician · Marengo, IA

Tiffany Willis, MD is a family medicine physician with a practice address in Marengo, Iowa, and NPI 1750370383, issued on Oct 17, 2005. Check the license (Iowa 36129, 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
1750370383
Name
Tiffany Willis
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
36129 IA
Self-reported in NPPES; status is on the state search
Practice location
255 W Lucas St, Marengo, IA 52301
Phone
(319) 642-5213
Enumerated
Oct 17, 2005
Record last updated
Apr 11, 2025
Fax
(319) 642-3636
Medicare enrollment
Enrolled (PECOS I20131223001538); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 255 W Lucas St

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

  1. Jilia Getner, PACPhysician Assistant1316933203
  2. Philip McCune, D.O.Family Medicine Physician1114038098
  3. Benjamin Miller, D.O.Family Medicine Physician1982991048
  4. Heidi Wauters, ARNPFamily Nurse Practitioner1891806790

Verify Tiffany Willis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 36129
    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 family medicine physician in 2024

75 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Tiffany Willis75
  2. Specialty average3,544

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.

Bills Medicare through 2 group practices

  1. Guam X-RayTamuning, GU
  2. Kagman Community Health Center IncSaipan, MP

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

5 family medicine physician records list a practice address in Marengo

They are 5 of the 49 NPPES records with a practice address in Marengo, and 2,336 family medicine physician records in Iowa.

Other family medicine physician records in Iowa

  1. Jennifer Aanestad, M.D.Durant, IA1386649341
  2. Amjad Abdelhady, MDSioux City, IA1033966700
  3. Afsana Abdullah, D.O.Bettendorf, IA1760583066
  4. Raja Ali Abdullah, MDCedar Falls, IA1356101000
  5. Laura Abels, DOAnkeny, IA1427313527
  6. Matthew AbendrothDes Moines, IA1972918894
  7. Mabra Abernathy, M.D.Coralville, IA1316922545
  8. Jennifer Abler, D.O.Altoona, IA1528159068
  9. Michael Abouassaly, M.D.West Burlington, IA1184790909
  10. Safa Abukhalil, M.B.B.SWest Des Moines, IA1982084463

Common questions

What is Tiffany Willis, MD's NPI number?

Tiffany Willis, MD's National Provider Identifier (NPI) is 1750370383, issued on Oct 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Tiffany Willis, MD located?

The NPPES record lists a practice address at 255 W Lucas St, Marengo, IA, 52301. Phone: (319) 642-5213. Providers update this record themselves, so call before visiting.

How can I verify Tiffany Willis, MD's license?

NPPES lists Iowa license number 36129, 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 Tiffany Willis, MD prescribe under Medicare Part D?

In 2024, Tiffany Willis, MD had 75 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.