NPPES file of Aug 9, 2026

John T. Swisher IV, DO, CAQ, FAAFP

Sports Medicine (Family Medicine) Physician · Mason City, IA

John T. Swisher IV, DO, CAQ, FAAFP is a sports medicine (family medicine) physician with a practice address in Mason City, Iowa, and NPI 1942311584, issued on Aug 31, 2006. Check the license (Iowa 03815, 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
1942311584
Name
John T. Swisher IV
Credential
DO, CAQ, FAAFP
Primary taxonomy
Sports Medicine (Family Medicine) Physician 207QS0010X
License numbers
03815 IA
8418 SD
Self-reported in NPPES; status is on the state search
Practice location
910 N Eisenhower Ave, Mason City, IA 50401
Phone
(641) 428-5911
Enumerated
Aug 31, 2006
Record last updated
Jul 9, 2025
Fax
(641) 428-5985
Medicare enrollment
Enrolled (PECOS I20071129000055); accepts Medicare assignment
Medical or professional school
Des Moines University Of Osteopathic Medicine And Health Sciences, 2006
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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8 nearest sports medicine (family medicine) physician records → All 10 in Iowa → Look up another NPI →

Also registered at 910 N Eisenhower Ave

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

  1. Sadie BohlNurse Practitioner1821694258
  2. Benjamin Buffington, PHARMDPharmacist1770136194
  3. Kerri ConwayOccupational Therapist1922580125
  4. Hashim Eldadah, M.D.Pediatrics Physician1578559761
  5. Joshua Francois, DOPediatrics Physician1396314167
  6. Keith Hargis, RD,LDRegistered Dietitian1669800454

Verify John T. Swisher IV in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 03815    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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2.8 times the Medicare Part D claims of the average sports medicine (family medicine) physician in 2024

2,393 Medicare Part D claims for 192 beneficiaries, against an average of 855 among the 2,237 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. John Swisher IV2,393
  2. Specialty average855

Most prescribed

  1. Atorvastatin Calcium208 claims
  2. Rosuvastatin Calcium191 claims
  3. Lisinopril137 claims
  4. Levothyroxine Sodium130 claims
  5. Losartan Potassium129 claims
  6. Amlodipine Besylate100 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.

Bills Medicare through one group practice

  1. North Iowa Mercy ClinicsMason City, IA

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

John T. Swisher IV among 10 sports medicine (family medicine) physician records in Iowa

John T. Swisher IV, DO, CAQ, FAAFP is one of 10 sports medicine (family medicine) physician records with a practice address in Iowa. 90% 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 0% of them.

  • NPI issued2006 · 0% of these records are older, 60% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QS0010X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sports Medicine (Family Medicine) Physician providers in Iowa

There are 10 sports medicine (family medicine) physician records in Iowa.

All 10 in Iowa → Every provider in Mason City → Sports Medicine (Family Medicine) Physician nationwide →

The 8 sports medicine (family medicine) physician records with the nearest ZIP codes

  1. Marc Molis, MDUrbandale, IA 503221366499964
  2. Shawn Spooner, MDUrbandale, IA 503221134285836
  3. Shannon Bauman, MDWest Des Moines, IA 502661235802075
  4. Eric Reynolds, MDAnkeny, IA 500231992124341
  5. Sarah Bancroft, DOAmes, IA 500101538321971
  6. Marc Shulman, M.D.Ames, IA 500101225191836
  7. Yuka Kodama, MD, PHDIowa City, IA 522451922962240
  8. Daniel Jones, M.D.North Liberty, IA 523171881952182

Common questions

What is John T. Swisher IV, DO, CAQ, FAAFP's NPI number?

John T. Swisher IV, DO, CAQ, FAAFP's National Provider Identifier (NPI) is 1942311584, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John T. Swisher IV, DO, CAQ, FAAFP located?

The NPPES record lists a practice address at 910 N Eisenhower Ave, Mason City, IA, 50401. Phone: (641) 428-5911. Providers update this record themselves, so call before visiting.

How can I verify John T. Swisher IV, DO, CAQ, FAAFP's license?

NPPES lists Iowa license number 03815, 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 John T. Swisher IV, DO, CAQ, FAAFP prescribe under Medicare Part D?

In 2024, John T. Swisher IV, DO, CAQ, FAAFP had 2,393 Medicare Part D claims for 192 beneficiaries; the average among sports medicine (family medicine) physician prescribers was 855. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.