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Pulmonary Disease

John Sherret, DO

Works at hospitals in Waterloo, IA · Cedar Falls, IA · Waverly, IA · Iowa

Summary

John Sherret, DO (Pulmonary Disease) is listed by Medicare at 4 hospitals in Waterloo, IA, Cedar Falls, IA and Waverly, IA. NPI 1699330381. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John Sherret, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Pulmonary DiseasePrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
Liberty Univ College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Covenant Medical Center IncGroup practice

Quick answers

Which hospitals does John Sherret work at?
Medicare's official clinician data lists John Sherret at 4 hospitals: Allen Hospital, MercyOne Waterloo Medical Center, Sartori Memorial Hospital, Inc and Waverly Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John Sherret see patients?
Medicare's clinician data lists 1 practice location in Waterloo, IA. Call before your visit to confirm the address.
What is John Sherret's specialty?
Medicare lists Pulmonary Disease as the primary specialty.
Does John Sherret accept Medicare assignment?
Yes. Medicare's clinician data says John Sherret accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for John Sherret?
(319) 272-5000, as listed in official Medicare / NPI Registry data.
What is John Sherret's NPI number?
1699330381. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John Sherret works

Medicare's Facility Affiliation Data lists John Sherret at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John Sherret is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John Sherret as a member of this group (CMS data updated 2026-10-02).

  • Covenant Medical Center Inc235 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Iowa →

Other pulmonologists in Iowa

Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.

All pulmonologists in Iowa →

Clinician information

CredentialDO
Medical schoolLiberty Univ College Of Osteopathic Medicine
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699330381
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians