Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hematology/Oncology

William A. Zeitler, MD

Works at hospitals in Iowa City, IA · Iowa

Summary

William A. Zeitler, MD (Hematology/Oncology) is listed by Medicare at 2 hospitals in Iowa City, IA. NPI 1013356096. 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 William A. Zeitler, 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
13Years since medical school (graduated 2013)
University Of Iowa, Rj & L Carver College Of MedicineMedical school
MaleGender (as listed)
State University of IowaGroup practice

Quick answers

Which hospitals does William A. Zeitler work at?
Medicare's official clinician data lists William A. Zeitler at 2 hospitals: University of Iowa Health Care Medical Center Down… and University of Iowa Hospital & Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William A. Zeitler see patients?
Medicare's clinician data lists 1 practice location in Iowa City, IA. Call before your visit to confirm the address.
What is William A. Zeitler's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does William A. Zeitler accept Medicare assignment?
Yes. Medicare's clinician data says William A. Zeitler 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.
Does William A. Zeitler offer telehealth?
Medicare's clinician data says William A. Zeitler offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for William A. Zeitler?
(319) 356-1616, as listed in official Medicare / NPI Registry data.
What is William A. Zeitler's NPI number?
1013356096. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William A. Zeitler works

Medicare's Facility Affiliation Data lists William A. Zeitler 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 William A. Zeitler is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists William A. Zeitler as a member of this group (CMS data updated 2026-10-02).

  • State University of Iowa1,897 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Iowa →

Other hematologist-oncologists in Iowa City

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

All hematologist-oncologists in Iowa City →

Clinician information

CredentialMD
Medical schoolUniversity Of Iowa, Rj & L Carver College Of Medicine
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1013356096
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