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

Psychiatry

Nancy A. Williams, MD

Works at hospitals in Iowa City, IA · Iowa

Summary

Nancy A. Williams, MD (Psychiatry) is listed by Medicare at 1 hospital in Iowa City, IA. NPI 1093701625. 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 Nancy A. Williams, 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

PsychiatryPrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
University Of Iowa, Rj & L Carver College Of MedicineMedical school
FemaleGender (as listed)
State University of IowaGroup practice

Quick answers

Which hospitals does Nancy A. Williams work at?
Medicare's official clinician data lists Nancy A. Williams at 1 hospital: University of Iowa Hospital & Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Nancy A. Williams see patients?
Medicare's clinician data lists 1 practice location in Iowa City, IA. Call before your visit to confirm the address.
What is Nancy A. Williams's specialty?
Medicare lists Psychiatry as the primary specialty.
Does Nancy A. Williams accept Medicare assignment?
Yes. Medicare's clinician data says Nancy A. Williams 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 Nancy A. Williams's NPI number?
1093701625. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nancy A. Williams works

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

Group practices

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

  • State University of Iowa1,897 clinicians in the group

Specialties

Find other Psychiatry doctors in Iowa →

Other psychiatrists in Iowa City

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

All psychiatrists in Iowa City →

Clinician information

CredentialMD
Medical schoolUniversity Of Iowa, Rj & L Carver College Of Medicine
Graduation year1994
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1093701625
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