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General Surgery

Kristen C. Sihler, MD

Works at hospitals in Iowa City, IA · Iowa

Summary

Dr. Kristen C. Sihler, MD is a general surgeon at 200 Hawkins Dr, Iowa City, IA 52242. Phone: (319) 356-1616. Accepts Medicare assignment. In 2024, Kristen C. Sihler had 74 Original Medicare patients and 140 services. NPI 1023194990. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 200 Hawkins Dr, Iowa City, IA 52242 · Directions
  • Phone: (319) 356‑1616
  • Medicare: Accepts Medicare assignment
  • Hospital: University of Iowa Hospital & Clinics
  • Group practice: State University of Iowa
  • Medical school: Wake Forest University School Of Medicine · graduated 1998 (28 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kristen C. Sihler, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kristen C. Sihler accept Medicare assignment?
Yes. Medicare's clinician data says Kristen C. Sihler accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Kristen C. Sihler see?
In 2024, CMS data shows 74 Original Medicare patients and 140 services for Kristen C. Sihler. This counts Original Medicare only and measures volume, not quality.
What is Kristen C. Sihler's NPI number?
1023194990. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Kristen C. Sihler, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients74
Services billed to Medicare140
Different services or procedures9
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)108 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol73%
  • Stroke or mini-stroke54%
  • Arthritis53%
  • Diabetes34%
  • Ischemic heart disease34%

Hospitals where Kristen C. Sihler works

Medicare's Facility Affiliation Data lists Kristen C. Sihler at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Kristen C. Sihler is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kristen C. Sihler as a member of this group (CMS data updated October 2, 2026).

  • State University of Iowa1,897 clinicians in the group

Specialties

Find other General Surgery doctors in Iowa →

Other general surgeons in Iowa City

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

All general surgeons in Iowa City →

Other clinicians in State University of Iowa

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolWake Forest University School Of Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023194990
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians