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

Obstetrics/Gynecology

Stephen L. Vierthaler, MD

Works at hospitals in Excelsior Springs, MO · Kansas City, MO · Missouri

Summary

Dr. Stephen L. Vierthaler, MD is an OB-GYN at 7900 Lees Summit Rd, Kansas City, MO 64139. Phone: (816) 404-7000. Accepts Medicare assignment. NPI 1508812355. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Stephen L. Vierthaler, 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 Stephen L. Vierthaler accept Medicare assignment?
Yes. Medicare's clinician data says Stephen L. Vierthaler 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.
What is Stephen L. Vierthaler's NPI number?
1508812355. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Stephen L. Vierthaler works

Medicare's Facility Affiliation Data lists Stephen L. Vierthaler 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 Stephen L. Vierthaler is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stephen L. Vierthaler as a member of this group (CMS data updated October 2, 2026).

  • University Health Physicians350 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Missouri →

Other OB-GYNs in Kansas City

Clinicians with the same Medicare primary specialty in Kansas City, MO — not a recommendation.

All OB-GYNs in Kansas City →

Other clinicians in University Health Physicians

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

Clinician information

CredentialMD
Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year1977 (49 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508812355
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians