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Nurse Practitioner

Shiela M. Frimml

Works at hospitals in Crystal City, MO · Missouri

Summary

Shiela M. Frimml is a nurse practitioner at 1400 US Hwy 61, Festus, MO 63028. Phone: (314) 251-6335. Accepts Medicare assignment. In 2024, Shiela M. Frimml had 68 Original Medicare patients and 104 services. NPI 1902104011. 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: Nurse practitioner
  • Address: 1400 US Hwy 61, Festus, MO 63028 · Directions (2 more locations)
  • Phone: (314) 251‑6335
  • Medicare: Accepts Medicare assignment
  • Hospital: Mercy Hospital Jefferson
  • Group practice: Mercy Clinic East Communities
  • School: graduated 2009
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Shiela M. Frimml, 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 Shiela M. Frimml accept Medicare assignment?
Yes. Medicare's clinician data says Shiela M. Frimml 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 Shiela M. Frimml see?
In 2024, CMS data shows 68 Original Medicare patients and 104 services for Shiela M. Frimml. This counts Original Medicare only and measures volume, not quality.
What is Shiela M. Frimml's NPI number?
1902104011. 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 Shiela M. Frimml, 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 patients68
Services billed to Medicare104
Different services or procedures8
Participating Medicare providerYes
Average age of these patients62

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)39 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)30 services
  3. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)29 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 pressure60%
  • High cholesterol57%
  • Arthritis40%
  • Depression37%
  • Anxiety35%
  • Diabetes32%

Hospitals where Shiela M. Frimml works

Medicare's Facility Affiliation Data lists Shiela M. Frimml 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.

  • Mercy Hospital JeffersonCrystal City, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260023

Practice locations

Addresses where Shiela M. Frimml is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shiela M. Frimml as a member of this group (CMS data updated October 2, 2026).

  • Mercy Clinic East Communities571 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Missouri →

Other nurse practitioners in Festus

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

All nurse practitioners in Festus →

Other clinicians in Mercy Clinic East Communities

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

Clinician information

Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902104011
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