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Physician Assistant

Courtney Pirih, PA

Sees patients in Wentzville, MO · Creve Coeur, MO · Chesterfield, MO … · Missouri

Summary

Courtney Pirih, PA is a physician assistant at 1111 W Pearce Blvd, Wentzville, MO 63385. Phone: (636) 856-5363. Accepts Medicare assignment. In 2024, Courtney Pirih had 73 Original Medicare patients and 88 services. NPI 1639572365. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 1111 W Pearce Blvd, Wentzville, MO 63385 · Directions (10 more locations)
  • Phone: (636) 856‑5363
  • Medicare: Accepts Medicare assignment
  • Group practice: Mercy Aco Clinical Services Inc (+1 more)
  • School: Duke University School Of Medicine · graduated 2014
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Courtney Pirih, 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 Courtney Pirih accept Medicare assignment?
Yes. Medicare's clinician data says Courtney Pirih 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 Courtney Pirih see?
In 2024, CMS data shows 73 Original Medicare patients and 88 services for Courtney Pirih. This counts Original Medicare only and measures volume, not quality.
What is Courtney Pirih's NPI number?
1639572365. 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 Courtney Pirih, 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 patients73
Services billed to Medicare88
Different services or procedures15
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)50 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 cholesterol75%
  • Arthritis59%
  • Chronic kidney disease38%
  • Diabetes34%
  • Ischemic heart disease33%

Practice locations

Addresses where Courtney Pirih is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.

Group practices

Medicare enrollment lists Courtney Pirih as a member of these groups (CMS data updated October 2, 2026).

  • Mercy Aco Clinical Services Inc170 clinicians in the group
  • Mercy East Ambulatory Services LLC105 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Missouri →

Other physician assistants in Wentzville

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

All physician assistants in Wentzville →

Other clinicians in Mercy Aco Clinical Services Inc

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

Clinician information

CredentialPA
SchoolDuke University School Of Medicine
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639572365
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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