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Physician Assistant

Angela T. Gieseler, PA

Sees patients in Saint Louis, MO · Missouri

Summary

Angela T. Gieseler, PA is a physician assistant at 1044 N Mason Rd, Suite 330, Saint Louis, MO 63141. Phone: (314) 362-3500. Accepts Medicare assignment. In 2024, Angela T. Gieseler had 178 Original Medicare patients and 231 services. NPI 1114995818. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 1044 N Mason Rd, Suite 330, Saint Louis, MO 63141 · Directions (3 more locations)
  • Phone: (314) 362‑3500
  • Medicare: Accepts Medicare assignment
  • Group practice: Washington University
  • School: graduated 2003
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Angela T. Gieseler, 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 Angela T. Gieseler accept Medicare assignment?
Yes. Medicare's clinician data says Angela T. Gieseler 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 Angela T. Gieseler see?
In 2024, CMS data shows 178 Original Medicare patients and 231 services for Angela T. Gieseler. This counts Original Medicare only and measures volume, not quality.
What is Angela T. Gieseler's NPI number?
1114995818. 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 Angela T. Gieseler, 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 patients178
Services billed to Medicare231
Different services or procedures7
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)108 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)76 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)27 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 cholesterol69%
  • High blood pressure67%
  • Arthritis60%
  • Anxiety40%
  • Ischemic heart disease34%
  • Depression33%

Practice locations

Addresses where Angela T. Gieseler is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Angela T. Gieseler as a member of this group (CMS data updated October 2, 2026).

  • Washington University3,029 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Missouri →

Other physician assistants in Saint Louis

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

All physician assistants in Saint Louis →

Other clinicians in Washington University

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

Clinician information

CredentialPA
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114995818
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