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Colorectal Surgery (Proctology)

Kathryn L. Galie, MD

Works at hospitals in Saint Louis, MO · Missouri

Summary

Dr. Kathryn L. Galie, MD is a colorectal surgeon at 621 S New Ballas Rd, Suite 7011b, Saint Louis, MO 63141. Phone: (314) 251-6840. Accepts Medicare assignment. In 2024, Kathryn L. Galie had 190 Original Medicare patients and 424 services. NPI 1164433512. 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: Colorectal surgeon (Medicare lists Colorectal Surgery (Proctology))
  • Address: 621 S New Ballas Rd, Suite 7011b, Saint Louis, MO 63141 · Directions
  • Phone: (314) 251‑6840
  • Medicare: Accepts Medicare assignment
  • Hospital: Mercy Hospital St Louis
  • Group practice: Mercy Clinic Surgical Specialists LLC
  • Medical school: Saint Louis University School Of Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kathryn L. Galie, 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 Kathryn L. Galie accept Medicare assignment?
Yes. Medicare's clinician data says Kathryn L. Galie 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 Kathryn L. Galie see?
In 2024, CMS data shows 190 Original Medicare patients and 424 services for Kathryn L. Galie. This counts Original Medicare only and measures volume, not quality.
What is Kathryn L. Galie's NPI number?
1164433512. 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 Kathryn L. Galie, 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 patients190
Services billed to Medicare424
Different services or procedures59
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)67 services
  2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)63 services
  3. Diagnostic exam of anus using an endoscope (46600)58 services
  4. Removal of external hemorrhoids by rubber banding (46221)40 services
  5. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)24 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 cholesterol74%
  • High blood pressure66%
  • Arthritis47%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)35%
  • Anxiety29%
  • Depression27%

Hospitals where Kathryn L. Galie works

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

Group practices

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

  • Mercy Clinic Surgical Specialists LLC182 clinicians in the group

Specialties

Find other Colorectal Surgery (Proctology) doctors in Missouri →

Other colorectal surgeons in Saint Louis

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

All colorectal surgeons in Saint Louis →

Other clinicians in Mercy Clinic Surgical Specialists LLC

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

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164433512
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