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General Surgery

Leslie Giesemann, MD

Works at hospitals in Lawton, OK · Oklahoma

Summary

Dr. Leslie Giesemann, MD is a general surgeon at 3401 W Gore Blvd, Lawton, OK 73505. Phone: (580) 510-7037. Accepts Medicare assignment. In 2024, Leslie Giesemann had 98 Original Medicare patients and 436 services. NPI 1710901590. 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: General surgeon (Medicare lists General Surgery)
  • Address: 3401 W Gore Blvd, Lawton, OK 73505 · Directions
  • Phone: (580) 510‑7037
  • Medicare: Accepts Medicare assignment
  • Hospital: Memorial Health
  • Group practice: Comanche County Healthcare Corporation
  • Medical school: University Of Kentucky College Of Medicine · graduated 1994 (32 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Leslie Giesemann, 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 Leslie Giesemann accept Medicare assignment?
Yes. Medicare's clinician data says Leslie Giesemann 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 Leslie Giesemann see?
In 2024, CMS data shows 98 Original Medicare patients and 436 services for Leslie Giesemann. This counts Original Medicare only and measures volume, not quality.
What is Leslie Giesemann's NPI number?
1710901590. 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 Leslie Giesemann, 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 patients98
Services billed to Medicare436
Different services or procedures13
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Critical care, first 30-74 minutes (99291)332 services
  2. Critical care, each additional 30 minutes (99292)81 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%
  • Heart failure69%
  • Chronic kidney disease64%
  • COPD62%
  • Atrial fibrillation58%

Hospitals where Leslie Giesemann works

Medicare's Facility Affiliation Data lists Leslie Giesemann 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.

  • Memorial HealthLawton, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370056

Practice locations

Addresses where Leslie Giesemann is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Leslie Giesemann as a member of this group (CMS data updated October 2, 2026).

  • Comanche County Healthcare Corporation130 clinicians in the group

Specialties

Find other General Surgery doctors in Oklahoma →

Other general surgeons in Lawton

Clinicians with the same Medicare primary specialty in Lawton, OK — not a recommendation.

All general surgeons in Lawton →

Other clinicians in Comanche County Healthcare Corporation

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

Clinician information

CredentialMD
Medical schoolUniversity Of Kentucky College Of Medicine
Graduation year1994 (32 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710901590
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