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Neurosurgery

Donald T. Schleicher, DO

Works at hospitals in Muskogee, OK · Tulsa, OK · Oklahoma

Summary

Dr. Donald T. Schleicher, DO is a neurosurgeon at 6161 S Yale Ave, Tulsa, OK 74136. Phone: (918) 502-4720. Accepts Medicare assignment. In 2024, Donald T. Schleicher had 222 Original Medicare patients and 659 services. NPI 1689011777. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Donald T. Schleicher, 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 Donald T. Schleicher accept Medicare assignment?
Yes. Medicare's clinician data says Donald T. Schleicher 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 Donald T. Schleicher see?
In 2024, CMS data shows 222 Original Medicare patients and 659 services for Donald T. Schleicher. This counts Original Medicare only and measures volume, not quality.
What is Donald T. Schleicher's NPI number?
1689011777. 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 Donald T. Schleicher, 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 patients222
Services billed to Medicare659
Different services or procedures43
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)250 services
  2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)117 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)75 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)52 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)42 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%
  • Arthritis68%
  • Depression48%
  • Ischemic heart disease42%
  • Anxiety40%

Hospitals where Donald T. Schleicher works

Medicare's Facility Affiliation Data lists Donald T. Schleicher 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 Donald T. Schleicher is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Warren Clinic Inc883 clinicians in the group

Specialties

Find other Neurosurgery doctors in Oklahoma →

Other neurosurgeons in Tulsa

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

All neurosurgeons in Tulsa →

Other clinicians in Warren Clinic Inc

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

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689011777
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