Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

General Surgery

Jonathan D. Warren, MD

Works at hospitals in Olathe, KS · Kansas City, KS · Kansas

Summary

Jonathan D. Warren, MD (General Surgery) is listed by Medicare at 2 hospitals in Olathe, KS and Kansas City, KS. NPI 1407198575. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jonathan D. Warren, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

General SurgeryPrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
University Of Kansas School Of Med (kc/wich/sal)Medical school
MaleGender (as listed)
Kansas University Physicians IncGroup practice

Quick answers

Which hospitals does Jonathan D. Warren work at?
Medicare's official clinician data lists Jonathan D. Warren at 2 hospitals: University of Kansas Health System Olathe Hospital and University of Kansas Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jonathan D. Warren see patients?
Medicare's clinician data lists 8 practice locations, including Lenexa, KS, Olathe, KS and Kansas City, KS. Call before your visit to confirm the address.
What is Jonathan D. Warren's specialty?
Medicare lists General Surgery as the primary specialty.
Does Jonathan D. Warren accept Medicare assignment?
Yes. Medicare's clinician data says Jonathan D. Warren accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jonathan D. Warren?
(913) 588-1227, as listed in official Medicare / NPI Registry data.
What is Jonathan D. Warren's NPI number?
1407198575. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jonathan D. Warren works

Medicare's Facility Affiliation Data lists Jonathan D. Warren at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jonathan D. Warren is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Jonathan D. Warren as a member of this group (CMS data updated 2026-10-02).

  • Kansas University Physicians Inc1,849 clinicians in the group

Specialties

Find other General Surgery doctors in Kansas →

Other general surgeons in Lenexa

Clinicians with the same Medicare primary specialty in Lenexa, KS — not a recommendation.

All general surgeons in Lenexa →

Clinician information

CredentialMD
Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407198575
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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