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

Neurology

James L. Southwell Jr., DO

Works at hospitals in Shawnee Mission, KS · Paola, KS · Olathe, KS … · Kansas

Summary

Dr. James L. Southwell Jr., DO is a neurologist at 11300 Corporate Ave, Suite 342, Lenexa, KS 66219. Phone: (913) 588-1227. Accepts Medicare assignment. In 2024, James L. Southwell Jr. had 364 Original Medicare patients and 862 services. NPI 1740306273. 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 James L. Southwell Jr., 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 James L. Southwell Jr. accept Medicare assignment?
Yes. Medicare's clinician data says James L. Southwell Jr. 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 James L. Southwell Jr. see?
In 2024, CMS data shows 364 Original Medicare patients and 862 services for James L. Southwell Jr.. This counts Original Medicare only and measures volume, not quality.
What is James L. Southwell Jr.'s NPI number?
1740306273. 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 James L. Southwell Jr., 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 patients364
Services billed to Medicare862
Different services or procedures18
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Needle measurement of electrical activity in arm or leg muscles, complete study (95886)326 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)118 services
  3. Nerve conduction, 7-8 studies (95910)76 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)64 services
  5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)62 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 cholesterol75%
  • High blood pressure74%
  • Arthritis73%
  • Ischemic heart disease36%
  • Depression33%
  • Anxiety33%

Hospitals where James L. Southwell Jr. works

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

Group practices

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

  • Kansas University Physicians Inc1,849 clinicians in the group

Specialties

Find other Neurology doctors in Kansas →

Other neurologists in Lenexa

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

All neurologists in Lenexa →

Other clinicians in Kansas University Physicians Inc

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

Clinician information

CredentialDO
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1740306273
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