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Emergency Medicine

Warren T. Withers, MD

Works at hospitals in South Lake Tahoe, CA · California

Summary

Dr. Warren T. Withers, MD is an emergency medicine doctor at 155 Hwy 50, Stateline, NV 89449. Phone: (775) 589-8900. Accepts Medicare assignment. In 2024, Warren T. Withers had 250 Original Medicare patients and 463 services. NPI 1396743878. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 155 Hwy 50, Stateline, NV 89449 · Directions
  • Phone: (775) 589‑8900
  • Medicare: Accepts Medicare assignment
  • Hospital: Barton Memorial Hospital
  • Group practice: Barton Medical Foundation
  • Medical school: Creighton University School Of Medicine · graduated 1994 (32 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Warren T. Withers, 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 Warren T. Withers accept Medicare assignment?
Yes. Medicare's clinician data says Warren T. Withers 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 Warren T. Withers see?
In 2024, CMS data shows 250 Original Medicare patients and 463 services for Warren T. Withers. This counts Original Medicare only and measures volume, not quality.
What is Warren T. Withers's NPI number?
1396743878. 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 Warren T. Withers, 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 patients250
Services billed to Medicare463
Different services or procedures61
Participating Medicare providerYes
Average age of these patients74

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)105 services
  2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)61 services
  3. X-ray of chest, 2 views (71046)38 services
  4. Detection test by immunoassay with direct visual observation for influenza virus (87804)38 services
  5. Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)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 cholesterol72%
  • High blood pressure57%
  • Arthritis52%
  • Osteoporosis25%
  • Ischemic heart disease20%
  • Anxiety18%

Hospitals where Warren T. Withers works

Medicare's Facility Affiliation Data lists Warren T. Withers 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.

  • Barton Memorial HospitalSouth Lake Tahoe, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050352

Practice locations

Addresses where Warren T. Withers is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Barton Medical Foundation105 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Nevada →

Other emergency medicine doctors in Stateline

Clinicians with the same Medicare primary specialty in Stateline, NV — not a recommendation.

All emergency medicine doctors in Stateline →

Other clinicians in Barton Medical Foundation

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

Clinician information

CredentialMD
Medical schoolCreighton University School Of Medicine
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396743878
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