WARREN TILDEN WITHERS MD
NPI 1396743878
Emergency Medicine in Stateline, NV
About Warren Tilden Withers Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WARREN TILDEN WITHERS MD (NPI 1396743878) is an individual emergency medicine provider in Stateline, Nevada, licensed in Nevada (9451) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of Creighton University School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Warren Tilden Withers Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Warren Withers reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
South Lake Tahoe, CA 96150
- Reassigned Medicare billing, California enrollment
- 126 clinicians in this Medicare group
South Lake Tahoe, CA 96150
- Reassigned Medicare billing, California enrollment
- 36 clinicians in this Medicare group
South Lake Tahoe, CA 96150
- Reassigned Medicare billing, Nevada enrollment
- 50 clinicians in this Medicare group
Gardnerville, NV 89410
- Reassigned Medicare billing, Nevada enrollment
- 65 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89449 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STATELINE, NV 89449
STATELINE, NV 89449
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Warren Withers's NPI number?
The NPI number for Warren Withers is 1396743878. It was assigned to this individual provider in the NPPES registry on July 8, 2005.
Where is Warren Withers located?
Warren Withers practices at 155 Hwy 50, Stateline, NV 89449. The listed phone number is (775) 589-8900.
What is Warren Withers's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Warren Withers enrolled in Medicare?
Yes. Warren Withers is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Warren Withers's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Warren Withers reassigns Medicare benefits to 4 organizations: Barton Healthcare System (South Lake Tahoe, CA), Tahoe Emergency Physicians Medical Corporation (South Lake Tahoe, CA), Barton Medical Foundation (South Lake Tahoe, CA) and Washoe Barton Medical Clinic A Nevada Nonprofit Corporation (Gardnerville, NV). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Warren Withers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Warren Withers was last updated on September 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Warren Tilden Withers, MD · NPI 1396743878
Emergency Medicine physician in Stateline, Nevada. Individual provider, active in the CMS NPPES registry since July 8, 2005.
## Identity
- **NPI:** 1396743878 (Entity type: Individual)
- **Enumerated:** July 8, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 9451 (Nevada)
- **Sole proprietor:** No
## Practice location
- **Address:** 155 HWY 50, Stateline, NV 89449
- **Phone:** (775) 589-8900 · **Fax:** (775) 588-7110
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Barton Healthcare System (NPI 1306931357, South Lake Tahoe, CA); Tahoe Emergency Physicians Medical Corporation (NPI 1104937408, South Lake Tahoe, CA); Barton Medical Foundation (NPI 1750950499, South Lake Tahoe, CA); Washoe Barton Medical Clinic A Nevada Nonprofit Corporation (NPI 1396799102, Gardnerville, NV) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Creighton University School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** September 16, 2015
---
Source: [NPI Profile](https://npiprofile.com/npi/1396743878) · Data from the CMS NPPES public registry.