WILLIAM TUPPER COULDWELL MD
NPI 1265522858
Neurological Surgery in Salt Lake City, UT
About William Tupper Couldwell Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM TUPPER COULDWELL MD (NPI 1265522858) is an individual neurological surgery provider in Salt Lake City, Utah, licensed in Utah (5022518-1205) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Utah Hospitals And Clinics, and is a graduate of Other (1984).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
William Tupper Couldwell 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 William Couldwell reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Salt Lake City, UT 84132
- Reassigned Medicare billing, Utah enrollment
- 2,620 clinicians in this Medicare group
Salt Lake City, UT 84132
- Reassigned Medicare billing, Utah enrollment
- 65 clinicians in this Medicare group
Salt Lake City, UT 84113
- Reassigned Medicare billing, Utah enrollment
- 751 clinicians in this Medicare group
Salt Lake City, UT 84132
- Reassigned Medicare billing, Utah enrollment
- 338 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 5
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Utah Hospitals And Clinics
Acute Care Hospitals · Salt Lake City, UTSt. George Regional Hospital
Acute Care Hospitals · St George, UTSt Johns Medical Center
Acute Care Hospitals · Jackson, WYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 84112 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SALT LAKE CITY, UT 84112
SALT LAKE CITY, UT 84112
SALT LAKE CITY, UT 84112
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 William Couldwell's NPI number?
The NPI number for William Couldwell is 1265522858. It was assigned to this individual provider in the NPPES registry on October 13, 2006.
Where is William Couldwell located?
William Couldwell practices at 175 N Medical Dr, Salt Lake City, UT 84112. The listed phone number is (801) 585-6065.
What is William Couldwell's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is William Couldwell enrolled in Medicare?
Yes. William Couldwell 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 William Couldwell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Couldwell reassigns Medicare benefits to 4 organizations: University Of Utah Adult Services (Salt Lake City, UT), University Of Utah Surgical Services (Salt Lake City, UT), University Of Utah Pediatric Services (Salt Lake City, UT) and University Of Utah Acuity Care Services (Salt Lake City, UT). 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 William Couldwell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Couldwell accept?
Health plans from BridgeSpan Health Company, Molina Healthcare, Regence BlueCross BlueShield of Utah, Select Health and University of Utah Health Plans list William Couldwell as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Couldwell affiliated with any hospitals?
According to CMS data, William Couldwell is affiliated with University Of Utah Hospitals And Clinics, St. George Regional Hospital and St Johns Medical Center.
When was this NPI record last updated?
The NPPES record for William Couldwell was last updated on November 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.