WILLIAM TUPPER COULDWELL MD
NPI 1265522858
Neurological Surgery in Salt Lake City, UT

NPI Status: Active since October 13, 2006

Contact Information

175 N MEDICAL DR
SALT LAKE CITY, UT
ZIP 84112
Phone: (801) 585-6065
Fax: (801) 585-6087

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  • Individual
  • Male
  • Years of Experience 43
  • Neurological Surgery
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • CLIA Number: 46D0947450
  • CLIA Cert. Type: Skilled Nursing Facility/Nursing Facility
  • CLIA Exp. Date: 06-15-2026

About WILLIAM COULDWELL

This page provides the complete NPI Profile along with additional information for William Couldwell, a provider established in Salt Lake City, Utah with a medical specialization in Neurological Surgery and more than 43 years of experience. The healthcare provider is registered in the NPI registry with number 1265522858 assigned on October 2006. The practitioner's primary taxonomy code is 207T00000X with license number 5022518-1205 (UT). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1265522858
Provider Name
WILLIAM TUPPER COULDWELL MD
Gender
Male
Entity Type
Individual
Location Address
175 N MEDICAL DR SALT LAKE CITY, UT 84112
Location Phone
(801) 585-6065
Location Fax
(801) 585-6087
Mailing Address
175 N MEDICAL DR SALT LAKE CITY, UT 84112
Mailing Phone
(801) 585-6065
Mailing Fax
(801) 585-6087
Medical School Name
OTHER
Graduation Year
1984
Is Sole Proprietor?
No
Enumeration Date
10-13-2006
Last Update Date
11-07-2025
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Neurological Surgery

Taxonomy Code
207T00000X
Type
Allopathic & Osteopathic Physicians
License No.
5022518-1205
License State
UT
Taxonomy Description
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • BridgeSpan Standard Bronze Plan - HMO
  • BridgeSpan Standard Gold Plan - HMO
  • BridgeSpan Standard Silver Plan - HMO
  • Molina Gold Core 1640 - HMO
  • Molina Gold Core 1640 Plus with Adult Dental and Vision - HMO
  • Molina Gold Standard - HMO
  • Molina Silver Core - HMO
  • Molina Silver Core Plus with Adult Dental and Vision - HMO
  • Molina Silver Core Plus with Adult Vision - HMO
  • Molina Silver Saver with Four Free PCP Visits - HMO
  • Molina Silver Standard - HMO
  • Bronze 8000 - EPO
  • Bronze Essential 9000 Deductible With 4 Copay No Deductible Office Visits - EPO
  • Bronze HSA 7000 - EPO
  • Gold 2300 - EPO
  • Regence Standard Bronze 7500 - EPO
  • Regence Standard Gold 2000 - EPO
  • Regence Standard Silver 6000 - EPO
  • Silver 6500 - EPO
  • Med Benchmark Expanded Bronze Select Copay Plan - HMO
  • Med Benchmark Expanded Bronze Standardized Plan - HMO
  • Med Benchmark Gold Standardized Plan - HMO
  • Med Benchmark Platinum - HMO
  • Med Benchmark Platinum Standardized Plan - HMO
  • Med Benchmark Silver 6000 Medical Deductible w/Vision - HMO
  • Med Benchmark Silver Standardized Plan - HMO
  • Med Gold 1500 Medical Deductible - HMO
  • Value Benchmark Expanded Bronze Select Copay Plan - HMO
  • Value Benchmark Gold Standardized Plan - HMO
  • Value Benchmark Platinum - HMO
  • Value Benchmark Platinum Standardized Plan - HMO
  • Value Benchmark Silver 5900 Medical Deductible - HMO
  • Value Benchmark Silver Standardized Plan - HMO
  • Value Expanded Bronze 6900 Medical Deductible - HMO
  • Value Gold 1500 Medical Deductible - HMO
  • Value Silver 3000 Medical Deductible - HMO
  • Healthy Premier Bronze HSA - EPO
  • Healthy Premier Expanded Bronze Standard - EPO
  • Healthy Premier Gold Copay Office Visits - EPO
  • Healthy Premier Gold Standard - EPO
  • Healthy Premier Silver Copay Office Visits - EPO
  • Healthy Premier Silver Standard - EPO
  • U Health Plus Bronze - EPO
  • U Health Plus Expanded Bronze Standard - EPO
  • U Health Plus Gold - EPO
  • U Health Plus Gold Standard - EPO
  • U Health Plus Silver - EPO
  • U Health Plus Silver Standard - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

William Couldwell is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

William Couldwell is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 9739134008

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20050318000877

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Computer-assisted procedure inside brain

A computer-assisted brain procedure uses advanced technology for precise navigation within the brain. A computer creates a 3D model of your brain to help the surgeon accurately target the area needing treatment, improving safety and effectiveness.

This service was performed 13 times for 12 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 19 times for 19 patients

Self soft tissue graft

A self soft tissue graft is a dental procedure where tissue from your own mouth is used to treat areas with gum recession. This can protect roots, reduce sensitivity, and improve gum health. It's a common, safe procedure.

This service was performed 14 times for 13 patients

Use of operating microscope

An operating microscope is a device that magnifies small areas, allowing surgeons to see fine details clearly during procedures. It's often used for delicate operations like eye or nerve surgery, improving precision and outcomes.

This service was performed 13 times for 13 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $31.42 for a new patient copayment and $17 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 84112 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $125.7
  • Minimum New Patient Price $54.34
  • Maximum New Patient Price $166.03
  • Average New Patient Copayment $31.42
  • Minimum New Patient Copayment $13.58
  • Maximum New Patient Copayment $41.5

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $68.01
  • Minimum Established Patient Price $17.23
  • Maximum Established Patient Price $135.2
  • Average Established Patient Copayment $17
  • Minimum Established Patient Copayment $4.3
  • Maximum Established Patient Copayment $33.8

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. William Couldwell is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
UNIVERSITY OF UTAH HOSPITALS AND CLINICS50 NORTH MEDICAL DRIVE
SALT LAKE CITY, UT 84132
(801) 581-2121Acute Care Hospitals

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
46D0947450
Facility Type
Skilled Nursing Facility/Nursing Facility
Certificate Effective Date
June 16, 2024
Certificate Expiration Date
June 15, 2026
Laboratory Director
ANGELA BRAEGGER
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to William Couldwell to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1265522858, we treat the final digit (8) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
5
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
2
Unchanged
Pos 7
2
Doubled → 4
Pos 8
8
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
8
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 6 → 12 → 3 5 → 10 → 1 2 → 4 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 2 + 5 + 1 + 0 + 2 + 4 + 8 + 1 + 0 + 24 = 52

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1265522858.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Neurology)
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Neurological Surgery
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Neurological Surgery
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Psychiatry & Neurology (Neurology)
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Physical Therapist
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Psychiatry & Neurology (Neurology)
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Psychiatry & Neurology (Neurology)
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Psychiatry & Neurology (Neurology)
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Neurological Surgery
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Psychiatry & Neurology (Neurology)
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Student in an Organized Health Care Education/Training Program
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Student in an Organized Health Care Education/Training Program
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Student in an Organized Health Care Education/Training Program
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Neurological Surgery
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Psychiatry & Neurology (Neurocritical Care)
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Psychiatry & Neurology (Neurology)
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Nurse Practitioner (Family)
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Neurological Surgery
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Neurological Surgery
175 N MEDICAL DR
SALT LAKE CITY, UT 84112
Psychiatry & Neurology (Neurology)
175 N MEDICAL DR
SALT LAKE CITY, UT 84112

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1265522858, enumerated as an "individual" on October 13, 2006.

The provider is located at 175 N MEDICAL DR SALT LAKE CITY, UT 84112 and the phone number is (801) 585-6065.

Neurological Surgery with taxonomy code 207T00000X.

The provider might be accepting Accepts: BridgeSpan Health Company, Molina Healthcare,. Please consult your insurance carrier or call the provider to verify.

William Couldwell is affiliated with: UNIVERSITY OF UTAH HOSPITALS AND CLINICS.