WILLIAM BENNETT ENNEN M.D.
NPI 1770743403
Anesthesiology in Murray, UT

Q: What is William Ennen's NPI number?

The NPI number for William Ennen is 1770743403. It was assigned to this individual provider in the NPPES registry on June 16, 2008.

Q: What is William Ennen's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for William Ennen was last updated on June 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since June 16, 2008PECOS EnrolledAccepts Medicare Assignment

79.72/100

CMS Quality Rating

5121 S COTTONWOOD ST, MURRAY, UT 84107(801) 507-7000 Get Directions Write a Review

NPPES record last updated: June 22, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About William Bennett Ennen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM BENNETT ENNEN M.D. (NPI 1770743403) is an individual anesthesiology provider in Murray, Utah, licensed in Utah (11238688-1205) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Intermountain Medical Center, and maintains a secondary practice location in Murray.

NPPES Registry Identity

NPI1770743403

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameWILLIAM BENNETT ENNENCredential: M.D.

Location Address5121 S COTTONWOOD STMurray, UT 84107

Mailing Address3340 N Center St Ste 800Lehi, UT 84043-7406 · (650) 315-9598

Phone(801) 507-7000

Sole ProprietorNo

Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 2007

Enumeration DateJune 16, 2008

Last NPPES UpdateJune 22, 2019

✔ NPI 1770743403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

Licenses✔ Licensed in UT · 11238688-1205✔ Licensed in CA · A104930

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

5121 S COTTONWOOD ST, Murray, UT 84107

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Secondary Practice Location 1

Location 15121 S Cottonwood StMurray, UT 84107 · Phone (801) 507-7000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.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 Bennett Ennen M.d. 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.

PECOS PAC ID3678723368

PECOS Enrollment IDI20190620003313

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show William Ennen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ihc Health Services, Inc.

Same address

General Acute Care Hospital

5121 COTTONWOOD ST
Murray, UT 84107

Reassigned Medicare billing, Utah enrollment
1,729 clinicians in this Medicare group

NPI 1043220650 (801) 507-7000

Mountain West Anesthesia LLC

16 mi

Anesthesiology

3300 N TRIUMPH BLVD STE G50
Lehi, UT 84043

Reassigned Medicare billing, Utah enrollment
355 clinicians in this Medicare group

NPI 1558391763 (801) 990-1911

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 6

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.

Anesthesia for procedure on heart and large blood vessels 00560

Anesthesia for heart and large blood vessel procedures involves using medications to block sensation, ensuring you don't feel pain during surgery. It can be general (you're asleep) or regional (part of your body is numbed). It helps ensure comfort and safety throughout the operation.

19 services19 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

19 services18 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

19 services18 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

19 services18 patients

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

15 services15 patients

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Intermountain Medical Center

Acute Care Hospitals · Murray, UT

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number460010

Location5121 South Cottonwood StreetMurray, UT 84107 · Salt Lake County

Emergency services Birthing friendly

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.

79.72/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

82.84

Improvement Activities

Cost

63.86

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.

ANASTASIYA MANKOUSKI MD

Pediatrics (Neonatal-Perinatal Medicine)

5121 S COTTONWOOD ST
SALT LAKE CITY, UT 84107

Salt Lake County (801) 507-7000

TARYN A. YOUNG MD

Hospitalist

5121 S COTTONWOOD ST
SALT LAKE CITY, UT 84107

Salt Lake County (801) 507-4384

NATHANIEL ALAN KELLER DPT

Physical Therapist

5121 S COTTONWOOD ST
MURRAY, UT 84107

Salt Lake County (805) 798-2901

JENNIFER LAWLEY RN

Student in an Organized Health Care Education/Training Program

5121 S COTTONWOOD ST
MURRAY, UT 84107

Salt Lake County (801) 507-7000

DR. JARED DAVID MILLER MD

Internal Medicine (Clinical Cardiac Electrophysiology)

5121 S COTTONWOOD ST
SALT LAKE CITY, UT 84107

Salt Lake County (801) 507-3500

JONATHAN MIDDLEMISS PA-C

Physician Assistant

5121 S COTTONWOOD ST
MURRAY, UT 84107

Salt Lake County (801) 507-3460

RICHA PARAG SHETH MD

Internal Medicine

5121 S COTTONWOOD ST
MURRAY, UT 84107

Salt Lake County (801) 507-7000

ANDREW SCOTT BIESINGER NP

Nurse Practitioner

5121 S COTTONWOOD ST
MURRAY, UT 84107

Salt Lake County (801) 507-3462

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 Ennen's NPI number?

The NPI number for William Ennen is 1770743403. It was assigned to this individual provider in the NPPES registry on June 16, 2008.

Where is William Ennen located?

William Ennen practices at 5121 S Cottonwood St, Murray, UT 84107. The listed phone number is (801) 507-7000.

What is William Ennen's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is William Ennen enrolled in Medicare?

Yes. William Ennen 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 Ennen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Ennen reassigns Medicare benefits to 2 organizations: Ihc Health Services, Inc. (Murray, UT) and Mountain West Anesthesia LLC (Lehi, 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 Ennen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Ennen accept?

Health plans from Select Health list William Ennen 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 Ennen affiliated with any hospitals?

According to CMS data, William Ennen is affiliated with Intermountain Medical Center.

When was this NPI record last updated?

The NPPES record for William Ennen was last updated on June 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.