DR. MARY LOUISE SYDNEY LEGUYADER M. D.
NPI 1588027684
Internal Medicine in Salt Lake City, UT
About Dr. Mary Louise Sydney Leguyader M. D. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY LOUISE SYDNEY LEGUYADER M. D. (NPI 1588027684) is an individual internal medicine provider in Salt Lake City, Utah, licensed in Utah (10490279-1205) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Lds Hospital, and maintains a secondary practice location in Salt Lake City.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Mary Louise Sydney Leguyader 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.
Medicare Billing Reassignment
Medicare enrollment records show Mary Louise Leguyader reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Murray, UT 84107
- Reassigned Medicare billing, Utah enrollment
- 1,729 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lds Hospital
Acute Care Hospitals · Salt Lake City, UTIntermountain Medical Center
Acute Care Hospitals · Murray, UTRiverton Hospital
Acute Care Hospitals · Riverton, UTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 84107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 84107
MURRAY, UT 84107
MURRAY, UT 84107
MURRAY, UT 84107
MURRAY, UT 84107
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 Mary Louise Leguyader's NPI number?
The NPI number for Mary Louise Leguyader is 1588027684. It was assigned to this individual provider in the NPPES registry on April 5, 2016.
Where is Mary Louise Leguyader located?
Mary Louise Leguyader practices at 5169 S Cottonwood St, Salt Lake City, UT 84107. The listed phone number is (801) 507-3310.
What is Mary Louise Leguyader's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mary Louise Leguyader enrolled in Medicare?
Yes. Mary Louise Leguyader 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 organization bills Medicare for Mary Louise Leguyader's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Louise Leguyader reassigns Medicare benefits to Ihc Health Services Inc (Murray, UT). The 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 Mary Louise Leguyader's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Louise Leguyader accept?
Health plans from Select Health list Mary Louise Leguyader 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 Mary Louise Leguyader affiliated with any hospitals?
According to CMS data, Mary Louise Leguyader is affiliated with Lds Hospital, Intermountain Medical Center and Riverton Hospital.
When was this NPI record last updated?
The NPPES record for Mary Louise Leguyader was last updated on May 14, 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.
# Dr. Mary Louise Sydney Leguyader, M. D. · NPI 1588027684
Internal Medicine physician in Salt Lake City, Utah. Individual provider, active in the CMS NPPES registry since April 5, 2016.
## Identity
- **NPI:** 1588027684 (Entity type: Individual)
- **Enumerated:** April 5, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 10490279-1205 (Utah)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5169 S COTTONWOOD ST, Salt Lake City, UT 84107-6767
- **Phone:** (801) 507-3310
## 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:** Ihc Health Services Inc (NPI 1215130646, Murray, UT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2016
## Record status
- **NPPES last updated:** May 14, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1588027684) · Data from the CMS NPPES public registry.