SYDNEY A. WALKER MD
NPI 1508429846
Pediatrics in Salt Lake City, UT
About Sydney A. Walker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SYDNEY A. WALKER MD (NPI 1508429846) is an individual pediatrics provider in Salt Lake City, Utah, licensed in Utah (12985196-1205) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Portland.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sydney A. Walker Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Sydney Walker reassigns Medicare billing to 2 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
- 751 clinicians in this Medicare group
Salt Lake City, UT 84113
- Reassigned Medicare billing, Utah enrollment
- 202 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 84113 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 84113
SALT LAKE CITY, UT 84113
SALT LAKE CITY, UT 84113
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 Sydney Walker's NPI number?
The NPI number for Sydney Walker is 1508429846. It was assigned to this individual provider in the NPPES registry on April 22, 2019.
Where is Sydney Walker located?
Sydney Walker practices at 81 N Mario Capecchi Dr, Salt Lake City, UT 84113. The listed phone number is (801) 662-5701.
What is Sydney Walker's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Sydney Walker enrolled in Medicare?
Yes. Sydney Walker is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sydney Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sydney Walker reassigns Medicare benefits to 2 organizations: University Of Utah Pediatric Services (Salt Lake City, UT) and University Of Utah Pediatric Acuity Care (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 Sydney Walker'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 Sydney Walker was last updated on December 4, 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.
# Sydney A. Walker, MD · NPI 1508429846
Pediatrics physician in Salt Lake City, Utah. Individual provider, active in the CMS NPPES registry since April 22, 2019.
## Identity
- **NPI:** 1508429846 (Entity type: Individual)
- **Enumerated:** April 22, 2019
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 12985196-1205 (Utah)
- **Sole proprietor:** No
## Practice location
- **Address:** 81 N MARIO CAPECCHI DR, Salt Lake City, UT 84113-1125
- **Phone:** (801) 662-5701
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Utah Pediatric Services (NPI 1568826055, Salt Lake City, UT); University Of Utah Pediatric Acuity Care (NPI 1538523675, Salt Lake City, UT) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 4, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1508429846) · Data from the CMS NPPES public registry.