HOLLY R WALKER PA
NPI 1497887004
Physician Assistant in Peoria, IL
About Holly R Walker Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOLLY R WALKER PA (NPI 1497887004) is an individual physician assistant in Peoria, Illinois, licensed in Illinois (085001719) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, is affiliated with St Mary Medical Center, and maintains a secondary practice location in Peoria.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Holly R Walker Pa 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.
Areas of Expertise CMS Part B claims
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Mary Medical Center
Acute Care Hospitals · Galesburg, ILSaint Francis Medical Center
Acute Care Hospitals · Peoria, ILOsf Saint Elizabeth Mdl Ctr
Acute Care Hospitals · Ottawa, ILMethodist Medical Center Of Illinois
Acute Care Hospitals · Peoria, ILOsf Saint Clare Medical Center
Critical Access Hospitals · Princeton, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61603 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.
PEORIA, IL 61603
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 Holly Walker's NPI number?
The NPI number for Holly Walker is 1497887004. It was assigned to this individual provider in the NPPES registry on March 9, 2007.
Where is Holly Walker located?
Holly Walker practices at 420 NE Glen Oak Ave Ste 401, Peoria, IL 61603. The listed phone number is (309) 676-8123.
What is Holly Walker's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Holly Walker enrolled in Medicare?
Yes. Holly Walker 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.
What insurance does Holly Walker accept?
Health plans from Oscar Insurance Company list Holly Walker 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 Holly Walker affiliated with any hospitals?
According to CMS data, Holly Walker is affiliated with St Mary Medical Center, Saint Francis Medical Center, Osf Saint Elizabeth Mdl Ctr, Methodist Medical Center Of Illinois and Osf Saint Clare Medical Center.
When was this NPI record last updated?
The NPPES record for Holly Walker was last updated on July 1, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
