MARY K PIPER FNP
NPI 1881648194
Family Medicine in Salem, IL
About Mary K Piper Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY K PIPER FNP (NPI 1881648194) is an individual family medicine provider in Salem, Illinois, licensed in Illinois (209001441) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital -centralia, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Mary K Piper Fnp 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 Reassignments
3Medicare enrollment records show Mary Piper reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Centralia, IL 62801
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: St Marys Hospital Centralia Illinois
- 392 clinicians in this Medicare group
Mount Vernon, IL 62864
- Reassigned Medicare billing, Illinois enrollment
- 66 clinicians in this Medicare group
Mount Vernon, IL 62864
- Reassigned Medicare billing, Illinois enrollment
- 296 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.
Areas of Expertise CMS Part B claims 7
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Mary's Hospital -Centralia
Acute Care Hospitals · Centralia, ILGood Samaritan Regional Hlth Center
Acute Care Hospitals · Mount Vernon, ILSalem Township Hospital
Critical Access Hospitals · Salem, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62881 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 16
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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SALEM, IL 62881
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 Piper's NPI number?
The NPI number for Mary Piper is 1881648194. It was assigned to this individual provider in the NPPES registry on May 20, 2006.
Where is Mary Piper located?
Mary Piper practices at 1250 W Whittaker St, Salem, IL 62881. The listed phone number is (618) 548-3740.
What is Mary Piper's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mary Piper enrolled in Medicare?
Yes. Mary Piper 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 Mary Piper's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Piper reassigns Medicare benefits to 3 organizations: St. Mary's Hospital, Centralia, Illinois (Centralia, IL), Premise Health Of Illinois Medical PC (Mount Vernon, IL) and Physician Services Corporation Of Southern Illinois Inc. (Mount Vernon, IL). 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 Mary Piper's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Piper accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Mary Piper 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 Piper affiliated with any hospitals?
According to CMS data, Mary Piper is affiliated with Ssm Health St Mary's Hospital -Centralia, Good Samaritan Regional Hlth Center and Salem Township Hospital.
When was this NPI record last updated?
The NPPES record for Mary Piper was last updated on November 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.