LILIA PERESS MD
NPI 1275945446
Family Medicine in Saginaw, MI
About Lilia Peress Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LILIA PERESS MD (NPI 1275945446) is an individual family medicine provider in Saginaw, Michigan, licensed in Michigan (4301500558) and active in the NPI registry since May 2014. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lilia Peress Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Lilia Peress reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saginaw, MI 48603
- Reassigned Medicare billing, Michigan enrollment
- 720 clinicians in this Medicare group
San Diego, CA 92111
- Reassigned Medicare billing, California enrollment
- 1,233 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 48603 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.
SAGINAW, MI 48603
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 Lilia Peress's NPI number?
The NPI number for Lilia Peress is 1275945446. It was assigned to this individual provider in the NPPES registry on May 22, 2014.
Where is Lilia Peress located?
Lilia Peress practices at 5570 State St, Saginaw, MI 48603. The listed phone number is (989) 583-0100.
What is Lilia Peress's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Lilia Peress enrolled in Medicare?
Yes. Lilia Peress is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Lilia Peress's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lilia Peress reassigns Medicare benefits to 2 organizations: Covenant Medical Center, Inc. (Saginaw, MI) and Sharp Rees-Stealy Medical Group, Inc (San Diego, CA). 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 Lilia Peress'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 Lilia Peress was last updated on December 30, 2019. 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.