OLIVIA MATTI FNP-BC
NPI 1619657848
Nurse Practitioner - Family in Warren, MI
About Olivia Matti Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLIVIA MATTI FNP-BC (NPI 1619657848) is an individual family provider in Warren, Michigan, licensed in Michigan (4704353863) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Olivia Matti Fnp-bc 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
2Medicare enrollment records show Olivia Matti reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Clemens, MI 48043
- Reassigned Medicare billing, Michigan enrollment
- 32 clinicians in this Medicare group
Detroit, MI 48228
- Reassigned Medicare billing, Michigan enrollment
- 30 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 48092 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Olivia Matti's NPI number?
The NPI number for Olivia Matti is 1619657848. It was assigned to this individual provider in the NPPES registry on July 21, 2023.
Where is Olivia Matti located?
Olivia Matti practices at 31200 Dequindre Rd, Warren, MI 48092. The listed phone number is (586) 939-1800.
What is Olivia Matti's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Olivia Matti enrolled in Medicare?
Yes. Olivia Matti 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 Olivia Matti's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Matti reassigns Medicare benefits to 2 organizations: Observation Physicians Of Macomb PLLC (Mount Clemens, MI) and Alliance Health Physicians PLLC (Detroit, MI). 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 Olivia Matti's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Olivia Matti accept?
Health plans from Priority Health list Olivia Matti 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.
When was this NPI record last updated?
The NPPES record for Olivia Matti was last updated on October 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Olivia Matti, FNP-BC · NPI 1619657848
Family physician in Warren, Michigan. Individual provider, active in the CMS NPPES registry since July 21, 2023.
## Identity
- **NPI:** 1619657848 (Entity type: Individual)
- **Enumerated:** July 21, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 4704353863 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 31200 DEQUINDRE RD, Warren, MI 48092-1344
- **Phone:** (586) 939-1800
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Observation Physicians Of Macomb PLLC (NPI 1144855941, Mount Clemens, MI); Alliance Health Physicians PLLC (NPI 1346038189, Detroit, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** October 12, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1619657848) · Data from the CMS NPPES public registry.