DIANA L TOMLIANOVICH PMHNP-BC
NPI 1497288492
Nurse Practitioner - Psychiatric/Mental Health in Mount Vernon, IL
About Diana L Tomlianovich Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA L TOMLIANOVICH PMHNP-BC (NPI 1497288492) is an individual psychiatric/mental health provider in Mount Vernon, Illinois, licensed in Illinois (209.014810) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital -centralia, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 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
Diana L Tomlianovich Pmhnp-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.
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
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, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62864 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Diana Tomlianovich's NPI number?
The NPI number for Diana Tomlianovich is 1497288492. It was assigned to this individual provider in the NPPES registry on April 6, 2017.
Where is Diana Tomlianovich located?
Diana Tomlianovich practices at 2920 Veterans Memorial Dr, Mount Vernon, IL 62864. The listed phone number is (618) 244-6544.
What is Diana Tomlianovich's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Diana Tomlianovich enrolled in Medicare?
Yes. Diana Tomlianovich 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 Diana Tomlianovich accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Diana Tomlianovich 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 Diana Tomlianovich affiliated with any hospitals?
According to CMS data, Diana Tomlianovich is affiliated with Ssm Health St Mary's Hospital -Centralia.
When was this NPI record last updated?
The NPPES record for Diana Tomlianovich was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
