LILLIAN JOY HOUSTON M.D.
NPI 1093919714
Psychiatry & Neurology - Psychiatry in Springfield, IL
About Lillian Joy Houston M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LILLIAN JOY HOUSTON M.D. (NPI 1093919714) is an individual psychiatry provider in Springfield, Illinois, licensed in Mississippi (20232) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, is affiliated with St Johns Hospital, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Lillian Joy Houston M.d. 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 Lillian Houston reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, IL 62702
- Reassigned Medicare billing, Illinois enrollment
- 645 clinicians in this Medicare group
Grenada, MS 38901
- Reassigned Medicare billing, Mississippi enrollment
- 1,932 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 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Johns Hospital
Acute Care Hospitals · Springfield, ILMemorial Medical Center
Acute Care Hospitals · Springfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62702 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Lillian Houston's NPI number?
The NPI number for Lillian Houston is 1093919714. It was assigned to this individual provider in the NPPES registry on June 14, 2007.
Where is Lillian Houston located?
Lillian Houston practices at 315 W Carpenter St Dept Of, Springfield, IL 62702. The listed phone number is (217) 545-8000.
What is Lillian Houston's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Lillian Houston enrolled in Medicare?
Yes. Lillian Houston 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 Lillian Houston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lillian Houston reassigns Medicare benefits to 2 organizations: Siu Physicians & Surgeons, Inc (Springfield, IL) and State Of Mississippi-University Of Mississippi Medical Center (Grenada, MS). 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 Lillian Houston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Lillian Houston affiliated with any hospitals?
According to CMS data, Lillian Houston is affiliated with St Johns Hospital and Memorial Medical Center.
When was this NPI record last updated?
The NPPES record for Lillian Houston was last updated on August 27, 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.