VIOLET THEODOS PH.D.
NPI 1184948184
Psychologist - Clinical in Oak Brook, IL
About Violet Theodos Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIOLET THEODOS PH.D. (NPI 1184948184) is an individual clinical provider in Oak Brook, Illinois, licensed in Illinois (071007259) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Oak Brook, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Violet Theodos Ph.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 Reassignment
Medicare enrollment records show Violet Theodos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois enrollment
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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60523 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
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 Violet Theodos's NPI number?
The NPI number for Violet Theodos is 1184948184. It was assigned to this individual provider in the NPPES registry on March 18, 2010.
Where is Violet Theodos located?
Violet Theodos practices at 1550 Spring Rd Ste 220, Oak Brook, IL 60523. The listed phone number is (630) 233-4740.
What is Violet Theodos's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Violet Theodos enrolled in Medicare?
Yes. Violet Theodos 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 organization bills Medicare for Violet Theodos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Violet Theodos reassigns Medicare benefits to Violet Theodos, Ph.D. PLLC (Oak Brook, IL). The 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 Violet Theodos'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 Violet Theodos was last updated on May 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Violet Theodos, PH.D. · NPI 1184948184
Clinical provider in Oak Brook, Illinois. Individual provider, active in the CMS NPPES registry since March 18, 2010.
## Identity
- **NPI:** 1184948184 (Entity type: Individual)
- **Enumerated:** March 18, 2010
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 071007259 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1550 SPRING RD STE 220, Oak Brook, IL 60523-1362
- **Phone:** (630) 233-4740
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Violet Theodos, Ph.D. PLLC (NPI 1295357515, Oak Brook, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** May 4, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1184948184) · Data from the CMS NPPES public registry.