RIVER WILLIAMS PHD
NPI 1932889268
Psychologist - Intellectual and Developmental Disabilities in Lincoln, NE
About River Williams Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RIVER WILLIAMS PHD (NPI 1932889268) is an individual intellectual and developmental disabilities provider in Lincoln, Nebraska, licensed in Nebraska (1195) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
River Williams Phd 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 River Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lincoln, NE 68516
- Reassigned Medicare billing, Nebraska enrollment
- 2 clinicians in this Medicare group
Lincoln, NE 68510
- Reassigned Medicare billing, Nebraska enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
LINCOLN, NE 68510
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 River Williams's NPI number?
The NPI number for River Williams is 1932889268. It was assigned to this individual provider in the NPPES registry on July 21, 2023. The provider is also known as Jodie Waits.
Where is River Williams located?
River Williams practices at 4435 O St Ste 211, Lincoln, NE 68510. The listed phone number is (402) 489-2218.
What is River Williams's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Intellectual and Developmental Disabilities, with taxonomy code 103TM1800X.
Is River Williams enrolled in Medicare?
Yes. River Williams 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 River Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), River Williams reassigns Medicare benefits to 2 organizations: Marti Mental Health Services Inc. (Lincoln, NE) and Riverstone Psychology, LLC (Lincoln, NE). 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 River Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does River Williams accept?
Health plans from Blue Cross and Blue Shield of Nebraska, Oscar Insurance Company and UnitedHealthcare list River Williams 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 River Williams was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# River Williams, PHD · NPI 1932889268
Intellectual and Developmental Disabilities provider in Lincoln, Nebraska. Individual provider, active in the CMS NPPES registry since July 21, 2023.
## Identity
- **NPI:** 1932889268 (Entity type: Individual)
- **Enumerated:** July 21, 2023
- **Primary specialty:** Psychologist - Intellectual and Developmental Disabilities · taxonomy 103TM1800X
- **State license:** 1195 (Nebraska)
- **Sole proprietor:** No
## Practice location
- **Address:** 4435 O ST STE 211, Lincoln, NE 68510-1864
- **Phone:** (402) 489-2218 · **Fax:** (402) 489-3666
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Marti Mental Health Services Inc. (NPI 1649640467, Lincoln, NE); Riverstone Psychology, LLC (NPI 1205789237, Lincoln, NE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** August 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1932889268) · Data from the CMS NPPES public registry.