DOUGLAS STEPHEN SOUTHERN PHD
NPI 1043407190
Psychologist in Norman, OK
About Douglas Stephen Southern Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS STEPHEN SOUTHERN PHD (NPI 1043407190) is an individual psychologist in Norman, Oklahoma, licensed in Oklahoma (1445) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses 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
Douglas Stephen Southern 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 Reassignment
Medicare enrollment records show Douglas Southern reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Norman, OK 73026
- Reassigned Medicare billing, Oklahoma enrollment
- 86 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.
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.
NORMAN, OK 73026
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 Douglas Southern's NPI number?
The NPI number for Douglas Southern is 1043407190. It was assigned to this individual provider in the NPPES registry on October 2, 2007.
Where is Douglas Southern located?
Douglas Southern practices at 15951 Little Axe Dr, Norman, OK 73026. The listed phone number is (405) 447-0300.
What is Douglas Southern's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Douglas Southern enrolled in Medicare?
Yes. Douglas Southern 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 Douglas Southern's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Southern reassigns Medicare benefits to Absentee Shawnee Tribal Health Authority, Inc. (Norman, OK). 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 Douglas Southern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Douglas Southern accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Douglas Southern 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 Douglas Southern was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.