CASEY LEROY FIELDS
NPI 1043910888
Social Worker in Tulsa, OK
About Casey Leroy Fields NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASEY LEROY FIELDS (NPI 1043910888) is an individual social worker in Tulsa, Oklahoma, licensed in Oklahoma (21825) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Casey Leroy Fields is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Casey Fields reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74135
- Reassigned Medicare billing, Oklahoma enrollment
- 333 clinicians in this Medicare group
Sand Springs, OK 74063
- Reassigned Medicare billing, Oklahoma 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 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 Casey Fields's NPI number?
The NPI number for Casey Fields is 1043910888. It was assigned to this individual provider in the NPPES registry on March 9, 2023.
Where is Casey Fields located?
Casey Fields practices at 6128 E 38th St, Tulsa, OK 74135. The listed phone number is (918) 519-8738.
What is Casey Fields's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Casey Fields enrolled in Medicare?
Yes. Casey Fields is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Casey Fields's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Casey Fields reassigns Medicare benefits to 2 organizations: Grand Lake Mental Health Center, Inc. (Tulsa, OK) and Core 6 Therapeutic Services (Sand Springs, OK). 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 Casey Fields's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Casey Fields accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Oscar Insurance Company list Casey Fields 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 Casey Fields was last updated on May 19, 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.
# Casey Leroy Fields · NPI 1043910888
Social Worker provider in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since March 9, 2023.
## Identity
- **NPI:** 1043910888 (Entity type: Individual)
- **Enumerated:** March 9, 2023
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 21825 (Oklahoma)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6128 E 38TH ST, Tulsa, OK 74135-5832
- **Phone:** (918) 519-8738
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Grand Lake Mental Health Center, Inc. (NPI 1487201133, Tulsa, OK); Core 6 Therapeutic Services (NPI 1104764067, Sand Springs, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** May 19, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1043910888) · Data from the CMS NPPES public registry.