ADDISON MARIE OLIVER MS
NPI 1598337404
Counselor - Mental Health in Claremore, OK
About Addison Marie Oliver Ms NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADDISON MARIE OLIVER MS (NPI 1598337404) is an individual mental health provider in Claremore, Oklahoma and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
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 (PECOS)
Addison Marie Oliver Ms is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Addison Oliver reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Claremore, OK 74017
- Reassigned Medicare billing, Oklahoma enrollment
- 333 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.
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 Addison Oliver's NPI number?
The NPI number for Addison Oliver is 1598337404. It was assigned to this individual provider in the NPPES registry on July 12, 2021.
Where is Addison Oliver located?
Addison Oliver practices at 3100 Medical Pkwy, Claremore, OK 74017. The listed phone number is (844) 458-2100.
What is Addison Oliver's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Addison Oliver enrolled in Medicare?
Yes. Addison Oliver is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Addison Oliver's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Addison Oliver reassigns Medicare benefits to Grand Lake Mental Health Center Inc (Claremore, 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 Addison Oliver's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Addison Oliver accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Oscar Insurance Company list Addison Oliver 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 Addison Oliver was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Addison Marie Oliver, MS · NPI 1598337404
Mental Health provider in Claremore, Oklahoma. Individual provider, active in the CMS NPPES registry since July 12, 2021.
## Identity
- **NPI:** 1598337404 (Entity type: Individual)
- **Enumerated:** July 12, 2021
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** No
## Practice location
- **Address:** 3100 MEDICAL PKWY, Claremore, OK 74017-1088
- **Phone:** (844) 458-2100
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Grand Lake Mental Health Center Inc (NPI 1134539141, Claremore, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** March 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1598337404) · Data from the CMS NPPES public registry.