MARISSA HOOK
NPI 1134571151
Counselor - Mental Health in Atoka, OK
About Marissa Hook NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISSA HOOK (NPI 1134571151) is an individual mental health provider in Atoka, Oklahoma and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 3
Group Practice 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
Marissa Hook 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 Marissa Hook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Durant, OK 74701
- Reassigned Medicare billing, Oklahoma enrollment
- 47 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.
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 Marissa Hook's NPI number?
The NPI number for Marissa Hook is 1134571151. It was assigned to this individual provider in the NPPES registry on July 2, 2016.
Where is Marissa Hook located?
Marissa Hook practices at 1036 S Centerpoint Rd, Atoka, OK 74525. The listed phone number is (580) 364-4318.
What is Marissa Hook's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Marissa Hook enrolled in Medicare?
Yes. Marissa Hook 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 Marissa Hook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Hook reassigns Medicare benefits to Homecare Advisors LLC (Durant, 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 Marissa Hook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marissa Hook 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 3 other insurers list Marissa Hook 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 Marissa Hook was last updated on January 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Marissa Hook · NPI 1134571151
Mental Health provider in Atoka, Oklahoma. Individual provider, active in the CMS NPPES registry since July 2, 2016.
## Identity
- **NPI:** 1134571151 (Entity type: Individual)
- **Enumerated:** July 2, 2016
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1036 S CENTERPOINT RD, Atoka, OK 74525-8402
- **Phone:** (580) 364-4318
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Homecare Advisors LLC (NPI 1689152894, Durant, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** January 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1134571151) · Data from the CMS NPPES public registry.