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SERENITY BEHAVIORAL SERVICES, PLLC
NPI 1336423086
Counselor - Mental Health in Antlers, OK

Active since September 29, 2011
301 N HIGH ST, ANTLERS, OK 74523(580) 271-7055(580) 271-7056 Get Directions Write a Review

NPPES record last updated: March 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 4, 2026, May 13, 2021, Apr 13, 2021 (3 updates tracked since 2021).

About Serenity Behavioral Services, Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SERENITY BEHAVIORAL SERVICES, PLLC (NPI 1336423086) is a healthcare organization registered as a mental health in Antlers, Oklahoma and active in the NPI registry since September 2011. The organization lists Malisa Jane Hallman, Owner / Ceo, as its authorized official.

NPPES Registry Identity

NPI1336423086
Entity TypeOrganization
Primary Taxonomy101YM0800X
Legal Business NameSERENITY BEHAVIORAL SERVICES, PLLC
Location Address301 N HIGH STAntlers, OK 74523-2238
Mailing Address301 N High StAntlers, OK 74523-2238 · (580) 271-7055 · Fax (580) 271-7055
Phone(580) 271-7055
Fax(580) 271-7056
Organization SubpartNo
Authorized OfficialMalisa Jane HallmanOwner / Ceo · (580) 271-1638
Enumeration DateSeptember 29, 2011
Last NPPES UpdateMarch 4, 20263 updates tracked since enumeration
NPPES CertifiedMarch 4, 2026
✔ NPI 1336423086 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in OK · 0340
301 N HIGH ST, Antlers, OK 74523
Open in Google Maps ↗

Other Names 1

Other NameSerenity

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Serenity Behavioral Services, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Serenity Behavioral Services, PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Rachel Stringfellow
Clinical Social Worker
NPI 1124459359
301 N HIGH ST
Antlers, OK 74523
(580) 271-7055
✔ PECOS✔ Accepts MedicareSame address
Tara Martin
Mental Health Counselor
NPI 1922421098
HC 71 BOX 1A
Soper, OK 74759
(580) 317-5533
✔ PECOS15 mi

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 Serenity Behavioral Services, PLLC's NPI number?

The NPI number for Serenity Behavioral Services, PLLC is 1336423086. It was assigned to this organization in the NPPES registry on September 29, 2011. The provider is also known as Serenity.

Where is Serenity Behavioral Services, PLLC located?

Serenity Behavioral Services, PLLC is located at 301 N High St, Antlers, OK 74523. The listed phone number is (580) 271-7055.

What is Serenity Behavioral Services, PLLC's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Serenity Behavioral Services, PLLC enrolled in Medicare?

Yes. Serenity Behavioral Services, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Serenity Behavioral Services, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Serenity Behavioral Services, PLLC, in Clinical Social Worker and Mental Health Counselor. A 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 the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Serenity Behavioral Services, PLLC 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 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.