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OASIS HEALTH SERVICES LLC
NPI 1902427149
Nurse Practitioner - Psychiatric/Mental Health in Roswell, GA

Active since April 28, 2020CLIA 11D2344083 · Waiver
11285 ELKINS RD STE J6, ROSWELL, GA 30076(470) 802-6838(209) 290-3019 Get Directions Write a Review

NPPES record last updated: February 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 31, 2026, Sep 18, 2025, Sep 3, 2025 and 15 more (18 updates tracked since 2020).

About Oasis Health Services Llc NPPES

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

OASIS HEALTH SERVICES LLC (NPI 1902427149), doing business as Oasis Behavioral Health Services, is a healthcare organization registered as a psychiatric/mental health in Roswell, Georgia and active in the NPI registry since April 2020. The organization holds a CLIA Waiver certificate valid through May 17, 2028, maintains 4 additional practice locations, and lists Olajumoke Akinyele, Ceo, as its authorized official.

NPPES Registry Identity

NPI1902427149
Entity TypeOrganization
Primary Taxonomy363LP0808X
Legal Business NameOASIS HEALTH SERVICES LLC
Location Address11285 ELKINS RD STE J6Roswell, GA 30076-1264
Mailing Address11285 Elkins Rd Ste J6Roswell, GA 30076-1264 · (470) 802-6838 · Fax (209) 290-3019
Phone(470) 802-6838
Fax(209) 290-3019
Organization SubpartNo
Authorized OfficialOlajumoke AkinyeleCeo · (509) 381-6035
Enumeration DateApril 28, 2020
Last NPPES UpdateFebruary 21, 202618 updates tracked since enumeration
NPPES CertifiedFebruary 21, 2026
✔ NPI 1902427149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X
11285 ELKINS RD STE J6, Roswell, GA 30076
Open in Google Maps ↗

Other Names 1

Doing Business AsOasis Behavioral Health Services

Secondary Practice Locations 4

Location 11499 W Palmetto Park Rd Ste 212DBoca Raton, FL 33486-3322 · Phone (470) 802-6838 · Fax (209) 290-3019
Location 22942 N 24th StPhoenix, AZ 85016-7844 · Phone (470) 802-6838 · Fax (209) 290-3019
Location 3516 N Rolling Rd Ste 305Catonsville, MD 21228-4142 · Phone (470) 802-6838 · Fax (209) 290-3019
Location 4707 W Main Ave Ste B1Spokane, WA 99201-0631 · Phone (470) 802-6838 · Fax (209) 290-3019

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oasis Health Services Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Oasis Health Services LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Olajumoke Akinyele, DNP
Nurse Practitioner
NPI 1659807386
11285 ELKINS RD STE J6
Roswell, GA 30076
(470) 802-6838
✔ PECOS✔ Accepts MedicareSame address
Olawunmi Olufowobi
Nurse Practitioner
NPI 1316531353
10440 LITTLE PATUXENT PKWY
Columbia, MD 21044
(240) 593-0480
✔ PECOS546 mi
Iman Yunis, DNP
Nurse Practitioner
NPI 1326698077
21907 64TH AVE W STE 200
Mountlake Terrace, WA 98043
(470) 966-0299
✔ PECOS✔ Accepts Medicare2,174 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 11D2344083

Oasis Health Services LLC · Roswell, GA
Active · expires May 17, 2028
CLIA Number11D2344083
Laboratory TypePractitioner Other
Certificate Effective DateMay 18, 2026
Certificate Expiration DateMay 17, 2028
Laboratory DirectorOlajumoke Akinyele
Laboratory Phone(509) 381-6035
Laboratory LocationOasis Health Services LLC11285 Elkins Road, Suite J-6, Roswell, GA 30076
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Oasis Health Services LLC's NPI number?

The NPI number for Oasis Health Services LLC is 1902427149. It was assigned to this organization in the NPPES registry on April 28, 2020. The provider is doing business as Oasis Behavioral Health Services.

Where is Oasis Health Services LLC located?

Oasis Health Services LLC is located at 11285 Elkins Rd Ste J6, Roswell, GA 30076. The listed phone number is (470) 802-6838.

What is Oasis Health Services LLC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Oasis Health Services LLC enrolled in Medicare?

Yes. Oasis Health Services LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oasis Health Services LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Nurse Practitioner, reassign their Medicare billing to Oasis Health Services LLC. 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.

Does Oasis Health Services LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 11D2344083) is associated with this NPI, valid through May 17, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Oasis Health Services LLC accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Oasis Health Services LLC 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 Oasis Health Services LLC was last updated on February 21, 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.