WELLNESS HEALTH SERVICES, LLC
NPI 1366044398
Community/Behavioral Health in Baltimore, MD

Q: What is Wellness Health Services, LLC's NPI number?

The NPI number for Wellness Health Services, LLC is 1366044398. It was assigned to this organization in the NPPES registry on November 13, 2020. The provider is doing business as The ARK of MD and The Ark of DC.

Q: What is Wellness Health Services, LLC's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Active since November 13, 2020

5900 YORK RD STE 206, BALTIMORE, MD 21212(202) 489-0615(202) 379-9220 Get Directions Write a Review

NPPES record last updated: February 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 30, 2023, Mar 29, 2023, Nov 29, 2022 and 1 more (4 updates tracked since 2020).

On this page

About Wellness Health Services, Llc NPPES

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

WELLNESS HEALTH SERVICES, LLC (NPI 1366044398), doing business as The Ark Of Md, is a healthcare organization registered as a community/behavioral health in Baltimore, Maryland and active in the NPI registry since November 2020. The organization lists Nadine Arnal Toko, Chairwoman, as its authorized official.

NPPES Registry Identity

NPI1366044398

Entity TypeOrganization

Primary Taxonomy251S00000X

Legal Business NameWELLNESS HEALTH SERVICES, LLC

Location Address5900 YORK RD STE 206Baltimore, MD 21212-3098

Mailing Address11202 Marwood Hill DrPotomac, MD 20854-1241 · (202) 489-0615

Phone(202) 489-0615

Fax(202) 379-9220

Organization SubpartNo

Authorized OfficialNadine Arnal TokoChairwoman · (202) 489-0615

Enumeration DateNovember 13, 2020

Last NPPES UpdateFebruary 13, 20264 updates tracked since enumeration

NPPES CertifiedFebruary 13, 2026

✔ NPI 1366044398 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 14

★ Primary SpecialtyCommunity/Behavioral HealthAgencies

Taxonomy Code251S00000X

Definition

A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X

Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X

Also ListedRegistered Nurse · Psychiatric/Mental HealthTaxonomy 163WP0808X

Also ListedPsychiatry & Neurology · Psychosomatic MedicineTaxonomy 2084P0015X

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X

Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X

Also ListedHome HealthTaxonomy 251E00000X

Also ListedClinic/Center · Rehabilitation, Comprehensive Outpatient Rehabilitation Facility (CORF)Taxonomy 261QR0401X

Also ListedClinic/Center · Rehabilitation, Substance Use DisorderTaxonomy 261QR0405X

Also ListedSubstance Abuse Rehabilitation Facility · Substance Abuse Treatment, ChildrenTaxonomy 3245S0500X

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X

Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X

Also ListedClinical Nurse Specialist · Psychiatric/Mental HealthTaxonomy 364SP0808X

5900 YORK RD STE 206, Baltimore, MD 21212

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Other Names 2

Doing Business AsThe Ark Of Md

Doing Business AsThe Ark Of Dc

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 9 clinicians reassign Medicare billing to Wellness Health Services, LLC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (9)

Gissella Mana

Nurse Practitioner

NPI 1033473582

5526 GREEN DORY LN
Columbia, MD 21044

(301) 640-8687

✔ PECOS✔ Accepts Medicare18 mi

Gedeon Longtchi, FNP

Nurse Practitioner

NPI 1689157331

2454 VINEYARD LN
Crofton, MD 21114

(240) 353-2357

✔ PECOS23 mi

Karen Allen, KAREN ALLEN

Clinical Social Worker

NPI 1255610820

4329 NORTHVIEW DR
Bowie, MD 20716

(301) 741-7934

✔ PECOS29 mi

Chioma Oulega, PMHNP-BC

Nurse Practitioner

NPI 1891037255

9536 DUBARRY AVE
Lanham, MD 20706

(301) 385-1835

✔ PECOS✔ Accepts Medicare30 mi

Theodore Osuala, MD

Psychiatry

NPI 1356428833

9470 ANNAPOLIS RD SUITE 117
Lanham, MD 20706

(301) 577-9111

✔ PECOS✔ Accepts Medicare30 mi

Prudence Mancho, FNP-BC

Nurse Practitioner

NPI 1891063822

14221 NORTHGATE DR
Silver Spring, MD 20906

(301) 807-6957

✔ PECOS✔ Accepts Medicare30 mi

Collette Odibo, APRN-CNP

Nurse Practitioner

NPI 1255661294

1818 NEW YORK AVE NE STE 110
Washington, DC 20002

(202) 489-0615

✔ PECOS✔ Accepts Medicare36 mi

Helen Viban, NP

Nurse Practitioner

NPI 1598020877

1221 TAYLOR ST NW
Washington, DC 20011

(202) 464-9200

✔ PECOS37 mi

Eric Yenchi

Nurse Practitioner

NPI 1346723970

8102 KITTAMA DR
Clinton, MD 20735

(240) 643-1063

✔ PECOS✔ Accepts Medicare45 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 Wellness Health Services, LLC's NPI number?

The NPI number for Wellness Health Services, LLC is 1366044398. It was assigned to this organization in the NPPES registry on November 13, 2020. The provider is doing business as The ARK of MD and The Ark of DC.

Where is Wellness Health Services, LLC located?

Wellness Health Services, LLC is located at 5900 York Rd Ste 206, Baltimore, MD 21212. The listed phone number is (202) 489-0615.

What is Wellness Health Services, LLC's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Is Wellness Health Services, LLC enrolled in Medicare?

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

How many clinicians bill Medicare through Wellness Health Services, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 3 Medicare specialties reassign their Medicare billing to Wellness 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. The largest specialties are Nurse Practitioner (7), Clinical Social Worker (1) and Psychiatry (1). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Wellness Health Services, LLC was last updated on February 13, 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.