GREATER BALTIMORE BEHAVIORAL HEALTH SERVICES LLC
NPI 1538796735
Clinic/Center - Mental Health (Including Community Mental Health Center) in Baltimore, MD

Q: What is Greater Baltimore Behavioral Health Services LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

Active since March 26, 2020

402 E 25TH ST FL 1, BALTIMORE, MD 21218(410) 889-3000(410) 889-3003 Get Directions Write a Review

NPPES record last updated: March 26, 2020. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Greater Baltimore Behavioral Health Services Llc NPPES

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

GREATER BALTIMORE BEHAVIORAL HEALTH SERVICES LLC (NPI 1538796735) is a healthcare organization registered as a mental health (including community mental health center) in Baltimore, Maryland and active in the NPI registry since March 2020. The organization lists Olanrewaju Etti, Program Director, as its authorized official.

NPPES Registry Identity

NPI1538796735

Entity TypeOrganization

Primary Taxonomy261QM0801X

Legal Business NameGREATER BALTIMORE BEHAVIORAL HEALTH SERVICES LLC

Location Address402 E 25TH ST FL 1Baltimore, MD 21218-5304

Mailing Address402 E 25th St Fl 1Baltimore, MD 21218-5304 · (410) 889-3000 · Fax (410) 889-3003

Phone(410) 889-3000

Fax(410) 889-3003

Organization SubpartNo

Authorized OfficialOlanrewaju EttiProgram Director · (443) 600-4067

Enumeration DateMarch 26, 2020

NPPES CertifiedMarch 26, 2020

✔ NPI 1538796735 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities

Taxonomy Code261QM0801X

402 E 25TH ST FL 1, Baltimore, MD 21218

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Other Identifiers 1

Medicaid4108893000MD

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Greater Baltimore Behavioral 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 3 clinicians reassign Medicare billing to Greater Baltimore Behavioral Health Services LLC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Esther Chikwe-Onyejekwe

Nurse Practitioner

NPI 1265084644

300 E MADISON ST
Baltimore, MD 21202

(410) 545-8146

✔ PECOS✔ Accepts Medicare1.3 mi

Eric Amene, PMHNP

Nurse Practitioner

NPI 1750641221

4201 PRIMROSE AVE
Baltimore, MD 21215

(410) 764-8560

✔ PECOS✔ Accepts Medicare5.0 mi

Virginia Kamau, PMHNP

Nurse Practitioner

NPI 1720662711

4000 RIVER CRESCENT DR
Annapolis, MD 21401

(410) 224-8145

✔ PECOS✔ Accepts Medicare25 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 Greater Baltimore Behavioral Health Services LLC's NPI number?

The NPI number for Greater Baltimore Behavioral Health Services LLC is 1538796735. It was assigned to this organization in the NPPES registry on March 26, 2020.

Where is Greater Baltimore Behavioral Health Services LLC located?

Greater Baltimore Behavioral Health Services LLC is located at 402 E 25th St Fl 1, Baltimore, MD 21218. The listed phone number is (410) 889-3000.

What is Greater Baltimore Behavioral Health Services LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

Is Greater Baltimore Behavioral Health Services LLC enrolled in Medicare?

Yes. Greater Baltimore Behavioral Health Services LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Greater Baltimore Behavioral Health Services LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Nurse Practitioner, reassign their Medicare billing to Greater Baltimore Behavioral 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, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Greater Baltimore Behavioral Health Services LLC was last updated on March 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.