GILEAD QUANTUM HEALTH SYSTEMS INC.
NPI 1043497290
Clinic/Center in Lanham, MD

Q: What is Gilead Quantum Health Systems Inc.'s NPI number?

The NPI number for Gilead Quantum Health Systems Inc. is 1043497290. It was assigned to this organization in the NPPES registry on January 29, 2008.

Q: What is Gilead Quantum Health Systems Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Active since January 29, 2008

9470 ANNAPOLIS RD STE 117, LANHAM, MD 20706(301) 577-9111(301) 577-9199 Get Directions Write a Review

NPPES record last updated: August 2, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Gilead Quantum Health Systems Inc. NPPES

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

GILEAD QUANTUM HEALTH SYSTEMS INC. (NPI 1043497290) is a healthcare organization registered as a clinic/center in Lanham, Maryland and active in the NPI registry since January 2008. The organization lists Theodore C. Osuala, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1043497290

Entity TypeOrganization

Primary Taxonomy261Q00000X

Legal Business NameGILEAD QUANTUM HEALTH SYSTEMS INC.

Location Address9470 ANNAPOLIS RD STE 117Lanham, MD 20706-3031

Mailing Address7515 Annapolis Rd, Suite 210Landover Hills, MD 20784-1740 · (301) 577-9111 · Fax (301) 577-9199

Phone(301) 577-9111

Fax(301) 577-9199

Organization SubpartNo

Authorized OfficialTheodore C. OsualaMedical Director · (301) 577-9111

Enumeration DateJanuary 29, 2008

Last NPPES UpdateAugust 2, 2022

NPPES CertifiedAugust 2, 2022

✔ NPI 1043497290 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities

Taxonomy Code261Q00000X

License✔ Licensed in MD · DOO64126

Definition

A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).

9470 ANNAPOLIS RD STE 117, Lanham, MD 20706

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gilead Quantum Health Systems Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 4 clinicians reassign Medicare billing to Gilead Quantum Health Systems Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Theodore Osuala, MD

Psychiatry

NPI 1356428833

9470 ANNAPOLIS RD SUITE 117
Lanham, MD 20706

(301) 577-9111

✔ PECOS✔ Accepts MedicareSame address

Sharma Ndum

Nurse Practitioner

NPI 1346502432

2932 GALESHEAD DR
Upper Marlboro, MD 20774

(240) 899-3989

✔ PECOS✔ Accepts Medicare9.4 mi

Titilayo Afe, PMHNP

Nurse Practitioner

NPI 1477261428

901 HARRY S TRUMAN DR N
Largo, MD 20774

(202) 360-8353

✔ PECOS✔ Accepts Medicare15 mi

Esther Shadare, DNP

Nurse Practitioner

NPI 1245609775

1401 MADISON PARK DR STE 201
Glen Burnie, MD 21061

(410) 787-5704

✔ PECOS✔ Accepts Medicare17 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 Gilead Quantum Health Systems Inc.'s NPI number?

The NPI number for Gilead Quantum Health Systems Inc. is 1043497290. It was assigned to this organization in the NPPES registry on January 29, 2008.

Where is Gilead Quantum Health Systems Inc. located?

Gilead Quantum Health Systems Inc. is located at 9470 Annapolis Rd Ste 117, Lanham, MD 20706. The listed phone number is (301) 577-9111.

What is Gilead Quantum Health Systems Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is Gilead Quantum Health Systems Inc. enrolled in Medicare?

Yes. Gilead Quantum Health Systems Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gilead Quantum Health Systems Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Gilead Quantum Health Systems Inc.. 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 (3) and Psychiatry (1). Of these, 1 practice at this address and 2 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 Gilead Quantum Health Systems Inc. was last updated on August 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.