MCLEAN NEUROPSYCHIATRIC TREATMENT CENTER LLC
NPI 1356935597
Psychiatry & Neurology - Behavioral Neurology & Neuropsychiatry in Mc Lean, VA

Q: What is Mclean Neuropsychiatric Treatment Center LLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Behavioral Neurology & Neuropsychiatry, with taxonomy code 2084B0040X.

Active since March 01, 2021

6849 OLD DOMINION DR STE 315, MC LEAN, VA 22101(571) 378-1398(571) 580-0620 Get Directions Write a Review

NPPES record last updated: January 8, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 8, 2025, May 16, 2022, Mar 11, 2021 and 1 more (4 updates tracked since 2021).

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About Mclean Neuropsychiatric Treatment Center Llc NPPES

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

MCLEAN NEUROPSYCHIATRIC TREATMENT CENTER LLC (NPI 1356935597) is a healthcare organization registered as a behavioral neurology & neuropsychiatry in Mc Lean, Virginia and active in the NPI registry since March 2021. The organization lists Aazaz Haq, Owner, as its authorized official.

NPPES Registry Identity

NPI1356935597

Entity TypeOrganization

Primary Taxonomy2084B0040X

Legal Business NameMCLEAN NEUROPSYCHIATRIC TREATMENT CENTER LLC

Location Address6849 OLD DOMINION DR STE 315Mc Lean, VA 22101-3733

Mailing Address6849 Old Dominion Dr Ste 315Mc Lean, VA 22101-3733 · (571) 378-1398 · Fax (571) 580-0620

Phone(571) 378-1398

Fax(571) 580-0620

Organization SubpartNo

Authorized OfficialAazaz HaqOwner · (408) 663-1429

Enumeration DateMarch 1, 2021

Last NPPES UpdateJanuary 8, 20254 updates tracked since enumeration

NPPES CertifiedJanuary 8, 2025

✔ NPI 1356935597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Behavioral Neurology & NeuropsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084B0040X

Definition

Behavioral Neurology & Neuropsychiatry is a medical subspecialty involving the diagnosis and treatment of neurologically based behavioral issues.

6849 OLD DOMINION DR STE 315, Mc Lean, VA 22101

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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)

Mclean Neuropsychiatric Treatment Center Llc 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 Mclean Neuropsychiatric Treatment Center LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Aazaz Haq, M.D.

Neuropsychiatry

NPI 1457589509

6849 OLD DOMINION DR STE 315
Mc Lean, VA 22101

(571) 378-1398

✔ PECOS✔ Accepts MedicareSame address

Jessica Saetang, DO

Psychiatry

NPI 1841879350

150 RIVERSIDE PKWY SUITE 115 (PRIVATE OFFICE 121)
Fredericksburg, VA 22406

(833) 351-8255

✔ PECOS✔ Accepts Medicare45 mi

Sonia Alam, MD

Psychiatry

NPI 1316301633

1200 SAM PERRY BLVD
Fredericksburg, VA 22401

(540) 741-3900

✔ PECOS✔ Accepts Medicare46 mi

Jennifer Kilmer, PMHNP-BC

Nurse Practitioner

NPI 1902685407

700 MASSACHUSETTS AVE FL 3
Cambridge, MA 02139

(888) 500-2067

✔ PECOS✔ Accepts Medicare397 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 Mclean Neuropsychiatric Treatment Center LLC's NPI number?

The NPI number for Mclean Neuropsychiatric Treatment Center LLC is 1356935597. It was assigned to this organization in the NPPES registry on March 1, 2021.

Where is Mclean Neuropsychiatric Treatment Center LLC located?

Mclean Neuropsychiatric Treatment Center LLC is located at 6849 Old Dominion Dr Ste 315, Mc Lean, VA 22101. The listed phone number is (571) 378-1398.

What is Mclean Neuropsychiatric Treatment Center LLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Behavioral Neurology & Neuropsychiatry, with taxonomy code 2084B0040X.

Is Mclean Neuropsychiatric Treatment Center LLC enrolled in Medicare?

Yes. Mclean Neuropsychiatric Treatment Center LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mclean Neuropsychiatric Treatment Center LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Mclean Neuropsychiatric Treatment Center LLC, in Neuropsychiatry, Nurse Practitioner and Psychiatry. 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 Mclean Neuropsychiatric Treatment Center LLC was last updated on January 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.