Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

PEGGY J LOMAX MD PLLC
NPI 1891603833
Psychiatry & Neurology - Psychiatry in Mclean, VA

Q: What is Peggy J Lomax MD PLLC's NPI number?

The NPI number for Peggy J Lomax MD PLLC is 1891603833. It was assigned to this organization in the NPPES registry on August 31, 2026.

Q: What is Peggy J Lomax MD PLLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since August 31, 2026

6845 ELM STREET, SUITE 400, MCLEAN, VA 22101(703) 442-8889(202) 298-6327 Get Directions Write a Review

NPPES record added: August 31, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Peggy J Lomax Md Pllc NPPES

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

PEGGY J LOMAX MD PLLC (NPI 1891603833) is a healthcare organization registered as a psychiatry in Mclean, Virginia and active in the NPI registry since August 2026. The organization lists Peggy Jean Lomax, Physician/psychiatrist, as its authorized official.

NPPES Registry Identity

NPI1891603833

Entity TypeOrganization

Primary Taxonomy2084P0800X

Legal Business NamePEGGY J LOMAX MD PLLC

Location Address6845 ELM STREET, SUITE 400Mclean, VA 22101-6028

Mailing Address6845 Elm Street, Suite 400Mclean, VA 22101-6028 · (703) 442-8889 · Fax (202) 298-6327

Phone(703) 442-8889

Fax(202) 298-6327

Organization SubpartNo

Authorized OfficialPeggy Jean LomaxPhysician/psychiatrist · (703) 442-8889

Enumeration DateAugust 31, 2026

✔ NPI 1891603833 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

6845 ELM STREET, Mclean, 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

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BRIAN EGAN MD

Ophthalmology

6845 ELM STREET, SUITE 611
MCLEAN, VA 22101

Fairfax County (703) 956-6880

SUSAN SUMMERILL BRADY MPT

Physical Therapist

6845 ELM STREET, SUITE 110
MC LEAN, VA 22101

Fairfax County (703) 556-4424

DR. DAVID BROWN MCGIBBONS III DDS

Dentist

6845 ELM STREET, SUITE 500
MC LEAN, VA 22101

Fairfax County (703) 356-5330

DR. PEGGY JEAN LOMAX M.D.

Psychiatry & Neurology (Psychiatry)

6845 ELM STREET
MCLEAN, VA 22101

Fairfax County (703) 442-8889

DR. DAVID ELLIS HIATT PHD, MD

Psychiatry & Neurology (Psychiatry)

6845 ELM STREET, SUITE 400
MCLEAN, VA 22101

Fairfax County (703) 821-7966

EDNAN MUSHTAQ MD

Otolaryngology

6845 ELM STREET, SUITE 303
MCLEAN, VA 22101

Fairfax County (703) 448-0005

RICHARD L ROTH MD PC

Psychiatry & Neurology (Psychiatry)

6845 ELM STREET, SUITE 210
MCLEAN, VA 22101

Fairfax County (703) 821-2337

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 Peggy J Lomax MD PLLC's NPI number?

The NPI number for Peggy J Lomax MD PLLC is 1891603833. It was assigned to this organization in the NPPES registry on August 31, 2026.

Where is Peggy J Lomax MD PLLC located?

Peggy J Lomax MD PLLC is located at 6845 Elm Street Suite 400, Mclean, VA 22101. The listed phone number is (703) 442-8889.

What is Peggy J Lomax MD PLLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Peggy J Lomax MD PLLC was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.