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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HALLIE COOK MORRIS
NPI 1407650500
Family Medicine in Fairfax, VA

Active since April 01, 2025
3650 JOSEPH SIEWICK DR STE 400, FAIRFAX, VA 22033(703) 391-2020(703) 264-9861 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Hallie Cook Morris NPPES

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

HALLIE COOK MORRIS (NPI 1407650500) is an individual family medicine provider in Fairfax, Virginia, licensed in Virginia (0116042337) and active in the NPI registry since April 2025.

NPPES Registry Identity

NPI1407650500
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameHALLIE COOK MORRIS
Location Address3650 JOSEPH SIEWICK DR STE 400Fairfax, VA 22033-1715
Mailing Address3650 Joseph Siewick Dr Ste 400Fairfax, VA 22033-1715 · (703) 391-2020 · Fax (703) 264-9861
Phone(703) 391-2020
Fax(703) 264-9861
Sole ProprietorNo
Enumeration DateApril 1, 2025
Last NPPES UpdateJune 22, 2026
NPPES CertifiedJune 22, 2026
✔ NPI 1407650500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in VA · 0116042337
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3650 JOSEPH SIEWICK DR STE 400, Fairfax, VA 22033
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Other Providers at the Same Location NPPES 20

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

DR. SALLY MAY ABILMONA DO
Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
CAEHLA ELIZABETH MCGEADY MD
Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
DR. KATYA KERSTIN DE LA TORRE DO
Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
TAMMY HUYEN TRAN MD
Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
MR. KEVIN ANDREW EDINBOROUGH MD
Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
GRACE LECHMANN MD
Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
DR. CATHERINE ELIZABETH DUDEK DPT
Physical Therapist
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020
DR. ERIN MAE DAVIS DO
Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Fairfax County (703) 391-2020

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 Hallie Morris's NPI number?

The NPI number for Hallie Morris is 1407650500. It was assigned to this individual provider in the NPPES registry on April 1, 2025.

Where is Hallie Morris located?

Hallie Morris practices at 3650 Joseph Siewick Dr Ste 400, Fairfax, VA 22033. The listed phone number is (703) 391-2020.

What is Hallie Morris's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Hallie Morris was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.