1. Home
  2. Directory
  3. Maryland
  4. Bethesda
  5. Psychologist
  6. NPI Profile

DR. BRYNN HUYSSEN PSY.D.
NPI 1063837219
Psychologist - Clinical in Bethesda, MD

Active since February 25, 2014
8901 ROCKVILLE PIKE, WALTER REED NATIONAL MILITARY MEDICAL CENTER, BETHESDA, MD 20889(203) 767-1664 Get Directions Write a Review

NPPES record last updated: February 25, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Brynn Huyssen Psy.d. NPPES

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

DR. BRYNN HUYSSEN PSY.D. (NPI 1063837219) is an individual clinical provider in Bethesda, Maryland, licensed in Maryland (05344) and active in the NPI registry since February 2014.

NPPES Registry Identity

NPI1063837219
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. BRYNN HUYSSENCredential: PSY.D.
Location Address8901 ROCKVILLE PIKE, WALTER REED NATIONAL MILITARY MEDICAL CENTERBethesda, MD 20889
Mailing Address11300 Rockville Pike, Suite 602Rockville, MD 20852-3003 · (203) 767-1664
Phone(203) 767-1664
Sole ProprietorNo
Enumeration DateFebruary 25, 2014
✔ NPI 1063837219 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in MD · 05344
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
8901 ROCKVILLE PIKE, Bethesda, MD 20889
Open in Google Maps ↗

Other Names 1

Other Name (5)Dr. Brynn Huyssen O'reilly Psy.d.

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. LIESL SHOCKLEY GRENIER M.D.
Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MEGAN JUDITH LENIHAN MD
Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
JOHNS HOPKINS UNIVERSITY
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 400-1382
NATASHA ANTONY MD
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4600
MATTHEW NICHOLAS RIBEIRO MD
Anesthesiology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MR. ANDREW JOSEPH ULLMANN JR. DO
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (908) 635-6978
BRYCE TANNER GARDNER DMD
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4340
PARESH RAM PATEL MD
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4810

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 Brynn Huyssen's NPI number?

The NPI number for Brynn Huyssen is 1063837219. It was assigned to this individual provider in the NPPES registry on February 25, 2014. The provider is also known as Dr. Brynn Huyssen O'reilly Psy.D..

Where is Brynn Huyssen located?

Brynn Huyssen practices at 8901 Rockville Pike Walter Reed National Military Medical Center, Bethesda, MD 20889. The listed phone number is (203) 767-1664.

What is Brynn Huyssen's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Brynn Huyssen was last updated on February 25, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.