MRS. WHITNEY SLACK HARRISON CPNP
NPI 1912228305
Nurse Practitioner - Pediatrics in Bethesda, MD

Active since June 20, 2010
8901 WISCONSIN AVE, BETHESDA, MD 20889(301) 400-1613 Get Directions Write a Review

NPPES record last updated: March 28, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Mar 28, 2025, Oct 19, 2020 (2 updates tracked since 2020).

About Mrs. Whitney Slack Harrison Cpnp NPPES

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

MRS. WHITNEY SLACK HARRISON CPNP (NPI 1912228305) is an individual pediatrics provider in Bethesda, Maryland, licensed in Virginia (0024168842) and active in the NPI registry since June 2010.

NPPES Registry Identity

NPI1912228305
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMRS. WHITNEY SLACK HARRISONCredential: CPNP
Location Address8901 WISCONSIN AVEBethesda, MD 20889-4126
Mailing Address8901 Wisconsin AveBethesda, MD 20889-0004 · (301) 400-1613
Sole ProprietorNo
Enumeration DateJune 20, 2010
Last NPPES UpdateMarch 28, 20252 updates tracked since enumeration
NPPES CertifiedMarch 28, 2025
NPI 1912228305 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License Licensed in VA · 0024168842
8901 WISCONSIN AVE, Bethesda, MD 20889

Other Names 1

Former Name (1)Ms. Whitney Catherine Slack Cpnp

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.

Pharmacist
8901 WISCONSIN AVE
BETHESDA, MD 20889
Radiology (Diagnostic Radiology)
8901 WISCONSIN AVE
BETHESDA, MD 20889
Student in an Organized Health Care Education/Training Program
8901 WISCONSIN AVE
BETHESDA, MD 20889
Internal Medicine (Infectious Disease)
8901 WISCONSIN AVE
BETHESDA, MD 20889
General Practice
8901 WISCONSIN AVE
BETHESDA, MD 20889
Psychiatry & Neurology (Psychiatry)
8901 WISCONSIN AVE, WRNMMC, NICOE, BUILDING 51
BETHESDA, MD 20889
Physical Therapist
8901 WISCONSIN AVE
BETHESDA, MD 20889
Pediatrics
8901 WISCONSIN AVE
BETHESDA, MD 20889

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 Whitney Harrison's NPI number?

The NPI number for Whitney Harrison is 1912228305. It was assigned to this individual provider in the NPPES registry on June 20, 2010. The provider is also known as Ms. Whitney Catherine Slack Cpnp.

Where is Whitney Harrison located?

Whitney Harrison practices at 8901 Wisconsin Ave, Bethesda, MD 20889. The listed phone number is (301) 400-1613.

What is Whitney Harrison's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

When was this NPI record last updated?

The NPPES record for Whitney Harrison was last updated on March 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.