Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

PAM L DIFFLEY CRNA
NPI 1760456339
Registered Nurse in Reston, VA

Active since February 13, 2006
1850 TOWN CENTER PARKWAY, RESTON HOSPITAL CENTER, RESTON, VA 20190(703) 471-0919(703) 742-9081 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Pam L Diffley Crna NPPES

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

PAM L DIFFLEY CRNA (NPI 1760456339) is an individual registered nurse in Reston, Virginia and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1760456339
Entity TypeIndividualFemale
Primary Taxonomy163W00000X
Provider Legal NamePAM L DIFFLEYCredential: CRNA
Location Address1850 TOWN CENTER PARKWAY, RESTON HOSPITAL CENTERReston, VA 20190
Mailing AddressPo Box 2757Reston, VA 20195 · (703) 471-0919 · Fax (703) 742-9081
Fax(703) 742-9081
Sole ProprietorNo
Enumeration DateFebruary 13, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1760456339 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyRegistered NurseNursing Service Providers
Taxonomy Code163W00000X
Definition

(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.

Also ListedNurse Anesthetist, Certified RegisteredTaxonomy 367500000X
1850 TOWN CENTER PARKWAY, Reston, VA 20190

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.

Emergency Medicine
1850 TOWN CENTER PARKWAY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Clinic/Center (Multi-Specialty)
1850 TOWN CENTER PARKWAY, SUITE 400
RESTON, VA 20190
Physician Assistant
1850 TOWN CENTER PARKWAY, SUITE 400
RESTON, VA 20190
Radiology (Radiation Oncology)
1850 TOWN CENTER PARKWAY
RESTON, VA 20190
Physical Therapist
1850 TOWN CENTER PARKWAY, SUITE 403
RESTON, VA 20190
Urology
1850 TOWN CENTER PARKWAY, SUITE 409
RESTON, VA 20190
Physician Assistant
1850 TOWN CENTER PARKWAY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Nurse Anesthetist, Certified Registered
1850 TOWN CENTER PARKWAY, RESTON HOSPITAL CENTER
RESTON, VA 20190

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 Pam Diffley's NPI number?

The NPI number for Pam Diffley is 1760456339. It was assigned to this individual provider in the NPPES registry on February 13, 2006.

Where is Pam Diffley located?

Pam Diffley practices at 1850 Town Center Parkway Reston Hospital Center, Reston, VA 20190. The listed phone number is (703) 471-0919.

What is Pam Diffley's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

When was this NPI record last updated?

The NPPES record for Pam Diffley was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.