KRISTY L DIFFLEY NURSE PRACTITIONER
NPI 1154828150
Nurse Practitioner - Family in Manassas, VA

Q: What is Kristy Diffley's NPI number?

The NPI number for Kristy Diffley is 1154828150. It was assigned to this individual provider in the NPPES registry on April 7, 2018.

Q: What is Kristy Diffley's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Kristy Diffley was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since April 07, 2018PECOS EnrolledAccepts Medicare Assignment

8640 SUDLEY RD STE 302, MANASSAS, VA 20110(703) 369-5959 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Oct 21, 2021, Sep 19, 2018 and 1 more (4 updates tracked since 2018).

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About Kristy L Diffley Nurse Practitioner NPPES

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

KRISTY L DIFFLEY NURSE PRACTITIONER (NPI 1154828150) is an individual family provider in Manassas, Virginia, licensed in Virginia (0024176464) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Novant Health Uva Health System Culpeper Med Cente, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1154828150

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameKRISTY L DIFFLEYCredential: NURSE PRACTITIONER

Location Address8640 SUDLEY RD STE 302Manassas, VA 20110-4404

Mailing AddressPo Box 748613Atlanta, GA 30384-8613

Phone(703) 369-5959

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateApril 7, 2018

Last NPPES UpdateSeptember 11, 20254 updates tracked since enumeration

NPPES CertifiedSeptember 11, 2025

✔ NPI 1154828150 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in VA · 0024176464

8640 SUDLEY RD STE 302, Manassas, VA 20110

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Secondary Practice Locations 2

Location 175 W Lee HwyWarrenton, VA 20186-2149 · Phone (540) 351-0662

Location 28988 Fern Park DrBurke, VA 22015 · Phone (703) 978-6061

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kristy L Diffley Nurse Practitioner is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4385980424

PECOS Enrollment IDI20190110003495

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Novant Health Uva Health System Culpeper Med Cente

Acute Care Hospitals · Culpeper, VA

1/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number490019

Location501 Sunset LaneCulpeper, VA 22701 · Culpeper County

Emergency services Birthing friendly

Fauquier Hospital

Acute Care Hospitals · Warrenton, VA

3/5 CMS rating

OwnershipProprietary

CMS Certification Number490023

Location500 Hospital DriveWarrenton, VA 20186 · Fauquier County

Emergency services Birthing friendly

Novant Prince William Medical Center

Acute Care Hospitals · Manassas, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490045

Location8700 Sudley RdManassas, VA 20110 · Manassas City County

Emergency services Birthing friendly

Uva Health Haymarket Medical Center

Acute Care Hospitals · Haymarket, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490144

Location15225 Healthcote BoulevardHaymarket, VA 20169 · Prince William County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$86.88 typical visit price

range $56.19 – $170.30

Typical copayment $21.72 (range $14.04 – $42.57)

Most-billed visit code 99203

Established Patient

$99.13 typical visit price

range $18.07 – $138.91

Typical copayment $24.78 (range $4.51 – $34.72)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

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

BHUMI AMIN

Nurse Practitioner (Family)