DAVID J HARRISON MD
NPI 1073043808
Pediatrics - Pediatric Cardiology in Fairfax, VA

Active since June 14, 2017PECOS EnrolledAccepts Medicare Assignment
8260 WILLOW OAKS CORPORATE DR, FAIRFAX, VA 22031(703) 573-0504(703) 573-4856 Get Directions Write a Review

NPPES record last updated: December 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 3, 2025, Oct 23, 2023, Aug 23, 2023 and 1 more (4 updates tracked since 2017).

About David J Harrison Md NPPES

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

DAVID J HARRISON MD (NPI 1073043808) is an individual pediatric cardiology provider in Fairfax, Virginia, licensed in Massachusetts (274381) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and is a graduate of University Of California, Geffen School Of Medicine (2015).

NPPES Registry Identity

NPI1073043808
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameDAVID J HARRISONCredential: MD
Location Address8260 WILLOW OAKS CORPORATE DRFairfax, VA 22031-4513
Mailing Address8260 Willow Oaks Corporate DrFairfax, VA 22031-4513 · (703) 573-0504 · Fax (703) 573-4856
Fax(703) 573-4856
Sole ProprietorYes
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2015
Enumeration DateJune 14, 2017
Last NPPES UpdateDecember 3, 20254 updates tracked since enumeration
NPPES CertifiedDecember 3, 2025
✔ NPI 1073043808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
Licenses✔ Licensed in MA · 274381✔ Licensed in NH · 24769
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
Also ListedInternal Medicine · Adult Congenital Heart DiseaseTaxonomy 207RA0002X · License 274381 (MA)
8260 WILLOW OAKS CORPORATE DR, Fairfax, VA 22031

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

David J Harrison Md 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 ID9931501376
PECOS Enrollment IDI20250729000023, I20250807000148
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.

Medicare Billing Reassignments

3

Medicare enrollment records show David Harrison reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
3300 GALLOWS RD, PHYSICIAN SERVICES
Falls Church, VA 22042
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • Also billed through NPI 1588717755 (Virginia)
  • 2,618 clinicians in this Medicare group
Rehabilitation, Substance Use Disorder
24 RAILROAD ST
Keene, NH 03431
  • Reassigned Medicare billing, New Hampshire enrollment
  • 2,999 clinicians in this Medicare group
General Acute Care Hospital
ONE MEDICAL CENTER DR
Lebanon, NH 03756
  • Reassigned Medicare billing, New Hampshire enrollment
  • 2,620 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 6

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

Psychologist (School)
8260 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Nurse Practitioner (Family)
8260 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Psychologist (School)
8260 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Nurse Practitioner (Family)
8260 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031
Home Health
8260 WILLOW OAKS CORPORATE DR, SUITE 120
FAIRFAX, VA 22031
Nurse Practitioner
8260 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031

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 David Harrison's NPI number?

The NPI number for David Harrison is 1073043808. It was assigned to this individual provider in the NPPES registry on June 14, 2017.

Where is David Harrison located?

David Harrison practices at 8260 Willow Oaks Corporate Dr, Fairfax, VA 22031. The listed phone number is (703) 573-0504.

What is David Harrison's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is David Harrison enrolled in Medicare?

Yes. David Harrison is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for David Harrison's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Harrison reassigns Medicare benefits to 3 organizations: Inova Health Care Services (Falls Church, VA), Dartmouth-Hitchcock Clinic (Keene, NH) and Mary Hitchcock Memorial Hospital (Lebanon, NH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Harrison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Harrison accept?

Health plans from Oscar Health list David Harrison as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is David Harrison affiliated with any hospitals?

According to CMS data, David Harrison is affiliated with Inova Fairfax Hospital.

When was this NPI record last updated?

The NPPES record for David Harrison was last updated on December 3, 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.