Marc Delaney, MD
NPI 1275067514 · Pediatric Cardiology Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Delaney, MD is a Pediatric Cardiology Physician provider in Fairfax, VA (NPI 1275067514).
Provider details
- NPI number
- 1275067514
- Entity type
- Individual
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101286415 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-13
- Last updated
- 2025-10-28
- Certified
- 2025-10-28
Frequently asked questions
- What is Marc Delaney's NPI number?
- Marc Delaney's National Provider Identifier (NPI) is 1275067514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Delaney's specialty?
- Marc Delaney is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Delaney located?
- Marc Delaney's practice location on file with NPPES is 8260 Willow Oaks Corporate Dr Ste 400, Fairfax, VA 22031-4513.
- What is Marc Delaney's phone number?
- The practice phone number listed in the NPPES registry for Marc Delaney is (703) 573-0504.
- Does Marc Delaney accept Medicare?
- Marc Delaney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Delaney's NPI active?
- Yes — Marc Delaney's NPI (1275067514) is active in the NPPES registry as of the last update on 2025-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.