William C. Kirby, M.D.
Pediatric Cardiology Physician · Fairfax, VA
William C. Kirby, M.D. is a pediatric cardiology physician with a practice address in Fairfax, Virginia, and NPI 1528021755, issued on Apr 10, 2006. Check the license (Virginia 0101039869, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- William C. Kirby
- Credential
- M.D.
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License numbers
- 0101039869 VA
MD10635 DC
D34047 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8318 Arlington Blvd, Fairfax, VA 22031
- Phone
- (703) 876-8410
- Enumerated
- Apr 10, 2006
- Record last updated
- Jul 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (703) 876-8417
- Medicaid IDs
- 006707092 VA
311641700 MD - Medicare enrollment
- Enrolled (PECOS I20060105000505); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1975
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 98 in Virginia → Look up another NPI →
Also registered at 8318 Arlington Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Radha Cohen, M.D.Pediatric Cardiology Physician1700848439
- Frank Galioto, M.D.Pediatric Cardiology Physician1831151067
- Richard Rosenthal, M.D.Allergy & Immunology Physician1942295852
- Lorie Shora, NPFamily Nurse Practitioner1265748255
Verify William C. Kirby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101039869Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 81.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $15.81
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 1,156 providers of this specialty with any payment received $2,864.57 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Inova Health Care ServicesFalls Church, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William C. Kirby among 98 pediatric cardiology physician records in Virginia
William C. Kirby, M.D. is one of 98 pediatric cardiology physician records with a practice address in Virginia. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 52% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated1975 · median 2005 among the 45 with a school on file
- Record last updated2021 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Cardiology Physician providers in Virginia
There are 98 pediatric cardiology physician records in Virginia.
All 98 in Virginia → Every provider in Fairfax → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- Alan Benheim, M.D.Fairfax, VA 220311750369351
- Patrick Callahan, M.D.Fairfax, VA 220311487616082
- Sarah Chambers Gurson, M.D.Fairfax, VA 220311518018076
- Radha Cohen, M.D.Fairfax, VA 220311700848439
- Frank Galioto, M.D.Fairfax, VA 220311831151067
- Seymour Hepner, M.D.Fairfax, VA 220311407834005
- Jared Hershenson, MDFairfax, VA 220311467598458
- Sharon Karr, M.D.Fairfax, VA 220311609854207
Common questions
What is William C. Kirby, M.D.'s NPI number?
William C. Kirby, M.D.'s National Provider Identifier (NPI) is 1528021755, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William C. Kirby, M.D. located?
The NPPES record lists a practice address at 8318 Arlington Blvd, Fairfax, VA, 22031. Phone: (703) 876-8410. Providers update this record themselves, so call before visiting.
How can I verify William C. Kirby, M.D.'s license?
NPPES lists Virginia license number 0101039869, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is William C. Kirby, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.