Karen J. Gallagher, FNP
Family Nurse Practitioner · Fairfax, VA
Karen J. Gallagher, FNP is a family nurse practitioner with a practice address in Fairfax, Virginia, and NPI 1497858427, issued on Sep 6, 2006. Check the license (Virginia 0024111104, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen J. Gallagher
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 0024111104 VA
Self-reported in NPPES; status is on the state search - Practice location
- 4400 University Dr, Fairfax, VA 22030
- Phone
- (703) 993-2848
- Enumerated
- Sep 6, 2006
- Record last updated
- Nov 19, 2025
- Fax
- (703) 993-4365
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 6,474 in Virginia → Look up another NPI →
Also registered at 4400 University Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen J. Gallagher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0024111104Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $394.56
4 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
Karen J. Gallagher among 6,474 family nurse practitioner records in Virginia
Karen J. Gallagher, FNP is one of 6,474 family nurse practitioner records with a practice address in Virginia. 76% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 89% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
238 family nurse practitioner records list a practice address in Fairfax
They are 238 of the 6,584 NPPES records with a practice address in Fairfax, and 6,474 family nurse practitioner records in Virginia.
All 6,474 in Virginia → Every provider in Fairfax → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Darla Anderson, NPFairfax, VA 220301487644886
- Katherine Bartholomay, FNP-BCFairfax, VA 220301194905653
- Juliana Choi, NPFairfax, VA 220301336178516
- Robin Durr, FNP-BCFairfax, VA 220301912146226
- Neely Frederick, NP-CFairfax, VA 220301275924433
- Joan Gaber, CFNPFairfax, VA 220301811022650
- Jessica Hardy, FNP-BCFairfax, VA 220301871823948
- Celestine Jones, CFNPFairfax, VA 220301790893758
Common questions
What is Karen J. Gallagher, FNP's NPI number?
Karen J. Gallagher, FNP's National Provider Identifier (NPI) is 1497858427, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen J. Gallagher, FNP located?
The NPPES record lists a practice address at 4400 University Dr, Fairfax, VA, 22030. Phone: (703) 993-2848. Providers update this record themselves, so call before visiting.
How can I verify Karen J. Gallagher, FNP's license?
NPPES lists Virginia license number 0024111104, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
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.