NPPES file of Aug 9, 2026

Natalia Castro, FNP

Family Nurse Practitioner · Fairfax, VA

Natalia Castro, FNP is a family nurse practitioner with a practice address in Fairfax, Virginia, and NPI 1013534106, issued on Jul 6, 2020. Check the license (Virginia 0024179639, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013534106
Name
Natalia Castro
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
0024179639 VA
Self-reported in NPPES; status is on the state search
Practice location
12817 Hamlet Hill Way, Fairfax, VA 22030
Phone
(703) 963-9033
Enumerated
Jul 6, 2020
Record last updated
Jul 6, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20201014003442); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Natalia Castro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this profession
    Search for license 0024179639
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Virginia license search

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96% fewer Medicare Part D claims than the average family nurse practitioner in 2024

53 Medicare Part D claims for 28 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 23 claims were for opioids.

  1. Natalia Castro53
  2. Specialty average1,305

Most prescribed

  1. Hydrocodone-Acetaminophen15 claims
  2. Cephalexin14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 3 group practices

  1. Orthovirginia IncAlexandria, VA
  2. Privia Medical Group, LLCLanham, MD
  3. Town Center Orthopaedic Associates P CReston, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Natalia Castro among 6,474 family nurse practitioner records in Virginia

Natalia Castro, 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 2020, is newer than 60% of them.

  • NPI issued2020 · 60% of these records are older, 33% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2020 · median 2019 among the 3,833 with a school on file
  • Record last updated2020 · 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.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Darla Anderson, NPFairfax, VA 220301487644886
  2. Katherine Bartholomay, FNP-BCFairfax, VA 220301194905653
  3. Juliana Choi, NPFairfax, VA 220301336178516
  4. Robin Durr, FNP-BCFairfax, VA 220301912146226
  5. Neely Frederick, NP-CFairfax, VA 220301275924433
  6. Joan Gaber, CFNPFairfax, VA 220301811022650
  7. Karen Gallagher, FNPFairfax, VA 220301497858427
  8. Jessica Hardy, FNP-BCFairfax, VA 220301871823948

Common questions

What is Natalia Castro, FNP's NPI number?

Natalia Castro, FNP's National Provider Identifier (NPI) is 1013534106, issued on Jul 6, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Natalia Castro, FNP located?

The NPPES record lists a practice address at 12817 Hamlet Hill Way, Fairfax, VA, 22030. Phone: (703) 963-9033. Providers update this record themselves, so call before visiting.

How can I verify Natalia Castro, FNP's license?

NPPES lists Virginia license number 0024179639, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.

How much does Natalia Castro, FNP prescribe under Medicare Part D?

In 2024, Natalia Castro, FNP had 53 Medicare Part D claims for 28 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.